CN101141303A - Client upgrade method, server, and client in a network management system - Google Patents

Abstract

The invention discloses a method for upgrading a client in a network management system. The method comprises: a server receives an upgrade request from a client, and the upgrade request includes information about client software to be downloaded; In the process, according to the file list of download sources available for download, select the download source with the client software requested in the upgrade request; the server sends the selected download source list to the client, so that the client Select a download source from the download source list to download the client software and execute the downloaded client software. The invention also discloses a server and a client end suitable for the network management system. According to the method, server and client disclosed in the present invention, when the client is upgraded, the problem of single point failure can be avoided.

Description

Client upgrade method, server, and client in a network management system

technical field

The invention relates to an upgrade technology in a network management system, in particular to a method for upgrading a client in the network management system, as well as a server and a client.

Background technique

The upgrade of the network management system involves the upgrade of the server and the client. In general, the deployment of servers is relatively concentrated and the number is not too large, and can be upgraded on site. The deployment of clients is scattered and the number is also large. Therefore, the upgrade of clients is mainly realized through automatic upgrades.

In the network management system, the client software is stored in a fixed server, which becomes the only download source for all clients to download the client software. During the automatic upgrading process, the client downloads the client software from the server. After the download of the client software is completed, the client automatically replaces its own software and runs the latest downloaded client software. FIG. 1 is a schematic diagram of each client downloading client software during the client automatic upgrade process.

As the number of clients in the network management system continues to increase, if multiple clients download client software from a server at the same time, there will be a bottleneck in the load of the server, reducing the efficiency of client upgrades. Since all clients download client software from one server, if the server fails, the clients cannot complete the automatic upgrade, so the server becomes a single point of failure and the reliability of the upgrade is reduced. When the client is upgraded concurrently, there is no security guarantee for the upgraded client, the server load and network status are unknown, and the security of the upgrade process cannot be guaranteed.

Contents of the invention

An embodiment of the present invention provides a method for upgrading a client in a network management system to avoid a single point of failure of a server.

An embodiment of the present invention provides a server capable of providing a list of download sources for client upgrades so that the client can select a download source from which to download client software, thereby avoiding a single point of failure.

The embodiment of the present invention provides a client, which can determine a suitable download source to download client software, and avoid single point of failure.

An embodiment of the present invention provides a method for upgrading a client in a network management system, the method comprising:

The server receives an upgrade request from the client, where the upgrade request includes information about the client software to be downloaded;

The server selects, from the download sources available for download, a download source having the client software requested in the upgrade request according to the file list corresponding to the download source available for download;

The server sends the selected download source list to the client, so that the client selects a download source from the download source list to download the client software and execute the downloaded client software.

An embodiment of the present invention provides a method for upgrading a client in a network management system, the method comprising:

The client determines to upgrade the client software, and sends an upgrade request including the client software information to be downloaded to the server, so that the server returns a list of download sources capable of downloading the client software;

After receiving the download source list returned by the server, the client determines a download source for downloading the client software from the download source list, downloads the client software from the determined download source, and executes the downloaded client software.

An embodiment of the present invention provides a server, which is applied to a network management system, and the server includes:

The upgrade request receiving unit is used to receive the client software upgrade request of the client, and obtain the information of the client software that the client needs to download from the upgrade request;

The download source selection unit is configured to select a download source with the client software to be downloaded for the client requesting the upgrade, and send the selected download source list to the client.

An embodiment of the present invention provides a client, which is applied to a network management system, and the client includes:

An upgrade request unit, configured to determine to upgrade the client software, and send an upgrade request including client software information to be downloaded to the server;

The download source determining unit is used to receive the download source list returned by the server, and determine the download source for downloading the client software from the download source list;

a download unit, configured to download client software from the download source determined by the download source determination unit;

An upgrading unit is configured to execute the client software downloaded by the downloading unit.

According to the method, server and client provided by the embodiments of the present invention, when the client requests to upgrade the client software required, the server provides the client with a list of download sources that can download the client software, so that the client can choose from The download source downloads the client software. Therefore, the download source is determined by the server and the client for downloading the client software. Compared with the situation in which only the server becomes the download source in the prior art, the single point of failure problem can be avoided, thereby improving the network management system. performance.

Description of drawings

Fig. 1 shows that in the prior art, the schematic diagram of downloading the client software during the client automatic upgrade process;

Fig. 2 shows the structural block diagram of the network management system in the embodiment of the present invention;

Fig. 3 shows the flowchart of client upgrade in the embodiment of the present invention;

Fig. 4 shows the flowchart of downloading client software in the embodiment of the present invention;

Fig. 5 is shown as the flow chart that client selects download source according to priority in the embodiment of the present invention;

FIG. 6 is a diagram showing the internal structure of the server and client software in the network management system of the embodiment of the present invention.

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, specific examples are given below to further describe the present invention in detail.

In the network management system provided by the embodiment of the present invention, when the client is upgraded, the download source for downloading the client software is determined by the server and the client, and the download source can be selected according to a certain strategy, thereby avoiding only The single point of failure problem caused by the server becoming the download source; moreover, when the client software is divided into multiple file blocks, the client can determine the download source for each file block to realize multi-point parallel download, thereby improving download efficiency; Furthermore, security measures are also designed to improve the security of the network management system.

First, introduce the overall structure of the network management system. Fig. 2 is a structural block diagram of the network management system in the embodiment of the present invention. As shown in Figure 2, the network management system includes: a server and multiple clients. In the network management system, one server or multiple servers can be set. When setting up a server, the client software is stored in the server, and the download source information (such as download address, download port, etc.) , the server can be divided into the main server and the download server according to the different service content. The main server stores the client software, and saves the information of the download source available for download and the file list of the download source available for download. The client software is stored in the downloading server, which is specially set up for downloading. In the network management system, when the client needs to upgrade the client software, the server selects the download source for the client according to the download source information stored by itself and the file lists of these download sources, so that The client further determines the download source for downloading the client software from the download sources selected by the server. The server may select a download server storing client software as a download source for the client, or may select a client having client software and logging into the system as a download source. In this way, when each client downloads the client software, it can download from different download sources, which reduces the load on the server, avoids single point of failure, and improves upgrade reliability. If the client software is divided into multiple file blocks, the client can also download from multiple download sources at the same time, thereby increasing the download speed.

The following describes the process of client upgrade in detail.

Figure 3 is a flow chart of client upgrade. As shown in Figure 3, the client upgrade is implemented through the following steps.

Step 301: the client determines to upgrade the client software.

The matching relationship between the server software and the client software is set in the server. For example: V100R001B01D009: file 1-V100R001B01D009; file 2-V100R001B01D008

In the matching relationship, there is a corresponding relationship between the version number of the server software and the version number of the client software, V100R001B01D009 is the version number of the server software, V100R001B01D009 and V100R001B01D008 are the Version number; in the matching relationship, there is also a corresponding relationship between the version number of the client software and the relevant files of the client software, for example, V100R001B01D009 corresponds to file 1, and V100R001B01D008 corresponds to file 2. In the matching relationship in the above example, the sign ":" indicates the corresponding relationship between the server software version and the client software version. Before the sign ":" is the version number of the server software, and after the sign ":" is the name and Version number pair; "-" indicates the corresponding relationship between the client software version and the file, before the "-" is the file name, after the "-" is the version number of the corresponding client software, if the matching client software If there are multiple versions and files, use ";" to separate them. The server needs to update the matching relationship in real time, for example, when the server software is upgraded, the matching relationship needs to be updated.

When the client logs in to the network management system, it obtains the matching relationship from the server, and judges whether its own client software matches the server software, and if not, it determines that the client software needs to be upgraded.

In the network management system, in order to determine the way to upgrade the client, a client upgrade policy can be set. In the upgrade policy, you can set whether to determine the upgrade manually or automatically. If the upgrade policy is set to manually determine the upgrade, when the client determines that the client software does not match the server software, the client will prompt the user whether to upgrade the client software, and determine whether to upgrade the client software according to the user's choice; if If the upgrade policy is set to automatically determine the upgrade, when the client determines that the client software does not match the server software, the client directly determines to upgrade the client software.

Step 302: the client sends an upgrade request to the server, and the upgrade request includes information about the client software to be downloaded.

The client acquires the matching relationship from the server, and determines the client software that matches the server software as the client software that needs to be downloaded. For example, in the matching relationship exemplified in step 301, there are two client software versions that match the server software version V100R001B01D009, and each version corresponds to a file. At this time, the client can choose any file to download, such as file 1 or file 2.

The information of the client software to be downloaded included in the upgrade request may be the version number of the client software, or may be a file name corresponding to the version number of the client software.

Step 303: After receiving the upgrade request, the server selects a download source for the client that includes the client software to be downloaded included in the upgrade request, and sends the selected download source list to the client.

In the server, it is necessary to save the information of download sources available for download and maintain a file list of each download source. Wherein, the downloading source available for downloading may be a downloading server as shown in FIG. 2 , or a client. The information of each download source stored in the server includes information such as a download address and a download port, wherein the download address is the IP address of the download source. Information such as the download address and download port can be preset by the server; each download source can also be provided to the server and the corresponding information can be registered by the server.

All clients in the network management system can become download sources, or some clients can become download sources. Wherein, the client as the download source, after successfully downloading the client software or executing the downloaded client software, needs to register with the server that it can provide a list of relevant files of the client software, so that the server can update the client for downloading list of files. When the client as the download source registers itself with the server and can provide the list of the client software related files, it can also send information such as the download address and download port used to provide the download to the server, so that the server can update the client software. The download information of the client as the download source.

In addition, in the network management system, download source users available for download can also be set. Here, all users can become download source users, or only some users can become download source users.

The server needs to register the status of the download sources, for example, the status of each download source logging into the system, the registration of user information of each download source, and the like. Wherein, since the downloading server is specially set up for downloading, it may be defaulted that the downloading server is always logged in the system. After the client logs into the system, it reports to the server the information that it has logged into the system, and at the same time, it can report the logged-in user information to the server, and the server updates the client's login status and the user's information logged in to the client.

The server needs to set the conditions for the client to select the download source. For example, it can only consider whether there is client software, or whether there is client software and login status, or whether there is client software, login status, and all Logged in user status. When the server selects a download source for the client, it may select a download source that satisfies the conditions according to the upgrade request of the client and the conditions set. For example, the server can select a server with client software as the download source for the client, or select a client that logs in to the system and has the client software as the download source, or selects the login user as the download source user and has the client software. The client is the download source.

Through the above method, the server can designate a suitable client as the download source according to the security requirements of the network management system, and select the download source list for the current download request according to the client's login status and login user information, so as to provide the client The terminal provides multiple download sources for downloading, which can improve the reliability of the client software upgrade.

When the server sends the download source list to the client, the download address can be sent to the client, and the corresponding download port can also be added at the same time, or the name of the download source can also be sent to the client. When the server sends the download source list to the client, it can also send the downloadable file list of each download source to the client at the same time.

Step 304: the client downloads the client software from the download sources in the download source list returned by the server, and executes the downloaded client software.

Next, the process of the client downloading the client software from the download sources in the download source list returned by the server is described in detail, as shown in Figure 4, which specifically includes the following steps:

Step 401: the client selects a candidate download source from the list of download sources returned by the server.

For the selection method of candidate download sources, an upgrade policy may also be set. For example, the candidate download source is selected manually, or the candidate download source is selected automatically. The candidate download source is selected manually or automatically, respectively, according to the following methods.

1) When the candidate download source is selected manually, the user selects the candidate download source from the download sources selected by the server through the client interface.

2) When the candidate download source is selected automatically, the client selects the candidate download source.

As for the number of candidate download sources, any number can be selected, and the maximum number that can be selected can also be set.

Of course, the client may select all the download sources in the download source list obtained from the server as candidate download sources. In other words, step 401 may be omitted during actual application. At this time, the candidate download sources described in the following steps are the download sources in the download source list returned by the server.

Step 402: The client obtains the state information of the candidate download source, which is specifically implemented through the following steps 402-1 and 402-2.

402-1: The client detects whether each candidate download source is reachable. According to the detection result, the unreachable candidate download source is invalid, and the reachable candidate download source is valid. For a reachable candidate download source, determine the network return speed of the candidate download source.

Here, you can use the "ping" command to check whether it is reachable. Through the "ping" command, it can be determined whether it is reachable, and at the same time, for reachable candidate download sources, the return speed of the network can also be determined.

402-2: The client establishes a communication connection with the effective candidate download source determined in step 402-1. After the communication connection is successfully established, the client sends a download request to the candidate download source, and the candidate download source returns a response to the client. The response includes its own current load and the number of communication connections currently being downloaded. Wherein, the load may be CPU usage and free memory size. The response returned by the candidate download source to the client may also include a list of files that it can provide for download.

The status information of the candidate download sources obtained in step 402 includes: network return speed, CPU usage, free memory size, and the number of communication connections currently being downloaded.

Step 403: The client determines the download source for downloading the client software according to the state information of the candidate download source.

In order to determine a more suitable download source, the client may set a priority policy, and determine the download source for downloading the client software according to the priority policy. The priority policy described here specifically includes the priority of the considered status factors and the determination conditions of each status factor. For example, in this embodiment, the following four priorities are set, which are:

Priority 1: Considering the number of communication connections currently being downloaded, the download source with the least number of communication connections currently being downloaded is preferentially selected.

Priority 2: Consider the network return speed, and give priority to the download source with the fastest return speed.

Priority 3: Considering the CPU usage, choose the download source with the least CPU usage first.

Priority 4: Consider the size of free memory, and give priority to the download source with the largest free memory.

The order of priorities can be adjusted according to specific applications, and the determination conditions of the status factors considered in each priority can also be adjusted according to specific applications. For the factors of the number of communication connections currently being downloaded in priority one, the number range of priority selection can also be set. For example, download sources with 1 or 2 communication connections currently being downloaded can be preferentially selected; for priority two In the network return speed, you can also set the preferred speed range, for example, you can give priority to the download source with a return speed between 1ms and 2ms; for the CPU usage in priority three, you can also set the preferred percentage, for example, You can give priority to the download source whose CPU usage percentage is between 0 and 50%. For the free memory size in priority 4, you can also set the preferred free size. For example, you can give priority to the download source with the free memory above 128M.

As mentioned above, the client determines the download source by detecting the network status of the candidate download source, so that the reliability of the client software upgrade can be further improved. Moreover, different priorities are set for different network characteristics, and the download source is determined according to state factors and judgment conditions of different priorities. In this way, the load in the network management system can be evened out, and the overall performance of the network management system can be improved.

In addition, the client software can be a file, or the client software can also be divided into multiple file blocks, wherein the size of the file block can be set arbitrarily, for example, 64K or greater than 64K. When the client software is divided into multiple file blocks, the client can determine different download sources for each file block, and download different file blocks from different download sources, so that different file blocks can be downloaded in parallel , can realize multi-point parallel downloading, thereby reducing the total time for downloading client software and improving downloading efficiency.

The client selects an appropriate download source for the file or each file block according to the set priority, and the specific process shown in Figure 5 includes the following steps:

Step 501: Determine whether the only download source can be determined according to priority one, that is, among the candidate download sources, judge whether the candidate download source whose number of communication connections currently being downloaded satisfies the priority one condition is unique, and if unique, then The candidate download source satisfying the condition of priority one is determined to be the download source, and the flow ends; if not unique, it means that there are multiple candidate download sources satisfying the condition of priority one, and step 502 is executed.

Step 502: further judge whether the only download source can be determined according to priority two, that is, among the candidate download sources satisfying the condition of priority one, judge whether the candidate download source whose network return speed satisfies the condition of priority two is unique, and if unique, then Determine the candidate download source that meets the priority 1 and 2 conditions as the download source, and end this process; if it is not unique, it means that among the candidate download sources that meet the priority 1 condition, there are still multiple candidate download sources that meet the priority If the condition is two, step 503 is executed.

Step 503: Further judge whether the only download source can be determined according to the priority level three, that is, among the candidate download sources satisfying the priority level one and two conditions, determine whether the candidate download source satisfying the priority level three condition is the only one , if it is unique, then determine the candidate download sources that meet the conditions of priority 1, 2 and 3 as the download source, and end this process; if not unique, it means that there are still many If a candidate download source satisfies the condition of priority three, step 504 is executed.

Step 504: Further judge whether the only download source can be determined according to priority 4, that is, among the candidate download sources meeting the conditions of priority 1, 2, and 3, determine the candidate download source whose current free memory size satisfies the condition of priority 4 Whether it is unique, if it is unique, determine the candidate download source that meets the conditions of priority 1, 2, 3, and 4 as the download source, and end this process; Among the sources, there are still multiple candidate download sources meeting the condition of priority 4, and any candidate download source is selected as the download source.

Through the above steps 501-504, the corresponding download source can be determined for each file block.

Step 404: the client downloads the client software from the determined download source.

If the client software is divided into multiple file blocks, the client downloads the corresponding file blocks from each download source determined in step 403, and after all the file blocks are downloaded, all the file blocks are combined into the client software.

If the download of the file block fails, the download can be tried again, and if it still fails, another download source can be selected to re-download the file block. The method for reselecting the download source may adopt the method described in step 403 above. Here, the failure to download the file block may include: the download source client rejects the download, or the failure is caused by a communication link problem, and the like.

In order to verify the correctness of the file block, a check code can be set in the file block. When the file block is successfully downloaded, it is checked whether the check code of the file block is correct, if not, it is considered that an error occurred during the file block transmission, and the file block with the incorrect check code is re-downloaded. For example, a 4-byte file header can be added in front of each file block, and the number of each file block can be set in the file header. One implementation of the check code is to put all the bytes in the file header Do "XOR" and other operations to get the value of the check code. The detection method of the check code is to calculate the check code again according to the method of setting the check code, and judge whether the check code obtained by the re-calculation is the same as the check code carried in the downloaded file block. If they are the same, Then the check code is correct, otherwise, the check code is incorrect. Through this verification process, the reliability of client software upgrade can be further improved.

After the client successfully downloads the file chunks, it can register with the server the information of the file chunks it can provide, including the download address, the port number for downloading, and the name of the successfully downloaded file chunks. After successful registration, the client can become the download source of the file block, and other clients can download the file block from the client.

After all the file blocks are downloaded, the client combines all the file blocks into one file, and then verifies the correctness of the file. The correctness of the file is also checked by the check code, and the specific method is the same as the correctness check of the file block. After checking, if it is determined that the file is incorrect, the file is invalid and needs to be downloaded again; if it is determined that the file is correct, the file is valid.

Through the above steps, after the client successfully downloads the client software, it can perform automatic upgrade. After the client successfully downloads the client software or completes the upgrade, it registers with the server the information of the files it can provide, including the download address, download port number, and file list of the client software.

In this way, if the client that successfully downloads the client software and upgrades successfully is a download source that can be downloaded, then the client can provide other clients with the current client software, and other clients can download from the client. download the required client software.

Considering the security of the network management system, the system administrator can further set security policies for the available download sources. For example, when a client requests client software download, the client is required to input a user name and password, and the server allows the client to download the client software after confirming that the input user name and password are correct.

The system administrator can create a download user in the network management system. When the client requests to download, the client is required to enter the download user name and password. After the server confirms that the input download user name and password are correct, the client is allowed to download the client software. .

Specifically, in the client upgrade process shown in FIG. 3 , between step 302 and step 303, it further includes: the server instructs the client to input a user name and password, and after the client enters the user name and password, the server judges whether the input user name and password are correct, if correct, go to step 303; otherwise, the server rejects the client's upgrade request, and ends this process.

When the server allows the client to download the client software through the user name and password confirmation, the server can set a serial number for this download, and send the serial number to the client and the download source respectively. The client software can be downloaded from the corresponding download source. Specifically: when the client wants to download the client software from the download source, it sends the serial number to the download source; the download source compares whether the serial number obtained by itself from the server is the same as the serial number obtained from the client, and if they are the same , the client is allowed to download, otherwise, the client is denied to download.

In addition, as a client or server as a download source that can be downloaded, users and/or IP addresses that are allowed to download can also be set. When a client requests a download from itself, the download source instructs the client to enter a user name, and judges whether the user is a user allowed to download by itself, and if so, allows the download, otherwise refuses to download; Whether the IP address of the client is the IP address allowed to download by itself, if so, the download is allowed, otherwise the download is refused; or, the download source requires the client to enter a user name, and judges whether the user is a user allowed to download by itself, and also judges Whether the IP address of the client is the IP address allowed to download by itself, if the judgment results are all yes, the download is allowed, otherwise the download is refused.

Through the above security design, when the client requests the server to upgrade the client software, the server requires the client to enter the user name and password allowed by itself; when the client downloads the client software from the download source, the download source can also require the client to The terminal enters the user name and password allowed by itself, or the download source judges whether the client requesting download is a client allowed by itself, and only after confirmation can the download be allowed, thereby improving the security of the network management system.

In conjunction with the client upgrade method described in the above embodiments, in the network management system shown in Figure 2, the client determines to upgrade the client software, and sends an upgrade request including client software information to be downloaded to the server; the server is The client of the upgrade request selects a download source, and sends the list of download sources to the client of the upgrade request; the client determines and downloads the download source for downloading the client software from the download sources selected by the server. The network management system may further include: a server for downloading; the server for downloading stores client software. At this time, the server can select the downloading server or client as the client requesting the upgrade; in this way, the client can download the client software from the downloading server or client. After the client successfully downloads the client software or executes the downloaded client software, it registers with the server that it can provide relevant files of the client software.

Next, with reference to FIG. 6 , the internal structures of the server and the client in the network management system will be introduced in detail. As shown in FIG. 6 , the server includes: an upgrade request receiving unit 602 and a download source selecting unit 603 . The upgrade request receiving unit 602 receives the client software upgrade request of the client, and obtains the client software information that the client needs to download from the upgrade request; the download source selection unit 603 is the client of the upgrade request, and selects Have the download source of the client software that needs to be downloaded, and send the selected download source list to the client.

The server may further include: a download source information storage unit 601, configured to store information of download sources available for download and a file list of download sources available for download. The download source selection unit 603 selects a download source for the client requesting the upgrade according to the download source information and the file list stored in the download source information storage unit 601 .

The server may further include: a download source user information saving unit 604 . The download source user information storage unit 604 stores user information available for download. At this time, when the download source selection unit 603 selects a download source for the client, it can choose to use the download source user information storage unit 604. User-login download sources available for download.

The server may further include: a user verification unit 605 . The user verification unit 605 requires the client of the upgrade request to input a user name and password, judges whether the user name and password input by the client are correct, and sends the judgment result to the download source selection unit 603 . The download source selection unit 603 obtains the result that the user name and password are input correctly, and selects the download source for the client; the download source selection unit 603 obtains the result that the user name and password input is wrong, and refuses to select the download source for the client. Upgrade requests failed. Through the user verification by the user verification unit 605, the security of the network management system can be guaranteed.

Next, introduce the internal structure of the client. Assume that client 1 is the client requesting an upgrade, and client 2, client 3, and client 4 are the download sources selected by the download source selection unit 603 of the server.

As shown in FIG. 6 , the client 1 at least includes: an upgrade request unit 701 , a download source determination unit 702 , a download unit 703 , and an upgrade unit 707 . Wherein, the upgrade request unit 701 is configured to determine that the client software needs to be upgraded, and send an upgrade request including client software information to be downloaded to the server; the download source determining unit 702 receives the download source list returned by the server, and Determine the download source used to download the client software from the download source list; the download unit 703 downloads the client software from the download source determined by the download source determination unit 702; the upgrade unit 707 executes the download unit 703 Download the obtained client software. The download unit 703 and the upgrade unit 707 may also be integrated into one unit.

Wherein, the download source determining unit 702 includes: a state information acquiring unit 702-2 and a determining unit 702-3. The state information obtaining unit 702-2 is configured to obtain the state information of the download source in the download source list; the determining unit 702-3 is configured to determine the download source according to the state information of the download source. The download source determining unit 702 further includes: a candidate download source selecting unit 702-1. The candidate download source selection unit 702-1 selects a candidate download source from the download source list returned by the server; at this time, the state information acquisition unit 702-2 acquires the candidate download source selected by the candidate download source selection unit 702-1. Status information of the download source; the determining unit 702-3 determines the download source according to the status information of the candidate download source.

Assuming that the candidate download source selection unit 702-1 selects client 2, client 3, and client 4 as candidate download sources, the state information acquisition unit 702-2 sends the client 2, client 3, and Client 4 sends a request for obtaining state information, and client 2, client 3, and client 4 return their own state information to client 1 respectively, and the state information obtaining unit 702-2 of client 1 receives each Status information returned by the client. The client 2 , the client 3 , and the client 4 respectively include a download request transceiving unit 801 . The state information returning unit 801 returns its own state information to the client 1 according to the request of the client 1 for acquiring state information.

The client 1 may further include: a priority policy unit 704 . The priority policy unit 704 sets a priority policy. At this time, the determination unit 702-3 may determine the download source according to the priority policy set by the priority policy unit 704. For the specific method of setting the priority and the method of determining the download source, refer to the foregoing embodiments.

Assume that the download source determination unit 702 of the client 1 determines that the client 4 is the download source, and the download unit 703 of the client 1 downloads the client software from the client 4 determined by the download source determination unit 702 . The client 4 includes: a download providing unit 802 . After the client 1 determines that the client 4 is the download source, the download providing unit 802 of the client 4 provides the download service for the client 1, specifically, the downloading unit 703 of the client 1 can download from the download providing unit 802 of the client 4. The client software, or the client software required by the client 1 is sent by the download providing unit 802 of the client 4 to the download unit 703 of the client 1 .

The client 1 may also include a user name input unit 705 . When the user detection unit 605 of the server requires the client 1 to input the user name and password, the user name and password are input by the user name input unit 705 of the client 1 .

The client 1 may also include a registration unit 706 . The registering unit 706 is configured to register the list of files that it can provide to the server after the downloading unit 703 downloads the client software or the upgrading unit 707 successfully upgrades the client software. When all the files of the client software are downloaded, the complete file list of the client software is registered in the server; when part of the file blocks are downloaded, the client can also register the information of the file blocks in the server. At this time, the download source information storage unit 601 of the server updates the file list owned by the client 1 according to the file list obtained from the registration unit 706 of the client 1 .

The client 1 may also include the status information returning unit 801 and the download providing unit 802 . Moreover, the client 2 and client 3 may also include units 701-707 in the client 1 and the download providing unit 802; the client 4 may also include units 701-707 in the client 1 unit. In other words, each client can become a download source that provides download services, and each client can download the client software it needs from other download sources.

Those of ordinary skill in the art can understand that all or part of the steps in the 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: ROM, RAM , disk or CD, etc.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of the present invention. within the scope of protection.

Claims (21)

1. client upgrade method in network management system is characterized in that this method comprises:

Server receives the upgrade request from client, and described upgrade request comprises the information of the client software that needs are downloaded;

Server is from can for the loading source corresponding file tabulation of downloading, selecting to have the loading source of the client software of being asked in the described upgrade request according to described for the loading source of downloading;

Server sends to this client with selected loading source tabulation, makes this client select loading source to download the client software that obtains with download client software and execution from this loading source tabulation.

2. method according to claim 1 is characterized in that, this method also comprises:

Server is preserved in this network management system and can and be safeguarded the described listed files that has for the loading source of downloading for the information of the loading source of downloading.

3. method according to claim 1 and 2 is characterized in that,

Described loading source for download comprises: can be for the download client of downloading;

The described download of the described server registers state of client logging in network management system;

Described server from being for selection loading source the loading source of downloading: according to the logging status of described download with client, select the logging in network management system and have the download client of described client software.

4. method according to claim 1 and 2 is characterized in that,

Described loading source for download comprises: can be for the download client of downloading;

The user profile that the described download of described server registers is used client with the state and the described download of login of client logging in network management system;

Described server is from can be for selecting loading source be the loading source of downloading: according to described download with the logging status of client and the user of login, select to have described client software, logging in network management system and login user be for can be for the user's who downloads download client.

5. method according to claim 1 is characterized in that,

Described server receives after the upgrade request, before selecting loading source, further comprise: indicate described client input username and password, and whether the username and password of judging this client input is correct, if correct, then select loading source, otherwise, refuse the upgrade request of this client, process ends;

Described user client user's name by name or download user name.

6. client upgrade method in network management system is characterized in that this method comprises:

Client is determined updating client software, sends the upgrade request of the client software information comprise that needs are downloaded to server, and the loading source that this server is returned can download this client software is tabulated;

After client receives the loading source tabulation that this server returns, from this loading source tabulation, be identified for the loading source of download client software,, and carry out and download the client software that obtains from determined loading source download client software.

7. method according to claim 6 is characterized in that,

Described client determines that updating client software is: client is obtained the matching relationship of server software and client software from server, the client software of judging self whether with the server software coupling, if do not match, then determine updating client software;

The client software information that the needs that comprise in the described upgrade request are downloaded is: the information of the client software that mates with server software in the described matching relationship.

8. method according to claim 6 is characterized in that,

Behind the described client software of described client downloads, this method further comprises: user end to server sends self can provide the tabulation of this client software corresponding document, the listed files that server registers self can be provided.

9. method according to claim 6 is characterized in that,

Described client software is divided into a plurality of blocks of files;

The loading source that client is identified for download client software is: client is identified for downloading the loading source of corresponding document piece respectively for each blocks of files;

Described client download client software from determined loading source is: client is downloaded corresponding blocks of files respectively from determined each loading source, and the blocks of files that download obtains is combined into client software.

10. according to claim 6 or 9 described methods, it is characterized in that the step that described client is identified for the loading source of download client software comprises:

Client is obtained the state information of the loading source in the described loading source tabulation;

Client is identified for the loading source of download client software according to the state information of the loading source of being obtained.

11. method according to claim 10 is characterized in that, the state information that described client is obtained the loading source in the described loading source tabulation is: described client is obtained the state information of all or part of loading source in the described loading source tabulation.

12. method according to claim 10 is characterized in that,

Client comprises according to the step that the state information of loading source is identified for the loading source of download client software: client is identified for the loading source of download client software according to the state information of loading source according to priority policy.

13. method according to claim 6 is characterized in that,

Described client before the download client software, is inputed user name according to the indication of inputing user name of described loading source from loading source, confirm the user who the is inputed user name that allows to download by name by this loading source after, from this loading source download client software;

Perhaps, described client from loading source before the download client software, confirm that by described loading source the address of this client is the address that allows to download after, from this loading source download client software;

Perhaps, described client is from loading source before the download client software, user name is inputed in the indication of inputing user name according to described loading source, confirm the user who the is inputed user name that allows download by name by this loading source, after confirming the address of address for the permission download of this client simultaneously, from this loading source download client software.

14. a server is applied to network management system, it is characterized in that, this server comprises:

The upgrade request receiving element is used to receive the client terminal software updating request of client, and obtains the information of the client software that this client need download from upgrade request;

The loading source selected cell is used to the client of described upgrade request, selects to have the described loading source that needs the client software downloaded, and selected loading source tabulation is sent to described client.

15. server according to claim 14 is characterized in that, described server further comprises: the loading source information memory cell, and being used to preserve can be for the information of the loading source of downloading and the described listed files that has for the loading source of downloading;

Loading source information and listed files that described loading source selected cell is preserved according to the loading source information memory cell are for the client of upgrade request is selected loading source.

16. server according to claim 14, it is characterized in that, described server further comprises: the subscriber checking unit, be used to indicate the client input username and password of described upgrade request, and the username and password of confirming the input of described client is selected loading source by described loading source selected cell when correct.

17. a client is applied to network management system, it is characterized in that, described client comprises:

The upgrade request unit is used for determining updating client software, and sends the upgrade request of the client software information that comprises that needs are downloaded to server;

The loading source determining unit is used for the loading source tabulation that reception server returns, and is identified for the loading source of download client software from this loading source tabulation;

Download unit is used for from the determined loading source download client of described loading source determining unit software;

The upgrading unit is used to carry out described download unit and downloads the client software that obtains.

18. client according to claim 17 is characterized in that, described loading source determining unit comprises:

The state information acquisition unit is used for obtaining the state information of the loading source of described loading source tabulation;

Determining unit is used for determining loading source according to the state information of described loading source.

19. system according to claim 17, it is characterized in that, described client further comprises registration unit, be used for when described download unit download client software, after client software is carried out in perhaps described upgrading unit, self can provide the tabulation of these client software associated documents to the server transmission.

20. client according to claim 17 is characterized in that, described client further comprises: state information is returned the unit, is used for obtaining request according to coming from other client's state information, returns the state information of self to described other client.

21. client according to claim 17 is characterized in that, described client further comprises: download the unit is provided, be used for determining to provide download service for it after as loading source when other client.

Images