CN114172812A - Method, device, system, equipment and storage medium for network slice resource management - Google Patents
Method, device, system, equipment and storage medium for network slice resource management Download PDFInfo
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- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
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- H04L41/0893—Assignment of logical groups to network elements
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Abstract
The invention discloses a method, a device, a system, equipment and a storage medium for network slice resource management, belonging to the technical field of communication. The system comprises: a network slice example, configured to obtain a service key value and entry attribute information of a service according to service configuration issued by a slice management device, receive entry index information allocated to the service by the resource management device according to the service key value by sending the service key value of the service to the resource management device, and write the entry attribute information into a chip entry position indicated by the entry index information according to the entry index information, so as to complete resource management of the service; and the resource management device is used for distributing table item index information for the service corresponding to the service key value according to the service key value sent by the network slice example and sending the table item index information to the network slice example.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method, an apparatus, a system, a device, and a storage medium for network slice resource management.
Background
In the fifth Generation mobile communication technology (5Generation,5G), three typical application scenarios are enhanced mobile broadband scenario (eMBB), low latency high reliability scenario (urrllc), and low power consumption high connectivity scenario (mtc), and in this context, network slicing technology has been developed. The network slice provides mutually isolated and function-customizable network services for different vertical industries, different clients and different services based on a service protocol, and is a logic network for providing specific network capability and characteristics. One example of a network slice is a collection of network functions and required physical/virtual resources, which may include access networks, core networks, transport bearer networks, and applications.
The network slicing technology deploys the existing physical network virtualization of the existing network into a plurality of logic networks providing different network services, so as to realize end-to-end slicing, wherein each logic network is an example. Since different logical networks share one share of physical network resources, slice resource forwarding management becomes one of the key technologies of network slicing. As shown in fig. 6, in the conventional general scheme, when a slice management apparatus generates a slice instance, physical resources of network devices are uniformly divided, a part of the resources are solidified and distributed to the slice instance for use, and a global instance is created for managing shared resources, so that resources cannot be fully utilized, which causes waste of resources, and after a client proposes a new service, there is a problem that no reallocation of resources causes a new slice instance to be added, and service expansion cannot be flexibly performed.
Disclosure of Invention
The embodiment of the invention mainly aims to provide a method, a device, a system, equipment and a storage medium for network slice resource management, resources used on network equipment are managed by adding a resource management device, and because each slice network is not sensed, the resource management is flexibly managed by adopting a mode of resource allocation on client services, so that the number of services, namely the number of allocated resources, can be effectively managed and can be fully utilized.
In order to achieve the above object, an embodiment of the present invention provides a method for managing network slice resources, where the method includes the following steps:
the network slice example obtains the service key value and the table item attribute information of the service according to the service configuration issued by the slice management device;
the network slice example receives the table index information distributed to the service by the resource management device according to the service key value by sending the service key value of the service to the resource management device;
and the network slice example writes the table item attribute information into the chip table item position indicated by the table item index information according to the table item index information so as to complete the resource management of the service.
In order to achieve the above object, an embodiment of the present invention provides a method for managing network slice resources, where the method includes the following steps:
the resource management device distributes table index information for the service corresponding to the service key value according to the service key value sent by the network slice example;
and the resource management device sends the table item index information to the network slice instance so that the network switching instance writes the table item attribute information into the chip table item position indicated by the table item index information according to the table item index information, thereby completing the resource management of the service.
To achieve the above object, an embodiment of the present invention provides an apparatus for managing network slice resources, including:
the acquisition module is used for acquiring a service key value and item attribute information of a service according to the service configuration issued by the slice management device;
a receiving module, configured to receive entry index information allocated to the service by the resource management device according to a service key value by sending the service key value of the service to the resource management device;
and the writing module is used for writing the table item attribute information into the chip table item position indicated by the table item index information according to the table item index information so as to complete the resource management of the service.
To achieve the above object, an embodiment of the present invention provides an apparatus for managing network slice resources, including:
the distribution module is used for distributing table item index information for the service corresponding to the service key value according to the service key value sent by the network slice example;
and the sending module is used for sending the table item index information to the network slice instance so that the network switching instance writes the table item attribute information into the chip table item position indicated by the table item index information according to the table item index information so as to complete the resource management of the service.
To achieve the above object, an embodiment of the present invention provides a system for managing network slice resources, including:
a network slice example, configured to obtain a service key value and entry attribute information of a service according to service configuration issued by a slice management device, receive entry index information allocated to the service by the resource management device according to the service key value by sending the service key value of the service to the resource management device, and write the entry attribute information into a chip entry position indicated by the entry index information according to the entry index information, so as to complete resource management of the service;
and the resource management device is used for distributing table item index information for the service corresponding to the service key value according to the service key value sent by the network slice example and sending the table item index information to the network slice example.
In order to achieve the above object, an embodiment of the present invention further provides an apparatus for network slice resource management, where the apparatus includes a memory, a processor, a program stored in the memory and executable on the processor, and a data bus for implementing connection communication between the processor and the memory, and the program implements the steps of the foregoing method when executed by the processor.
To achieve the above object, the present invention provides a storage medium for a computer-readable storage, the storage medium storing one or more programs, the one or more programs being executable by one or more processors to implement the steps of the aforementioned method.
The invention provides a method, a device, a system, equipment and a storage medium for managing network slice resources, which improve the resource utilization rate of network equipment.
Drawings
Fig. 1 is a flowchart of a method for network slice resource management according to an embodiment of the present invention.
Fig. 2 is a flowchart of a method for network slice resource management according to a second embodiment of the present invention.
Fig. 3 is a schematic diagram of an apparatus for network slice resource management according to a third embodiment of the present invention.
Fig. 4 is a schematic diagram of an apparatus for network slice resource management according to a fourth embodiment of the present invention.
Fig. 5 is a schematic diagram of a system for managing network slice resources according to a fifth embodiment of the present invention.
Fig. 6 is a schematic diagram of a traffic configuration architecture of a network slice provided by the prior art.
Fig. 7 is a schematic structural diagram of an embodiment of a resource management method according to an embodiment of the present invention.
Fig. 8 is a flowchart illustrating an embodiment of a resource management method according to an embodiment of the present invention.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the following description, suffixes such as "module", "part", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no peculiar meaning in itself. Thus, "module", "component" or "unit" may be used mixedly.
Fig. 1 is a flowchart of a method for network slice resource management according to an embodiment of the present invention, as shown in fig. 1, including:
step S110: the network slice example obtains the service key value and the table item attribute information of the service according to the service configuration issued by the slice management device;
step S120: the network slice example receives the table index information distributed to the service by the resource management device according to the service key value by sending the service key value of the service to the resource management device;
step S130: and the network slice example writes the table item attribute information into the chip table item position indicated by the table item index information according to the table item index information so as to complete the resource management of the service.
The network slice example comprises a forwarding control module and an item configuration module; the obtaining, by the network slice example, the service key value and the entry attribute information of the service according to the service configuration issued by the slice management device includes: the forwarding control module of the network slice example obtains a service key value and table item attribute information of the service according to the service configuration issued by the slice management device; and the forwarding control module of the network slice example sends the service key value and the table item attribute information of the service to the table item configuration module of the network slice example.
Specifically, the step of sending, by the network slice instance, a service key of the service to a resource management device, and receiving entry index information allocated to the service by the resource management device according to the service key includes: the forwarding control module of the network slice example sends the service key value of the service to the resource management device, so that the resource management device distributes table index information for the service according to the service key value of the service, and sends the service key value and the table index information to the table configuration module of the network slice example.
The table entry index information refers to index position information of a chip table entry.
Fig. 2 is a flowchart of a method for network slice resource management according to a second embodiment of the present invention, as shown in fig. 2, including:
step S210: the resource management device distributes table index information for the service corresponding to the service key value according to the service key value sent by the network slice example;
step S220: and the resource management device sends the table item index information to the network slice instance so that the network switching instance writes the table item attribute information into the chip table item position indicated by the table item index information according to the table item index information, thereby completing the resource management of the service.
Fig. 3 is a schematic diagram of a device for network slice resource management according to a third embodiment of the present invention, and as shown in fig. 3, the device applied to a slice example created by a slice management device includes: an acquisition module 301, a receiving module 302, and a writing module 303.
The acquiring module 301 is configured to obtain a service key value and entry attribute information of a service according to the service configuration issued by the slice management device; the receiving module 302 is configured to receive entry index information allocated by the resource management device for the service according to the service key value by sending the service key value of the service to the resource management device; the writing module 303 is configured to write the entry attribute information into a chip entry position indicated by the entry index information according to the entry index information, so as to complete resource management of the service.
Fig. 4 is a schematic diagram of a device for network slice resource management according to a fourth embodiment of the present invention, as shown in fig. 4, applied to a resource management device, including: an allocation module 401 and a sending module 402.
The allocating module 401 is configured to allocate entry index information to a service corresponding to a service key value according to the service key value sent by a network slice instance; a sending module 402, configured to send the entry index information to the network slice instance, so that the network switch instance writes the entry attribute information into a chip entry position indicated by the entry index information according to the entry index information, so as to complete resource management of the service.
Fig. 5 is a schematic diagram of a system for managing network slice resources according to a fifth embodiment of the present invention, as shown in fig. 5, including: a network slice instance 501 and a resource management device 502.
The network slice instance 501 is configured to obtain a service key value and entry attribute information of a service according to service configuration issued by a slice management apparatus, receive entry index information allocated to the service by the resource management apparatus according to the service key value by sending the service key value of the service to the resource management apparatus, and write the entry attribute information into a chip entry position indicated by the entry index information according to the entry index information, so as to complete resource management of the service; the resource management device 502 is configured to allocate entry index information to a service corresponding to a service key value according to the service key value sent by the network slice instance, and send the entry index information to the network slice instance.
An embodiment of the present invention provides an apparatus for network slice resource management, where the apparatus includes a memory, a processor, a program stored in the memory and executable on the processor, and a data bus for implementing connection communication between the processor and the memory, where the program is executed by the processor to implement specific steps shown in fig. 1 and fig. 2.
An embodiment of the present invention provides a computer-readable storage medium storing one or more programs, which are executable by one or more processors to implement specific steps shown in fig. 1 and 2.
Fig. 7 is a schematic structural diagram of an embodiment of a resource management method provided by an embodiment of the present invention, as shown in fig. 7, including:
the first step is as follows: the slice management device and the service control device instantiate 3 slices as slice 1/slice 2/slice 3, and create 3 services A/B/C, which are respectively carried by the 3 slice instances.
The second step is that: the forwarding control device in slice 1 calculates that service a needs to obtain an entry for table N on the forwarding chip for configuration, and the configuration attribute is a1/a2/a 3. Similarly, the service B in slice 2 is processed by acquiring an entry configuration with a configuration attribute of B1/B2/B3 from the table N. The service C in the slice 3 is processed by acquiring an entry configuration for the table N, wherein the configuration attribute is C1/C2/C3
The third step: and the 3 slice instances respectively send the table entry configuration information calculated by the slice instances to the table entry configuration device. The information obtained by the table entry configuration device of slice 1 is service A, configuration a1/a2/a 3. The information obtained by the table entry configuration device of slice 2 is service B, configuration B1/B2/B3. The information obtained by the table entry configuration device of slice 3 is service C, configuration C1/C2/C3.
The fourth step: and the 3 slice instances respectively send the created service key values to the resource management device, and the operation codes are all created.
The fifth step: the resource management device receives the service creation information of the slice 1, namely obtains an entry needing to allocate a table item N to the service, allocates an entry index of the table item N to the service A to be 1, and sends the corresponding relation between the service A and the index 1 to the table item configuration module in the example of the slice 1 according to the slice number.
Similarly, the index N of the service allocation table entry for slice 2 is 2, the index N of the service allocation table entry for slice 3 is 3, and the corresponding association information is sent to the table entry configuration device in the corresponding slice example.
And a sixth step: and the table entry configuration device in the slice example executes table entry writing operation according to the received index. The table entry configuration device in the slice 1 instance writes the attribute a1/a2/a3 into the 1 st entry of the table entry N, the table entry configuration device in the slice 2 instance writes the attribute b1/b2/b3 into the 2 nd entry of the table entry N, and the table entry configuration device in the slice 3 instance writes the attribute c1/c2/c3 into the 3 rd entry of the table entry N. And the forwarding chip completes service forwarding work according to the attribute information written in the table entry.
As can be seen from this embodiment, it is assumed that the chip table entry has only 30 entries. When slice 1 carries 1 service, slice 2 carries 28 services, and slice 3 carries 1 service, the table resource is used completely and can meet the customer's requirement.
If, according to the existing implementation technique, 10 chip entry resources are allocated to slice 1, 10 resources are allocated to slice 2, and 10 resources are allocated to slice 3. Then in this embodiment, the 18 traffic carried in the slice 2 instance will not be configurable. While slice 1 and slice 3 each have 9 resources wasted.
It will be appreciated that the above process is only one specific example of a resource management device forwarding configuration, and is characterized by not allocating specific resources for each slice. In practical application, the deployment of the forwarding configuration may be in other forms, and the module sending information may also include other information, which is not limited in this application.
It is understood that the above process may remove the table entry configuration module in the slice and deploy it together with the resource management device, or both deploy it as a global module and complete the table entry configuration operation outside the slice. This application is not limited.
Fig. 8 is a flowchart illustrating an embodiment of a resource management method according to an embodiment of the present invention, as shown in fig. 8, including the following steps:
step 1: the client service carried by the network equipment is issued and configured to each slice instance, and the forwarding control device in each slice instance calculates the client service and converts the client service into the table entry information to be configured in the chip table entry. Each slice has a service identification key and corresponding entry information.
Step 2: and the forwarding control device in the slice sends the service key value and the corresponding table entry information to the table entry configuration device.
And step 3: and the forwarding control device in the slice transmits the service key value information to the resource management device.
It can be understood that there may be creation and deletion for customer service, there may also be addition and deletion operations for corresponding service management, and the management content is not limited in this patent case, and is described here as only one case scenario.
And 4, step 4: the resource management device distributes corresponding table item indexes according to the received service key value information, and simultaneously sends the service key value and the index association to the table item configuration device. Wherein, the table item index is index position information of the chip table item.
The index is the position information of the chip table entry, the resource management device allocates and manages the index information according to the service information, and the services received from different slices are all allocated with the index from the idle chip table entry and are not fixed to allocate the index space for each slice. For example, if a service X received from slice 1 uses table a and is assigned an index value of 1, and a service Y received from slice 2 also uses table a, if the index value of 2 is free, then 2 is assigned for use by service Y of slice 2.
Meanwhile, according to the received information, one possible scenario is: the resource management device allocates table entry indexes for each forwarding service and establishes and manages association between service keys and the indexes. And then, the allocated resource index is sent to the table item configuration module of the corresponding slice according to the slice number. There is also another scenario possible: the resource management device needs to delete the association between the service key and the index, and release the table entry resource corresponding to the index for the subsequent new service.
And 5: the table entry configuration device can convert the service key value and the table entry configuration information received from the forwarding control device and the service key value and the index correlation received from the resource management device to obtain the index information corresponding to the table entry configuration information, wherein the index is the index position information of the chip table entry, that is, the table entry configuration information can be written in the corresponding position, and the hardware chip configuration of the forwarding service is completed.
The method for deploying a slice forwarding resource management device provided by the present invention includes, but is not limited to, the above steps, for example, a table entry configuration device deployed in a slice instance may be deployed together with a resource management device, and after table entry index information is allocated by the resource management device, a table configuration operation is directly performed. The corresponding process steps are as follows:
the embodiment of the invention provides a method, a device, a system, equipment and a storage medium for network slice resource management, wherein a resource management device is adopted to allocate resources for the whole network equipment, and the resource management device allocates the resources uniformly for the service configuration of each slice example because the use range of the resources is not limited, so that the resources can be completely utilized, and the effect of improving the resource utilization is achieved.
One of ordinary skill in the art will appreciate that all or some of the steps of the methods, systems, functional modules/units in the devices disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof.
In a hardware implementation, the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed by several physical components in cooperation. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.
The preferred embodiments of the present invention have been described above with reference to the accompanying drawings, and are not to be construed as limiting the scope of the invention. Any modifications, equivalents and improvements which may occur to those skilled in the art without departing from the scope and spirit of the present invention are intended to be within the scope of the claims.
Claims (10)
1. A method of network slice resource management, the method comprising the steps of:
the network slice example obtains the service key value and the table item attribute information of the service according to the service configuration issued by the slice management device;
the network slice example receives the table index information distributed to the service by the resource management device according to the service key value by sending the service key value of the service to the resource management device;
and the network slice example writes the table item attribute information into the chip table item position indicated by the table item index information according to the table item index information so as to complete the resource management of the service.
2. The method of claim 1, wherein the network slice instance comprises a forwarding control module and an entry configuration module; the obtaining, by the network slice example, the service key value and the entry attribute information of the service according to the service configuration issued by the slice management device includes:
the forwarding control module of the network slice example obtains a service key value and table item attribute information of the service according to the service configuration issued by the slice management device;
and the forwarding control module of the network slice example sends the service key value and the table item attribute information of the service to the table item configuration module of the network slice example.
3. The method of claim 2, wherein the network slice instance receives entry index information allocated to the service by the resource management device according to a service key value by sending the service key value of the service to the resource management device comprises:
the forwarding control module of the network slice example sends the service key value of the service to the resource management device, so that the resource management device distributes table index information for the service according to the service key value of the service, and sends the service key value and the table index information to the table configuration module of the network slice example.
4. The method of claim 1, wherein the entry index information is index position information of a chip entry.
5. A method of network slice resource management, the method comprising the steps of:
the resource management device distributes table index information for the service corresponding to the service key value according to the service key value sent by the network slice example;
and the resource management device sends the table item index information to the network slice instance so that the network switching instance writes the table item attribute information into the chip table item position indicated by the table item index information according to the table item index information, thereby completing the resource management of the service.
6. An apparatus for network slice resource management, comprising:
the acquisition module is used for acquiring a service key value and item attribute information of a service according to the service configuration issued by the slice management device;
a receiving module, configured to receive entry index information allocated to the service by the resource management device according to a service key value by sending the service key value of the service to the resource management device;
and the writing module is used for writing the table item attribute information into the chip table item position indicated by the table item index information according to the table item index information so as to complete the resource management of the service.
7. An apparatus for network slice resource management, comprising:
the distribution module is used for distributing table item index information for the service corresponding to the service key value according to the service key value sent by the network slice example;
and the sending module is used for sending the table item index information to the network slice instance so that the network switching instance writes the table item attribute information into the chip table item position indicated by the table item index information according to the table item index information so as to complete the resource management of the service.
8. A system for network slice resource management, comprising:
a network slice example, configured to obtain a service key value and entry attribute information of a service according to service configuration issued by a slice management device, receive entry index information allocated to the service by the resource management device according to the service key value by sending the service key value of the service to the resource management device, and write the entry attribute information into a chip entry position indicated by the entry index information according to the entry index information, so as to complete resource management of the service;
and the resource management device is used for distributing table item index information for the service corresponding to the service key value according to the service key value sent by the network slice example and sending the table item index information to the network slice example.
9. An apparatus for network slice resource management, the apparatus comprising a memory, a processor, a program stored on the memory and executable on the processor, and a data bus for enabling communications of connections between the processor and the memory, the program when executed by the processor implementing the steps of the method for network slice resource management as claimed in any one of claims 1 to 5.
10. A storage medium for computer readable storage, wherein the storage medium stores one or more programs which are executable by one or more processors to implement the steps of the method of network slice resource management of any of claims 1 to 5.
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