Method and system for realizing load balancing between virtualized network elements, and virtualized network element

Abstract

The invention discloses a method and system for realizing load balancing between virtualized network elements, and a virtualized network element. The method comprises: a sending terminal network element obtains spare load and resource information of all receiving terminal network elements; and the sending terminal network element selects a proper target receiving terminal network element according to the obtained spare load and resource information of all receiving terminal network elements. According to the invention, on the premise that the signaling and message interfaces between network elements are not modified, the sending terminal network element selects a proper target receiving terminal network element dynamically according to the obtained current spare load and resource information of all receiving terminal network elements, so that the flow of the signaling and message that are sent to the receiving terminal network element is adjusted, the load balancing between the receiving terminal network elements in the telecommunication network is guaranteed, the utilization rate of the device resources of the receiving terminal network elements is improved, and the rule of distribution based on needs of resources needed by network function virtualization is met. Therefore, the service continuity of the telecommunication network is improved.

Description

technical field [0001] The invention relates to the virtualization technology of telecommunication network functions, in particular to a method and system for realizing load balancing between virtualized network elements and virtualized network elements. Background technique [0002] In order to improve equipment resource utilization, service deployment efficiency, and reduce operation and maintenance costs, telecom network function virtualization is the general trend. The European Telecommunications Standards Institute (ETSI, European Telecommunications Standards Institute) has formulated the Telecom Network Function Virtualization (NFV, Network Functions Virtualization) protocol standard, defined the end-to-end reference architecture in the ETSI NFV technical specification, and introduced network function virtualization into the end-to-end reference architecture Orchestrator (NFVO, NetworkFunctionsVirtualizationOrchestrator, also known as Orchestrator), virtual network fun...

AI Technical Summary

Problems solved by technology

[0007] Some adopt the receiving-end load balancing mechanism, that is, after the receiving-end NE receives signaling and message requests, if the receiving-end NE itself has a heavy load, the receiving-end NE forwards it to other similar NEs for processing. It leads to detours of signaling and request messages, wastes network resources and increases message processing delay, thus affecting user experience

[0008] Or, some use the sending-end load balancing mechanism, but generally a new gateway device will be added between the sending-end NE and the receiving-end NE, and the gateway device will select the appropriate receiving-end NE. New equipment is added between the network element and the receiving network element, which changes the telecom network architecture and increases the complexity of the telecom network

[0009] According to the above analysis, it can be seen that after network function virtualization, if the originating network element selects the receiving network element in the traditional way, it will lead to unbalanced load among network elements, which cannot meet the principle of on-demand resource allocation required by network function virtualization. And the load and resource idle information between network elements cannot be transmitted by modifying the protocol interface between network elements

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