CN-116319301-B - Resource management method and system suitable for multi-mode network

CN116319301BCN 116319301 BCN116319301 BCN 116319301BCN-116319301-B

Abstract

The invention provides a resource management method and a system suitable for a multi-mode network, which belong to the technical field of Internet, wherein a hierarchical network knowledge base is constructed to record attribute information and state information of resources belonging to each network, address and sense various resources of different network domains, the domain network knowledge base records attribute and state information of various forwarding devices governed by the domain network knowledge base, position and service information of an access terminal, and reports related addressing information to a global knowledge base of a core network, and the core network global knowledge base stores addressing information about devices, terminals and services provided by the domain network knowledge base and provides inquiry interfaces or active pushing for other edge networks. The invention can carry out high-efficiency addressing and state fine granularity sensing on related resources of various access terminals and forwarding devices under different modal networks, thereby greatly improving the manageability and controllability of the network.

Inventors

ZOU TAO
ZHANG RUYUN
FENG BOHAO
Luo Hanguang
Tian Aleteng
Huang Yunxue

Assignees

之江实验室
北京交通大学

Dates

Publication Date: 20260505
Application Date: 20230106

Claims (9)

1. A method of resource management for a multi-modal network, comprising: Constructing a hierarchical network knowledge base to record attribute information and state information of resources under each network, and addressing and sensing various resources in different network domains; The network knowledge base of each domain records the attribute and state information of various forwarding devices governed by the network knowledge base of each domain, the position and service information of the access terminal, and reports relevant addressing information to the global knowledge base of the core network; The core network global knowledge base stores addressing information about equipment, terminals and services provided by the edge network knowledge base and provides inquiry interfaces for other edge networks; The interaction flow of the access terminal and the access forwarding equipment thereof and the network knowledge base comprises the following steps: the access terminal initiates an access request to the access forwarding equipment and informs the access terminal of the terminal identification TID, the mode type PID and the related authentication information of the access terminal; After the necessary authentication is completed, the access forwarding equipment allocates a corresponding position identifier LID for the access forwarding equipment according to the mode supported by the access terminal, and registers the binding relation of the access terminal TID-PID-LID/-BID to a local knowledge base of the network; the local knowledge base stores the relevant information after receiving the relevant information, and records the supported mode and the access position of the access terminal; The local knowledge base of the affiliated network needs to continuously register the position information of the access terminal, namely TID-HID-PID-LID/-BID, to the global knowledge base of the core network, so that other networks can learn the access network where the access terminal is located, the supported modes, the specific positions and the provided business services, and realize the global addressing of the access terminal; And after the access terminal moves, the new access forwarding equipment updates the position information of the access terminal to the local knowledge base of the affiliated network, and the new access forwarding equipment needs to continuously update the position information of the access terminal to the global knowledge base of the core network after receiving the position information.
2. The resource management method for a multi-modal network according to claim 1, wherein the interaction flow of the network forwarding device with the network knowledge base comprises: after the network forwarding device is started, registering the initial device representation DID of the network forwarding device to the network knowledge base through a control link; The network knowledge base checks whether the DID of the network forwarding equipment is repeated with the DID of the registered equipment, if so, informs the network forwarding equipment that the registration fails and requires the network forwarding equipment to regenerate the DID, and then carries out registration; The network forwarding device registers device description information with a network knowledge base to which the device belongs, wherein the static information comprises hardware parameters of the device and the dynamic information comprises configuration information, running state information and neighbor reachability information of related addresses of the device.
3. The resource management method according to claim 2, wherein the address configuration information is used to indicate a home network where the current forwarding device is located, and an interface address corresponding to a modality where each interface is located.
4. The resource management method for a multi-mode network according to claim 2, wherein the running state information is used for indicating the interface forwarding state of the current forwarding device, that is, the average throughput of each interface in a certain period of time and the average throughput of each interface in each mode.
5. The resource management method for a multi-modal network according to claim 2, wherein the neighbor reachability information is used to indicate the connection relationship between the current forwarding device and its neighbors, and the neighbor nodes on each interface are detected by periodically transmitted Hello packets and the round trip delay therebetween is recorded.
6. The resource management method applicable to a multi-modal network according to claim 1, wherein implementing the resource interview of different-modality access terminals according to the resource virtual modality mapping method includes: After accessing to the network, the access terminal registers the single-mode resource information to the network knowledge base to which the access terminal belongs; the network knowledge base aggregates local resource information and distributes other mode identifiers supported by the network for the access terminal of each mode; the network knowledge base reports all resource information of a local original mode and a virtual mode to a core network global knowledge base, and effective addressing under a global multi-mode is realized by means of the resource information; The core network knowledge base announces relevant resource information to the local knowledge bases of all other edge networks.
7. A resource management system adapted for a multi-modal network based on the method according to any one of claims 1-6, characterized by comprising: The hierarchical network knowledge base is used for recording attribute information and state information of resources belonging to each network and addressing and sensing various resources of different network domains; the local knowledge base of the edge network is used for recording the attribute and state information of various forwarding devices governed by the local knowledge base, the position and service information of the access terminal and reporting relevant addressing information to the global knowledge base of the core network; the global knowledge base of the core network is used for storing addressing information about equipment, terminals and services provided by the knowledge base of the edge network and providing inquiry interfaces or active pushing for other edge networks.
8. A computer readable storage medium having stored thereon a computer program, which when executed by a processor implements a resource management method for a multimodal network according to any of claims 1-6.
9. An electronic device comprising a processor, a memory and a computer program, wherein the processor is connected to the memory and the computer program is stored in the memory, characterized in that the processor executes the computer program stored in the memory when the electronic device is running, to cause the electronic device to execute instructions for implementing the resource management method suitable for a multimodal network according to any of claims 1-6.

Description

Resource management method and system suitable for multi-mode network Technical Field The invention relates to the technical field of Internet, in particular to a resource management method and system suitable for a multi-mode network. Background The existing internet has long been difficult to meet the complex communication demands of users becoming diversified nowadays due to the insufficient original design. For this reason, it is imperative to design a new generation of information network. In recent years, a great number of research projects are started in various countries of the world to redesign network systems and key technologies from different angles, so as to comprehensively improve the transmission efficiency and service quality of the network. For example, SDN (SoftwareDefinedNetworks) adopts the idea of "control and forwarding separation", and manages data transmission of the forwarding device through a logically centralized controller, so as to implement differentiated and controllable forwarding of the traffic flow. The ICN (Information-Centric Networks) network evolves the traditional end-to-end channel transmission into hop-by-hop sharing distribution based on Information, and the transmission efficiency of the network is obviously improved. Along with the continuous emergence of novel network paradigms with various characteristics, the effective support of diversified technologies to different application scenes is achieved, and the innovation era of network multi-mode simultaneous gathering, storage and sharing innovation is coming. However, the establishment of the multimode fusion network with complementary advantages and open inclusion is still in the starting stage, and in particular, many technical challenges are still faced on the key basic problems of global resource management and the like. Disclosure of Invention The invention aims to provide a resource management method and a system suitable for a multi-mode network, which are used for realizing effective addressing and state fine granularity perception of various network resources under different mode networks by constructing a hierarchical knowledge base with multi-dimensional identifiers as indexes, so as to solve at least one technical problem in the background technology. In order to achieve the above purpose, the present invention adopts the following technical scheme: in one aspect, the present invention provides a resource management method applicable to a multi-modal network, including: Constructing a hierarchical network knowledge base to record attribute information and state information of resources under each network, and addressing and sensing various resources in different network domains; The network knowledge base of each domain records the attribute and state information of various forwarding devices governed by the network knowledge base of each domain, the position and service information of the access terminal, and reports relevant addressing information to the global knowledge base of the core network; the core network global knowledge base stores addressing information about devices, terminals and services provided by the edge network knowledge base and provides query interfaces to other edge networks. Preferably, the interaction flow of the network forwarding device and the affiliated network knowledge base includes: after the network forwarding device is started, registering the initial device representation DID of the network forwarding device to the network knowledge base through a control link; The network knowledge base checks whether the DID of the network forwarding equipment is repeated with the DID of the registered equipment, if so, informs the network forwarding equipment that the registration fails and requires the network forwarding equipment to regenerate the DID, and then carries out registration; The network forwarding device registers device description information with a network knowledge base to which the device belongs, wherein the static information comprises hardware parameters of the device and the dynamic information comprises configuration information, running state information and neighbor reachability information of related addresses of the device. Preferably, the address configuration information is used for indicating a home network where the current forwarding device is located, and an interface address corresponding to a mode where each interface is located. Preferably, the running state information is used for indicating the interface forwarding state of the current forwarding device, that is, the average throughput of each interface in a certain time and the average throughput of each interface in each mode. Preferably, the neighbor reachable information is used for indicating the connection relation between the current forwarding device and the neighbor, and the neighbor nodes on each interface are detected through the periodically sent Hello packets and the round trip