CN102006268A - Method, equipment and system for switching main interface and standby interface - Google Patents

Abstract

The embodiment of the invention discloses a master-standby interface switching method, equipment and system, which are applied in the technical field of communication. In the active-standby interface switching in the embodiment of the present invention, since the active and standby physical network ports are bound with different addresses for user data protocol communication with the opposite end, user data protocol communication is performed between the active physical network port and the opposite end At the same time, the standby physical network port can detect the quality of the communication network with the opposite end, so that when the management device decides whether to switch between the active and standby interfaces, it can determine the quality of the user data protocol communication network between the standby physical network port and the opposite end. It is decided that the management device confirms the switching of the active and standby interfaces when the quality is good, which improves the reliability of the user data protocol communication between the active physical network port and the peer end after the active and standby interfaces are switched.

Description

Active-standby interface switching method, device and system

technical field

The invention relates to the technical field of communications, in particular to a method, device and system for switching between active and standby interfaces.

Background technique

In the current communication field, physical network ports (FE) are used to transmit UDP packets between devices based on User Data Protocol (UDP). There are active and standby physical network ports on UDP devices (that is, the active physical network Network port FE2), their corresponding media access (MAC) layer addresses are different, in general, only FE1 communicates with the peer end through the network protocol (IP) address and FE1's own MAC layer address; FE1 communicates with the peer end After the network fails, FE2 switches to the active interface, and communicates with the peer end through the IP address and FE2's own MAC layer address.

The active and standby physical network ports in the UDP device are respectively connected to two switched Ethernet hubs (LANSWITCH, L) such as the relevant interfaces of L1 and L2. The IP address and the MAC layer address of FE1 are stored on L1. The link between L1 and L2 They are connected through a virtual LAN path (VLAN TRUNK). When FE1 finds that the communication network with the opposite end fails, it sends a request message to the management device in the system to request the switchover of the active and standby physical network ports. When FE1 receives the switchover confirmation message returned by the management device, it Switching means that FE1 will be switched to the standby physical network port, and FE2 will be switched to the active physical network port. At the same time, L1 connected to FE1 will pass through the virtual LAN path, and use the Virtual Routing Redundancy Protocol (VRRP) to send and receive UDP packets. The operation is switched to L2, and the IP address is saved on L2, and the IP address is the same as the IP address saved on L1 before switching. In this way, after the active/standby interface is switched, FE2 can communicate with the peer through UDP.

In the process of practicing and researching the above-mentioned prior art, the inventors of the present invention have found that:

In the existing active/standby interface switchover, after receiving the request message, the management device decides whether to switch between the active/standby physical network ports according to its preset information and the conditions of the device where the active/standby interface is located. In this way, if After switching, the network between the main network port FE2 and the peer end for UDP transmission is unstable, which will make the transmission of UDP in the switched network unreliable.

Contents of the invention

The master-standby interface switching method, device and system provided by the embodiments of the present invention improve the reliability of sending and receiving UDP messages.

A method for switching between active and standby interfaces provided by an embodiment of the present invention includes:

Receive the request message sent by the active physical network port, and request to switch between the active and standby physical network ports;

Obtain the quality information of the user data protocol UDP communication between the standby physical network port and the opposite end;

If it is determined that the quality information meets the preset requirements, a switching confirmation message is returned to the active physical network port to switch between the active and standby physical network ports.

Another master/standby interface switching method provided by an embodiment of the present invention includes:

It is determined that the network between the active physical network port and the opposite end for user data protocol UDP communication fails, and a request message is sent to the management device to request switching of the active and standby physical network ports;

Receiving the switching confirmation message returned by the management device after the user data protocol UDP communication quality information between the standby physical network port and the opposite end meets the preset requirements, and switching between the active and standby physical network ports.

Another method for switching between active and standby interfaces provided by an embodiment of the present invention includes:

Use the address of the standby physical network port and the opposite end to carry out the user data protocol UDP communication, and the alternate medium access layer address, and detect the quality information of the user equipment protocol UDP communication between the standby physical network port and the opposite end;

Reporting the quality information to the management device, so that the management device determines whether the switch between the main and standby physical network ports can be performed according to the quality information after receiving the request for switching the main and standby physical network ports;

According to the switching confirmation message returned by the management device according to the quality information, the switching of the active and standby physical network ports is performed.

A management device provided by an embodiment of the present invention includes:

The request message receiving unit is used to receive the request message sent by the active physical network port, and request to switch between the active and standby physical network ports;

The quality information obtaining unit is used to obtain the quality information of the user data protocol UDP communication between the standby physical network port and the opposite end;

The switching returning unit is configured to return a switching confirmation message to the active physical network port to switch between the active and standby physical network ports when it is determined that the quality information obtained by the quality information obtaining unit meets the preset requirements.

A user data protocol-based device provided in an embodiment of the present invention includes:

The determining sending unit is used to determine that the network between the active physical network port and the opposite end for user data protocol UDP communication fails, and sends a request message to the management device to request switching of the active and standby physical network ports;

The receiving processing unit is used to receive the switching confirmation message returned by the management device after the user data protocol UDP communication quality information of the standby physical network port and the opposite end meets the preset requirements, and switch between the active and standby physical network ports.

Another user data protocol-based device provided by an embodiment of the present invention includes:

The second detection unit is used to use the spare physical network port and the address of the peer to perform user data protocol UDP communication, and the spare media access layer address to detect the quality information of the spare physical network port and the peer to perform user equipment protocol UDP communication ;

The second reporting unit is configured to report the quality information detected by the second detection unit to the management device, so that the management device receives the request to switch the active and standby physical network ports according to the quality information Determine whether it is possible to switch between the active and standby physical network ports;

The switching unit is configured to switch the active and standby physical network ports according to the switching confirmation message returned by the management device according to the quality information reported by the second reporting unit.

An active/standby interface switching system provided by an embodiment of the present invention includes: a management device and a device based on a user data protocol, wherein the device based on a user data protocol includes an active physical network port;

The device based on the user data protocol is used to determine that the network where the active physical network port and the opposite end perform user data protocol UDP communication fails, and sends a request message to the management device to request switching of the active and standby physical network ports; The management device switches the active and standby physical network ports according to the switching confirmation message returned by the request message;

The management device is used to receive the request message sent by the active physical network port in the device based on the user data protocol, and request to switch the active and standby physical network ports; obtain the standby physical network port and perform the user data protocol UDP on the opposite end Communication quality information; if the quality information meets the preset requirements, return a switching confirmation message to the main physical network port of the device based on the user data protocol.

An active-standby interface switching system provided by an embodiment of the present invention includes: a management device, a user data protocol-based active device, and a user data protocol-based standby device, and the user data Network port, the backup device based on the user data protocol includes a backup physical network port;

The primary device based on the user data protocol is used to determine that the network between the primary physical network port and the opposite end for user data protocol UDP communication fails, and sends a request message to the management device to request switching of the primary and backup physical network ports; Receiving the switching confirmation message returned by the management device according to the request message, binding the address of the standby physical network port and the opposite end for user data protocol UDP communication with the active physical network port, and sending the user data protocol based address to the active physical network port. The standby physical network port on the standby device requests to switch the standby physical network port to the active physical network port;

The management device is configured to receive a request message sent by the active physical network port of the active device based on the user data protocol, and request to switch between the active and standby physical network ports; obtain the standby physical network port from the standby device based on the user data protocol. The quality information of the user data protocol UDP communication between the network port and the opposite end; if the quality information meets the preset requirements, return a switching confirmation message to the main physical network port in the main device based on the user data protocol;

The user data protocol-based backup device is configured to receive a request from the user data protocol-based master device to switch the backup physical network port to the master physical network port; The address for UDP communication with the peer end, bound to the standby physical network port.

In the active-standby interface switching in the embodiment of the present invention, since the active and standby physical network ports are bound with different addresses for user data protocol communication with the opposite end, user data protocol communication is performed between the active physical network port and the opposite end At the same time, the standby physical network port can detect the quality of the communication network with the opposite end, so that when the management device decides whether to switch between the active and standby interfaces, it can determine the quality of the user data protocol communication network between the standby physical network port and the opposite end. It is decided that the management device confirms the switching of the active and standby interfaces when the quality is good, which improves the reliability of the user data protocol communication between the active physical network port and the peer end after the active and standby interfaces are switched.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained according to these drawings without any creative effort.

Fig. 1 is the flow chart of the method for switching between active and standby interfaces provided by an embodiment of the present invention;

Fig. 2 is a flow chart of the method for switching the active/standby interface provided by the first method embodiment of the present invention;

Fig. 3 is a flow chart of the method for switching between active and standby interfaces provided by the second method embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a management device provided by Embodiment 1 of the device of the present invention;

FIG. 5 is a schematic structural diagram of a device based on a user data protocol provided in Embodiment 2 of the device of the present invention;

FIG. 6 is a schematic structural diagram of a device based on a user data protocol provided in Embodiment 3 of the device of the present invention;

Fig. 7 is a schematic structural diagram of the master-standby interface switching system provided by the first system embodiment of the present invention;

Fig. 8 is a schematic structural diagram of the master-standby interface switching system provided by the second system embodiment of the present invention.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

In the embodiment of the present invention, when the active physical network port uses the active IP address and the active MAC layer address to perform UDP communication with the opposite end, the standby physical network port uses the standby IP address and the standby MAC layer address to detect and communicate with the opposite end. Quality information for UDP communication. Thus, the reliability of sending and receiving UDP packets is improved.

A method for switching between active and standby interfaces, the flowchart of which is shown in Figure 1, comprising:

Step 10, the management device receives the request message sent by the active physical network port, and requests to switch between the active and standby physical network ports;

Step 20, the management device obtains the quality information of the user data protocol UDP communication between the standby physical network port and the opposite end;

It can be understood that the management device can request the device where the standby physical network port is located to obtain the quality information of the user data protocol UDP communication between the standby physical network port and the peer end, or it can be that the device where the standby physical network port is located detects that the standby physical network port and the peer end The quality information of UDP communication is actively reported to the management device. And the quality information here includes one or more of the following information: information one-way delay, packet loss rate, jitter time and so on.

Step 30: If it is determined that the quality information meets the preset requirements, the management device returns a switching confirmation message to the active physical network port to switch the active and standby physical network ports.

The preset requirements here include one or more of the following: information one-way delay cannot be greater than the first threshold; packet loss rate cannot be greater than the second threshold; jitter time cannot be greater than the third threshold and so on. When determining that the quality information meets the preset requirements, specifically, the quality information is compared with a threshold corresponding to the corresponding quality information in the preset requirements, and determined through the comparison result. It can be understood that when obtaining quality information, it needs to be obtained according to the preset requirements in the device. If the preset requirement is that the information one-way delay cannot be greater than the first threshold, then only the information one-way delay can be obtained when acquiring quality information. , and when it is determined that the preset requirement is met, the one-way delay is compared with the first threshold, and if the comparison result is less than, the preset requirement is met.

Method embodiment one

A method for switching between active and standby interfaces. In this embodiment, the active and standby physical network ports are on the same device, assuming that it is a UDP device, and the active and standby physical network ports in the UDP device are respectively connected to different transfer devices LI and L2. The process The diagram is shown in Figure 2, including:

Step 101, the UDP device determines that the network where the active physical network port and the opposite end perform user data protocol UDP communication fails, and sends a request message to the management device to request switching of the active and standby physical network ports;

The active physical network port of the UDP device can use the active IP address IP_A1 and the active MAC layer address M1 to communicate with the peer through UDP, and the devices LI and L2 connected to the active and standby physical network ports of the UDP device respectively save the active and standby physical networks. The corresponding relationship between the IP address of the port and the MAC layer address, for example, L1 stores the primary IP address IP_A1 and the primary MAC layer address M1 of the primary physical network port, and L2 stores the standby IP address IP_A2 and Standby MAC layer address M2. When L1 receives the UDP packet, it queries M1 through the destination address IP_A1 of the UDP packet, and sends the UDP packet to the corresponding primary physical network port of M1.

The spare physical network port in the UDP device uses the address of the spare physical network port and the opposite end for user data protocol UDP communication, such as the spare IP address IP_A2, and the spare media access layer address M2, through the address resolution protocol (ARP) detection method and the ping packet method Detect the quality information of UDP communication between the standby physical network port and the peer. For example, the standby physical network port in the UDP device can send ARP detection packets or ping packets to the peer within a certain period, and record the time when the peer returns a response. It can be understood that the UDP device can report the quality information to the management device to determine whether it is possible to switch between the active and standby physical network ports. The quality information here includes one or more of the following: information one-way delay, packet loss rate, and jitter time. The quality information can be specifically shown in Table 1, but this table is only an example for illustration, and does not limit the present invention.

network level One-way delay (ms) Packet loss rate Jitter(ms) good 0～40 0～0.1% 0～10 Poor 40～100 0.1%～1% 10～20 Bad 100～400 1%～5% 20～60

Table 1

It is determined that the fault occurs on the network where the active physical network port communicates with the peer through UDP. Specifically, it can be that the response message from the peer cannot be received within a certain period of time, or that UDP packets cannot be sent, or that the active physical network port communicates with the peer. The network quality information for UDP communication shows that the network quality is poor or poor. It can be understood that the network quality information includes one or more of the following as described in the above table: information one-way delay, packet loss rate and jitter time. When one of the above information does not meet the preset threshold (for example, the one-way delay exceeds 400ms, the packet loss rate exceeds 5%, or the jitter exceeds 60ms), it can be considered that there is a network failure.

Step 102, the management device obtains the quality information of the user data protocol UDP communication between the standby physical network port and the opposite end;

It can be understood that the management device can send a request message to the device where the standby physical network port is located, such as a UDP device, to request to obtain the quality information of the UDP communication between the standby physical network port and the peer end, or the receiving UDP device can detect the standby physical network port Quality information actively reported to the management device after performing UDP communication quality information with the peer end.

Step 103: If it is determined that the quality information meets the preset requirements, the management device returns a switching confirmation message to the active physical network port to switch between the active and standby physical network ports; of course, if the requirements are not met, the management device does not allow the active Switching of the standby physical network port;

The preset requirements here include one or more of the following: the one-way delay of information cannot be greater than the first threshold, (for example, 100ms); the packet loss rate cannot be greater than the second threshold (for example, 1%); the jitter cannot be greater than the third threshold Threshold (for example, 20ms) and so on.

Step 104: The UDP device receives the switching confirmation message returned by the management device after the quality information of the UDP communication between the standby physical network port and the opposite end meets the preset requirements, and performs the switching of the active and standby physical network ports.

The switching of the active and standby physical network ports can specifically be: bind the address of the standby physical network port and the opposite end for user data protocol UDP communication with the active physical network port, and bind the active physical network port and the opposite end for user data communication. The address of the protocol UDP communication is bound to the standby physical network port; and a notification message, such as a broadcast message, can be further sent, and the notification message is used to request to update the corresponding relationship between the address of the user data protocol communication and the physical network port.

It should be noted that if the active and standby FE physical network ports are not on the same device, assuming that the device where the active physical network port is located is a UDP1 device, and the device where the standby physical network port is located is a UDP2 device, then the UDP1 device receiving management device is on The switching confirmation message returned after the quality information of UDP communication between the standby physical network port and the opposite end meets the preset requirements. The switching of the active and standby physical network ports can be performed as follows: the standby physical network port and the opposite end perform user data protocol UDP The communication address is bound to the active physical network port; request to the device where the standby physical network port is located to switch the standby physical network port to the active physical network port; and can further send a notification message, such as a broadcast message, the The above notification message is used to request to update the corresponding relationship between the user data protocol communication address and the physical network port.

The UDP device binds the standby physical network port and the address of the peer for UDP communication with the primary physical network port. For example, the UDP device can bind IP_A2 to M1; the primary physical network port and the peer The address for user data protocol UDP communication is bound to the standby physical network port, for example, it can be realized by binding IP_A1 and M2 of the UDP device. And through a notification message, such as a broadcast message (such as an ARP message) sent to the equipment in the local network segment such as L1 and L2, requesting the equipment in the local network segment to update the corresponding relationship between the address for UDP communication and the physical network port. In this way, the active physical network port in the UDP device will be switched to the standby physical network port; the standby physical network port will be switched to the active physical network port, and the IP address for UDP communication with the peer end will not change. change.

Step 105, L1 and L2 receive notification messages, such as broadcast messages, respectively update the corresponding relationship between their saved IP addresses and MAC layer addresses, and notify L2 and L1 of the IP address changes through the dynamic routing protocol (OSPF).

It can be understood that after receiving a notification message, such as a broadcast message, L1 updates the correspondence between the primary IP address and the primary MAC layer address to IP_A2 corresponding to M1; after receiving the notification message, such as a broadcast message, L2 updates the backup IP address and the backup MAC The corresponding relationship of layer addresses is updated to be that IP_A1 corresponds to M2. In this way, L1 switches the operation of sending and receiving UDP messages to L2 through the OSPF protocol. Compared with the operation switching through the VRRP protocol in the prior art, it avoids the regulation of the VRRP protocol itself, such as sending a VRRP protocol message every second by default. and other defects.

Through the above steps, when the UDP communication network between the active physical network port and the opposite end fails, after switching the active and standby physical network ports, when the opposite end sends UDP packets, it is connected to the active physical network port FE2 after switching The device L2 receives the destination address IP_A1 of the UDP message, queries the corresponding relationship between the address for UDP communication and the physical network port to M2, and sends the UDP message to the primary physical network port FE2 of the UDP device.

In the active-standby interface switching in the embodiment of the present invention, since the active and standby physical network ports are bound with different addresses for user data protocol communication with the opposite end, user data protocol communication is performed between the active physical network port and the opposite end At the same time, the standby physical network port can detect the quality information of the communication network with the opposite end, so that when the management device decides whether to switch between the active and standby interfaces, it can perform user data protocol communication network quality with the opposite end based on the standby physical network port. When the quality is good, the management device confirms the switching of the active and standby interfaces, which improves the reliability of the user data protocol communication between the active physical network port and the peer end after the active and standby interfaces are switched.

Method embodiment two

A method for switching between active and standby interfaces. In this embodiment, the active and standby FE physical network ports are not on the same device, assuming that they are UDP1 devices and UDP2 devices, and the active and standby physical network ports are respectively connected to different transit devices LI and L2. The flowchart is shown in Figure 3, including:

Step 201, the UDP1 device determines that the network where the active physical network port communicates with the opposite end through UDP fails, and sends a request message to the management device to request switching of the active and standby physical network ports;

The primary physical network port of the UDP1 device can use the primary IP address IP_A1 and the primary MAC layer address M1 to perform UDP communication with the peer. The device LI connected to the primary physical network port of the UDP1 device stores the information of the primary physical network port The primary IP address IP_A1 and the primary MAC layer address M1.

The UDP1 device can determine whether there is a network failure in the UDP communication between the main physical network port and the peer end based on the UDP message sent by the peer end. Send a UDP message to confirm the occurrence of a network failure, or confirm whether a network failure occurs based on the network quality of the UDP communication between the active physical network port and the peer end, for example, if the network quality information of the UDP communication between the active physical network port and the peer end If it shows that the network quality is poor or poor, it is considered that a network failure has occurred. It can be understood that the network quality information here includes one or more of the following as in the foregoing embodiments: information one-way delay, packet loss rate, and jitter time. When one of the above information does not meet the preset threshold (for example, the one-way delay exceeds 400ms, the packet loss rate exceeds 5%, or the jitter exceeds 60ms), it can be considered that there is a network fault.

Step 202, the UDP2 device uses the spare physical network port and the address of the user data protocol UDP communication of the peer end, and the spare media access layer address, and detects the quality information of the user equipment protocol communication between the spare physical network port and the peer end;

The backup physical network port in the UDP2 device can use the backup IP address IP_A2 and the backup MAC layer address M2 to detect the quality information of UDP communication between the backup physical network port and the peer end through the ARP detection method and the ping packet method, such as the backup physical network port in the UDP device The port can send ARP detection packets or ping packets to the peer within a certain period, and record the time when the peer returns a response. It can be understood that the UDP2 device can report the detected quality information to the management device timely or periodically, so that the management device can determine whether to It can switch between active and standby physical network ports. It is also possible to return a request response including the detection result to the management device after receiving the request message of the quality information of the management device.

The device L2 connected to the backup physical network port in the UDP2 device stores the backup IP address IP_A2 and the backup MAC layer address M2 of the backup physical network port.

Step 203, the management device receives the request message sent by the main physical network port, and obtains the quality information of the user data protocol UDP communication between the standby physical network port and the opposite end; Return the switching confirmation message to switch the active and standby physical network ports; if the requirements are not met, the management device does not allow the switching of the active and standby physical network ports;

The specific implementation method in this step, for example, the relevant content of the quality information and the judgment whether it meets the preset requirements are as described in the first method embodiment, and will not be repeated here.

Step 204, the active physical network port in the UDP1 device receives the switching confirmation message, and switches the active and standby physical network ports according to the switching confirmation message. The switching of the main and standby physical network ports can be specifically: the address of the standby physical network port and the opposite end for user data protocol UDP communication is bound to the active physical network port, and further notification messages can be sent, such as broadcasting message, requesting to update the corresponding relationship between the address of the user data protocol communication and the physical network port; and the UDP1 device requests to the device where the standby physical network port is located, namely UDP2, to switch the standby physical network port to the active physical network port;

The UDP1 device binds the standby physical network port and the address of the user data protocol UDP communication of the opposite end to the active physical network port. For example, it can be realized by binding the UDP1 device to IP_A2 and M1, and further notification messages can be passed, such as The broadcast message is specifically (for example, sent by an ARP message) sent to a device on the local network segment such as L1, requesting to update the corresponding relationship between the address for UDP communication and the physical network port.

Step 205, the UDP2 device receives the request sent by the device where the active physical network port is located, that is, the UDP1 device, to switch the standby physical network port to the active physical network port; The backup physical network port is bound; and further notification messages can be sent, such as broadcast messages, requesting to update the corresponding relationship between the address for user data protocol communication and the physical network port;

The UDP2 device binds IP_A1 and M2, and sends a notification message, such as a broadcast message (specifically, an ARP message) to a device in the network segment such as L2, requesting to update the corresponding relationship between the address for UDP communication and the physical network port.

In this way, the active physical network port in the UDP device is switched to the standby port; the standby physical network port is switched to the active port, and the IP address for UDP communication with the peer end remains unchanged, and no changes are required to other devices.

Step 206, L1 and L2 respectively receive notification messages sent by UDP1 and UDP2 devices, such as broadcast messages, respectively update their saved IP addresses and MAC layer addresses, and notify L2 of changes in IP addresses through the dynamic routing protocol (OSPF) and L1.

Through the above steps, when the UDP communication network between the active physical network port and the opposite end fails, after the active and standby physical network ports are switched, when the opposite end sends a UDP packet, the physical network port FE2 of the active active port after switching The connected device L2 receives the destination address IP_A1 of the UDP message, queries the corresponding relationship between the address for UDP communication and the physical network port to M2, and sends the UDP message to the main physical network port FE2 of the UDP device.

In the active-standby interface switching in the embodiment of the present invention, since the active and standby physical network ports are bound with different addresses for user data protocol communication with the opposite end, user data protocol communication is performed between the active physical network port and the opposite end At the same time, the standby physical network port can detect the quality of the communication network with the opposite end, so that when the management device decides whether to switch between the active and standby interfaces, it can determine the quality of the user data protocol communication network between the standby physical network port and the opposite end. It is decided that the management device confirms the switching of the active and standby interfaces when the quality is good, which improves the reliability of the user data protocol communication between the active physical network port and the peer end after the active and standby interfaces are switched.

Equipment embodiment one

A management device, for example, can be a separate computer, a single board, or a corresponding server in the network. The schematic diagram of the management device is shown in Figure 4, including:

The request message receiving unit 10 is used to receive the request message sent by the active physical network port, and request to switch the active and standby physical network ports;

Quality information obtaining unit 11, for after described request message receiving unit 10 receives request message, obtains the quality information that standby physical network port and opposite end carry out User Data Protocol UDP communication;

Specifically, the quality information obtaining unit 11 may send a request message to the device where the standby physical network port is located, such as a UDP device, to request to obtain the quality information of UDP communication between the standby physical network port and the opposite end, or receive UDP The quality information that the device actively reports to the management device after detecting the quality information of UDP communication between the standby physical network port and the peer end.

The handover return unit 12 is configured to return a handover confirmation message to the active physical network port to switch the active and standby physical network ports if it is determined that the quality information obtained by the quality information obtaining unit 11 meets the preset requirements. The specific way of judging whether the preset requirement is met is the same as that of the foregoing embodiment, and will not be repeated here.

It should be noted that in the above implementation of the management device, the division of each functional module is only an example. In practical applications, the above functions can be allocated by Different functional modules are completed, that is, the internal structure of the user data protocol-based device is divided into different functional modules, so as to complete all or part of the functions described above. Moreover, in practical applications, the corresponding functional modules in this embodiment may be implemented by corresponding hardware, and may also be completed by corresponding hardware executing corresponding software. For example, the aforementioned request message receiving unit 10 may be a hardware, such as general receivers, antennas, wireless receiving devices, and wired receiving devices; the switching return unit 12 can be a specific processor capable of performing the aforementioned functions, or it can be capable of executing corresponding computer programs to complete the aforementioned functions General processor, or other hardware devices.

In the embodiment of the present invention, since the active and standby physical network ports are bound with different addresses for user data protocol communication with the peer end, the standby physical network port communicates with the peer end while performing user data protocol communication. The network port can detect the quality of the communication network with the opposite end, so that when the switching return unit 12 of the management device needs to switch between the active and standby interfaces, it can determine according to the quality of the user data protocol communication network between the standby physical network port and the opposite end. It is decided that the management device confirms the switching of the active and standby interfaces when the quality is good, which improves the reliability of the user data protocol communication between the active physical network port and the peer end after the active and standby interfaces are switched.

Equipment embodiment two

A device 2 based on user data protocol, for example, can be a UDP device, as shown in Figure 5, including:

Determine the sending unit 20, which is used to determine that the network where the active physical network port and the opposite end perform user data protocol UDP communication fails, and send a request message to the management device to request switching of the active and standby physical network ports;

It is determined that the sending unit 20 has a failure in the network where it is determined that the main physical network port and the opposite end perform user data protocol UDP communication. Determine if the network quality of the UDP communication between the physical network port and the peer end does not meet the preset requirements. The specific judgment method here is the same as the judgment method in the method embodiment, and will not be repeated here.

The receiving processing unit 21 is used to receive the switching confirmation message returned by the management device after the quality information of the user data protocol UDP communication between the standby physical network port and the opposite end meets the preset requirements, and perform the switching of the active and standby physical network ports;

The switching of the active and standby physical network ports can specifically be as follows: the address of the standby physical network port and the opposite end for user data protocol UDP communication is bound to the active physical network port; the active physical network port and the opposite end are The user data protocol UDP communication address is bound to the backup physical network port, or requests the device where the backup physical network port is located to switch the backup physical network port to the active physical network port. And can further send a notification message, such as a broadcast message, requesting to update the corresponding relationship between the address of the user data protocol communication and the physical network port. A specific example can be to send an ARP message to a device on the network segment such as L2, requesting an update The corresponding relationship between the address for UDP communication and the physical network port. The management device may determine whether the quality information of UDP communication between the standby physical network port and the opposite end meets the preset requirements after receiving the request sent by the determining sending unit 20 . It can also be determined at other times whether the quality information of the user data protocol UDP communication between the standby physical network port and the opposite end meets the preset requirements, which is not limited in this embodiment of the present invention.

In another specific embodiment, the device based on the user data protocol may further include: a first switching request receiving unit 22 on the basis of the above-mentioned embodiments, configured to receive the request sent by the device where the active physical network port is located, A request for switching the standby physical network port to the active physical network port; the first binding processing unit 23 is used to combine the active physical network port with the pair after the first switching request receiving unit 22 receives the request The address for user data protocol UDP communication on the terminal is bound to the standby physical network port, and a notification message, such as a broadcast message, is requested to update the corresponding relationship between the address for user data protocol communication and the physical network port. A specific example can be Send the ARP message to the device on this network segment, such as L2, and request to update the corresponding relationship between the address for UDP communication and the physical network port.

In yet another specific embodiment, on the basis of the foregoing embodiments, the device based on the user data protocol may further include: a first detection unit 24, configured to use the standby physical network port and the opposite end to perform user data The address of the protocol UDP communication, and the address of the backup medium access layer, detect the quality information of the user equipment protocol UDP communication between the backup physical network port and the opposite end; the first reporting unit 25 is used to detect the first detection unit 24 Report the quality information to the management device to determine whether the switch between the active and standby physical network ports can be performed. It can be understood that the first reporting unit 25 can report directly, or can obtain the quality information after receiving the request sent by the management device. After the news, report again.

It should be noted that in the above implementations of user data protocol-based devices, the division of each functional module is only an example. In actual applications, it can be considered according to needs, such as the configuration requirements of corresponding hardware or the convenience of software implementation. The above function allocation is accomplished by different functional modules, that is, the internal structure of the user data protocol-based device is divided into different functional modules to complete all or part of the functions described above. Moreover, in practical applications, the corresponding functional modules in this embodiment can be implemented by corresponding hardware, or can be completed by corresponding hardware executing corresponding software. For example, the aforementioned determination sending unit 20 can be a Hardware, such as a detector or a processor with this specific function, or a general processor capable of executing a corresponding computer program to complete the foregoing functions; the receiving processing unit 21 may be a specific processor capable of performing the foregoing functions, or may be a processor capable of executing A general processor or other hardware device with corresponding computer programs to complete the aforementioned functions.

In the above-mentioned embodiments in which the device 2 based on the user data protocol switches between the active and standby interfaces, since the active and standby physical network ports are bound with different addresses for performing user data protocol communication with the opposite end, the active physical network port and the While the opposite end is performing user data protocol communication, the standby physical network port can detect the quality of the communication network with the opposite end, and when it is determined that the sending unit 20 finds that the network for UDP communication between the main physical network port and the opposite end fails, a request message is sent , when the receiving processing unit 21 receives the switching confirmation message, it performs the switching of the active and standby physical network ports, so that the management device can perform user data protocol with the opposite end according to the standby physical network port when deciding whether to switch between the active and standby interfaces. The quality of the communication network depends on the quality of the communication network. If the quality is good, the management device confirms the switching of the active and standby interfaces. This improves the reliability of the user data protocol communication between the active physical network port and the peer end after the active and standby interfaces are switched.

Equipment embodiment three

A device 3 based on a user data protocol, for example, can be a UDP device. The general structural diagram of the device is shown in Figure 6, including:

The second detection unit 30 is used to use the spare physical network port and the opposite end to carry out the user data protocol UDP communication address, and the spare media access layer address, and detect the quality of the user equipment protocol UDP communication between the spare physical network port and the opposite end information; the specific detection method is the same as the method embodiment above.

The second reporting unit 31 is configured to report the quality information detected by the second detection unit 30 to the management device, so that the management device receives a request to switch the active and standby physical network ports according to the The quality information determines whether it is possible to switch between the active and standby physical network ports; it can be understood that the second reporting unit 31 may report directly, or report after receiving a request message from the management device to obtain quality information.

The switching unit 32 is configured to switch the active and standby physical network ports according to the switching confirmation message returned by the management device according to the quality information reported by the second reporting unit 31 .

In a specific example, the switching unit 32 performs the switching of the active and standby physical network ports according to the switching confirmation message returned by the management device according to the quality information reported by the second reporting unit 31. Specifically, it may be as follows:

Bind the address of the standby physical network port and the opposite end for user data protocol UDP communication with the active physical network port; or further bind the address of the active physical network port and the opposite end for user data protocol UDP communication on this basis, Binding to the standby physical network port, or requesting the device where the standby physical network port is located to switch the standby physical network port to the active physical network port.

In another specific example, the switching unit 32 can be further used to send a notification message, such as a broadcast message, to request to update the address of the user data protocol communication and the address of the physical network port on the basis of the foregoing. Correspondence.

In yet another specific embodiment, the switching unit 32 switches the active and standby physical network ports according to the switching confirmation message returned by the management device according to the quality information reported by the second reporting unit 31. Specifically, it may be :

Receive the request sent by the device where the active physical network port is located, and switch the standby physical network port to the active physical network port; exchange the address of the active physical network port and the opposite end for user data protocol UDP communication with the standby physical network port port binding, and can further send a notification message, such as a broadcast message, requesting to update the corresponding relationship between the address for user data protocol communication and the physical network port.

In another specific embodiment, the user data protocol-based device may further include the determination sending unit 20 and the receiving processing unit 21 described in the embodiment of the user data protocol-based device 2 .

In the switching of the backup physical network port of the device 3 based on the user data protocol in this embodiment, since the main and backup physical network ports are bound with different addresses for user data protocol communication with the opposite end, the primary physical network port and the opposite end While the user data protocol communication is performed at the end, the detection unit 32 in the device 3 based on the user data protocol can detect the quality of the backup physical network port and the communication network of the opposite end, so that when the management device decides whether to switch between the active and standby interfaces, It can be determined according to the quality of the user data protocol communication network between the standby physical network port and the opposite end. If the quality is good, the management device confirms the switching between the active and standby interfaces. The reliability of the user data protocol communication performed by the peer.

It should be noted that in the above implementations of user data protocol-based devices, the division of each functional module is only an example. In actual applications, it can be considered according to needs, such as the configuration requirements of corresponding hardware or the convenience of software implementation. The above function allocation is accomplished by different functional modules, that is, the internal structure of the user data protocol-based device is divided into different functional modules to complete all or part of the functions described above. Moreover, in practical applications, the corresponding functional modules in this embodiment can be implemented by corresponding hardware, or can be completed by corresponding hardware executing corresponding software. For example, the aforementioned second detection unit 30 can be a hardware, such as a detector or a processor with the specific function; the switching unit 32 can be a specific processor capable of performing the aforementioned functions, or a general processor capable of executing corresponding computer programs to complete the aforementioned functions, or other switching equipment.

System Embodiment 1

A system for switching between active and standby interfaces, as shown in FIG. 7 , including: a management device 100 and a user data protocol-based device 200, the user data protocol-based device 200 including a primary physical network port;

The user data protocol-based device 200 is used to determine that the network where the primary physical network port communicates with the opposite end using the user data protocol UDP fails, and sends a request message to the management device 100 to request switching of the primary and backup physical network ports; After receiving the switching confirmation message returned by the management device 100 according to the request message, switching between the active and standby physical network ports is performed; the process of performing the switching between the active and standby physical network ports is the same as that of the foregoing device embodiments; and can It is further used to send a notification message, such as a broadcast message, requesting to update the corresponding relationship between the address of the user data protocol communication and the physical network port;

The management device 100 is configured to receive a request message sent by the active physical network port in the user data protocol-based device 200, and request to switch between the active and standby physical network ports; obtain the information of the user data protocol-based device 200 The quality information of the user data protocol UDP communication carried out by the standby physical network port and the opposite end; if the quality information meets the preset requirements, return a switching confirmation message to the main physical network port in the device 200 based on the user data protocol;

When it needs to be explained, the management device 100 in the above system embodiment can be the management devices described in the first device embodiment; the user data protocol-based device 200 can be the second device embodiment or the device embodiment Three embodiments of the various devices described.

System embodiment two

A main-standby interface switching system, in which the main and standby physical network ports are on different devices, the structural diagram is shown in Figure 8, including: a management device 100, a main device 300 based on a user data protocol, and a user data protocol-based The backup device 400 based on the user data protocol, the main device 300 based on the user data protocol includes a main physical network port, and the backup device 400 based on the user data protocol includes a backup physical network port;

The user data protocol-based active device 300 is used to determine that the network between the active physical network port and the opposite end for user data protocol UDP communication fails, and sends a request message to the management device 100, requesting to perform active and standby physical network ports. Handover: after receiving the handover confirmation message returned by the management device 100 according to the request message, bind the address of the standby physical network port and the opposite end to perform user data protocol UDP communication with the active physical network port, and report to the The standby physical network port on the standby device 400 based on the user data protocol requests to switch the standby physical network port to the active physical network port; and can further be used to send a notification message, such as a broadcast message, to request an update for user data protocol communication The corresponding relationship between the address and the physical network port;

The management device 100 is configured to receive a request message sent by the active physical network port in the active device 300 based on the user data protocol, and request to switch between the active and standby physical network ports; obtain the standby network port based on the user data protocol The device 400 and the opposite end perform user data protocol UDP communication quality information; if the quality information meets the preset requirements, return a switching confirmation message to the primary physical network port in the primary device 300 based on the user data protocol;

The user data protocol-based backup device 400 is configured to receive a request from the user data protocol-based master device 300 to switch the backup physical network port to the master physical network port; The address of the network port and the opposite end for user data protocol UDP communication is bound to the standby physical network port, and can be further used to send notification messages, such as broadcast messages, requesting to update the correspondence between the address of user data protocol communication and the physical network port relation.

When it needs to be explained, the management device 100 in the above system embodiment can be the management devices described in the first device embodiment; the user data protocol-based device 300 can be the second device embodiment or the device embodiment Various device embodiments described in the third; the user data protocol-based device 400 may be the various device embodiments described in the foregoing device embodiment two or device embodiment three.

In the above-mentioned main-standby interface switching method, device and system of the embodiments of the present invention, since the main and standby physical network ports are bound with different addresses for performing user data protocol communication with the opposite end, in this way, the main physical network port and the opposite end While performing user data protocol communication, the standby physical network port can detect the quality of the communication network with the peer end, so that the management device can perform user data protocol with the peer end according to the standby physical network port when deciding whether to switch between the active and standby interfaces. The quality of the communication network depends on the quality of the communication network. If the quality is good, the management device confirms the switching of the active and standby interfaces. This improves the reliability of the user data protocol communication between the active physical network port and the peer end after the active and standby interfaces are switched.

Those of ordinary skill in the art can understand that all or part of the steps in the various methods of the above-mentioned embodiments can be completed by instructing related hardware through a program, and the program can be stored in a computer-readable storage medium, and the storage medium can include: Read Only Memory (ROM), Random Access Memory (RAM), Magnetic or Optical Disk, etc.

The above is a detailed introduction to the master-standby interface switching method, equipment and system provided by the embodiment of the present invention. In this paper, specific examples are used to illustrate the principle and implementation of the present invention. The description of the above embodiment is only for helping Understand the method of the present invention and its core idea; at the same time, for those of ordinary skill in the art, according to the idea of the present invention, there will be changes in the specific implementation and scope of application. In summary, the content of this specification is not It should be understood as a limitation of the present invention.

Claims (23)

1. an active and standby interface switching method is characterized in that, comprising:

Receive the main request message that sends with the physics network interface, the switching of active and standby physics network interface is carried out in request;

Obtain the spare physical network interface and carry out the quality information that User Data Protocol UDP communicates by letter with the opposite end;

If determine that described quality information meets the requirement of presetting, return switch acknowledgment message to described master with the physics network interface, to carry out the switching of active and standby physics network interface.

2. the method for claim 1 is characterized in that, described acquisition spare physical network interface and opposite end are carried out the quality information that User Data Protocol UDP communicates by letter and specifically comprised:

Receive the quality information that described spare physical network interface place equipment initiatively reports; Or,

To described spare physical network interface place device request and obtain described quality information.

3. method as claimed in claim 1 or 2 is characterized in that, described quality information comprises one of following at least information: information One Way Delay, packet loss and shake time;

Described quality information meets the requirement of presetting and comprises one of the following at least accordingly: described information One Way Delay can not be greater than first threshold; Described loss rate can not be greater than second threshold value; And described shake can not be greater than the 3rd threshold value.

4. an active and standby interface switching method is characterized in that, comprising:

Determine mainly to carry out the network that User Data Protocol UDP communicates by letter with physics network interface and opposite end and break down, send a request message, ask to carry out the switching of active and standby physics network interface to management equipment;

Receive described management equipment and carry out the quality information that User Data Protocol UDP communicates by letter in spare physical network interface and opposite end and meet the switch acknowledgment message of returning after the requirement of presetting, carry out the switching of active and standby physics network interface.

5. method as claimed in claim 4 is characterized in that, the described switching of carrying out active and standby physics network interface specifically comprises:

The spare physical network interface is carried out the address that User Data Protocol UDP communicates by letter with the opposite end, bind with the physics network interface with main;

Carry out address that User Data Protocol UDP communicate by letter with the physics network interface with the opposite end with main, with described spare physical network interface binding; Or described spare physical network interface is switched to the main physics network interface of using to described spare physical network interface place device request.

6. as claim 4 or 5 described methods, it is characterized in that, further comprise: send a notification message with the address of request updating user data protocol communication and the corresponding relation of physics network interface.

7. method as claimed in claim 6 is characterized in that:

Described the spare physical network interface is carried out the address that User Data Protocol UDP communicates by letter with the opposite end, be specially with the binding of physics network interface: the backup network protocol address is used the media access layer address binding with leading with main;

Described will leading with the physics network interface carried out the address that User Data Protocol UDP communicates by letter with the opposite end, is specially with described spare physical network interface binding: will lead with internet protocol address and standby media access layer address binding.

8. as claim 4 or 5 described methods, it is characterized in that described method also comprises:

Use the spare physical network interface to carry out address and the standby media interviews layer address that User Data Protocol UDP communicates by letter, detect described spare physical network interface and carry out the quality information that subscriber equipment agreement UDP communicates by letter with the opposite end with the opposite end;

Described quality information is reported management equipment, so that described management equipment determines whether to carry out the switching of active and standby physics network interface according to described quality information.

9. an active and standby interface switching method is characterized in that, comprising:

Use the spare physical network interface to carry out address and the standby media interviews layer address that User Data Protocol UDP communicates by letter, detect described spare physical network interface and carry out the quality information that subscriber equipment agreement UDP communicates by letter with the opposite end with the opposite end;

Described quality information is reported management equipment, so that described management equipment carries out determining whether to carry out the switching of active and standby physics network interface according to described quality information after the handoff request of active and standby physics network interface in the request of receiving;

According to the switch acknowledgment message that described management equipment is returned according to described quality information, carry out the switching of active and standby physics network interface.

10. method as claimed in claim 9 is characterized in that, the described switch acknowledgment message of returning according to described quality information according to described management equipment, and the switching of carrying out active and standby physics network interface specifically comprises:

The spare physical network interface is carried out the address that User Data Protocol UDP communicates by letter with the opposite end, bind with the physics network interface with main;

Carry out address that User Data Protocol UDP communicate by letter with the physics network interface with the opposite end with main, bind, or described spare physical network interface is switched to the main physics network interface of using to described spare physical network interface place device request with described spare physical network interface.

11. method as claimed in claim 9 is characterized in that, the described switch acknowledgment message of returning according to described quality information according to described management equipment, and the switching of carrying out active and standby physics network interface specifically comprises:

Receive main with physics network interface place equipment receive send after the switch acknowledgment message that described management equipment returns the spare physical network interface is switched to the main request of using the physics network interface;

Described master is carried out the address that User Data Protocol UDP communicates by letter with the physics network interface with the opposite end,, and send a notification message to ask renewal to carry out the address of User Data Protocol communication and the corresponding relation of physics network interface with the binding of spare physical network interface.

12. a management equipment is characterized in that, comprising:

The request message receiving element is used to receive the main request message that sends with the physics network interface, and the switching of active and standby physics network interface is carried out in request;

Quality information obtains the unit, is used to obtain the spare physical network interface and carries out the quality information that User Data Protocol UDP communicates by letter with the opposite end;

The unit is returned in switching, is used for when determining that the quality information that described quality information acquisition unit obtains meets the requirement of presetting, and returns switch acknowledgment message to described master with the physics network interface, to carry out the switching of active and standby physics network interface.

13. the equipment based on User Data Protocol is characterized in that, comprising:

Determine transmitting element, be used for determining mainly carrying out the network that User Data Protocol UDP communicates by letter with physics network interface and opposite end and breaking down, send a request message, ask to carry out the switching of active and standby physics network interface to management equipment;

Receive processing unit, be used to receive described management equipment and carry out the quality information that User Data Protocol UDP communicates by letter in spare physical network interface and opposite end and meet the switch acknowledgment message of returning after the requirement of presetting, carry out the switching of active and standby physics network interface.

14. the equipment based on User Data Protocol as claimed in claim 13 is characterized in that, the switching that described reception processing unit carries out active and standby physics network interface specifically comprises:

The spare physical network interface is carried out the address that User Data Protocol UDP communicates by letter with the opposite end, bind with the physics network interface with main;

Carry out address that User Data Protocol UDP communicate by letter with the physics network interface with the opposite end with main, bind, or described spare physical network interface is switched to the main physics network interface of using to described spare physical network interface place device request with described spare physical network interface.

15. the equipment based on User Data Protocol as claimed in claim 14, it is characterized in that the switching that described reception processing unit carries out active and standby physics network interface further comprises: send a notification message with the address of request updating user data protocol communication and the corresponding relation of physics network interface.

16. as claim 13 or 14 described equipment, it is characterized in that, further comprise based on User Data Protocol:

The first handoff request receiving element is used to receive the main physics network interface place equipment of using and sends, and the spare physical network interface is switched to main request with the physics network interface;

The first binding processing unit, be used for after the described first handoff request receiving element receives request, described master is carried out the address that User Data Protocol UDP communicates by letter with the physics network interface with the opposite end, bind with the spare physical network interface, and send a notification message, described notification message is used for asking to upgrade the address of carrying out User Data Protocol communication and the corresponding relation of physics network interface.

17. as claim 13 or 14 described equipment, it is characterized in that, also comprise based on User Data Protocol:

First detecting unit is used to use spare physical network interface and opposite end to carry out address and standby media interviews layer address that User Data Protocol UDP communicates by letter, detects described spare physical network interface and carries out the quality information that subscriber equipment agreement UDP communicates by letter with the opposite end;

First reports the unit, is used for the quality information that described first detecting unit detects is reported management equipment, to determine whether the carrying out switching of active and standby physics network interface.

18. the equipment based on User Data Protocol is characterized in that, comprising:

Second detecting unit is used to use spare physical network interface and opposite end to carry out address and standby media interviews layer address that User Data Protocol UDP communicates by letter, detects described spare physical network interface and carries out the quality information that subscriber equipment agreement UDP communicates by letter with the opposite end;

Second reports the unit, be used for the quality information that described second detecting unit detects is reported management equipment, so that described management equipment carries out in the request of receiving determining whether to carry out the switching of active and standby physics network interface according to described quality information after the handoff request of active and standby physics network interface;

Switch unit is used for according to described management equipment carrying out the switching of active and standby physics network interface according to described second switch acknowledgment message of returning that reports the quality information that the unit reports.

19. the equipment based on User Data Protocol as claimed in claim 18, it is characterized in that described switch unit specifically comprises according to described second switching that reports the switch acknowledgment message of returning of the quality information that the unit reports to carry out active and standby physics network interface according to described management equipment:

The spare physical network interface is carried out the address that User Data Protocol UDP communicates by letter with the opposite end, bind with the physics network interface with main;

Carry out address that User Data Protocol UDP communicate by letter with the physics network interface with the opposite end with main, bind, or described spare physical network interface is switched to the main physics network interface of using to described spare physical network interface place device request with described spare physical network interface.

20. the equipment based on User Data Protocol as claimed in claim 18, it is characterized in that described switch unit specifically comprises according to described second switching that reports the switch acknowledgment message of returning of the quality information that the unit reports to carry out active and standby physics network interface according to described management equipment:

Receive the main physics network interface place equipment of using and send, the spare physical network interface is switched to main request with the physics network interface;

Described master is carried out the address that User Data Protocol UDP communicates by letter with the physics network interface with the opposite end, bind with the spare physical network interface.

21. as claim 19 or 20 described arbitrary equipment based on User Data Protocol, it is characterized in that described switch unit further comprises according to described second switching that reports the switch acknowledgment message of returning of the quality information that the unit reports to carry out active and standby physics network interface according to described management equipment:

Send a notification message, the address of User Data Protocol communication and the corresponding relation of physics network interface are carried out in the request renewal.

22. an active and standby interface switch system is characterized in that, comprising: management equipment and based on the equipment of User Data Protocol, described equipment based on User Data Protocol comprises the main physics network interface of using;

Described equipment based on User Data Protocol is used for determining mainly carrying out the network that User Data Protocol UDP communicates by letter with physics network interface and opposite end and breaking down, and sends a request message to management equipment, asks to carry out the switching of active and standby physics network interface; Receive the switch acknowledgment message that described management equipment is returned according to described request message, carry out the switching of active and standby physics network interface;

Described management equipment is used for receiving the main request message that sends with the physics network interface of described equipment based on User Data Protocol, and the switching of active and standby physics network interface is carried out in request; Obtain the spare physical network interface and carry out the quality information that User Data Protocol UDP communicates by letter with the opposite end; If described quality information meets the requirement of presetting, mainly in based on the equipment of User Data Protocol return switch acknowledgment message with the physics network interface to described.

23. active and standby interface switch system, it is characterized in that, comprise: management equipment, based on the host apparatus of User Data Protocol with based on the stand-by equipment of User Data Protocol, described host apparatus based on User Data Protocol comprises that the master uses the physics network interface, and described stand-by equipment based on User Data Protocol comprises the spare physical network interface;

Described host apparatus based on User Data Protocol is used for determining mainly carrying out the network that User Data Protocol UDP communicates by letter with physics network interface and opposite end and breaking down, and sends a request message to management equipment, asks to carry out the switching of active and standby physics network interface; Receive the switch acknowledgment message that described management equipment is returned according to described request message, the spare physical network interface is carried out the address that User Data Protocol UDP communicates by letter with the opposite end, with main with the binding of physics network interface, to described based on the stand-by equipment of User Data Protocol on the request of spare physical network interface described spare physical network interface is switched to the main physics network interface of using;

Described management equipment is used for receiving the main request message that sends with the physics network interface of described host apparatus based on User Data Protocol, and the switching of active and standby physics network interface is carried out in request; Obtain the spare physical network interface to stand-by equipment and carry out the quality information that User Data Protocol UDP communicates by letter with the opposite end based on User Data Protocol; If described quality information meets the requirement of presetting, mainly in based on the host apparatus of User Data Protocol return switch acknowledgment message with the physics network interface to described;

Described stand-by equipment based on User Data Protocol is used to receive that described host apparatus based on User Data Protocol sends, and the spare physical network interface is switched to main request with the physics network interface; Described master is carried out the address that User Data Protocol UDP communicates by letter with the physics network interface with the opposite end, bind with the spare physical network interface.

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