Method in network function virtualization and VNF (Virtual Network Function) device with full storage of local state and remote state

A technology of network function virtualization and local memory, applied in the field of VNF devices, it can solve the problems of complex operation of VNF cluster capacity reduction and expansion and fault recovery, so as to improve the fault recovery ability and capacity reduction and expansion ability, and solve the effect of tight coupling.

Active Publication Date: 2021-12-03
BEIJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0005] Aiming at the problems in the prior art, this application provides a method in network function virtualization and a VNF device with full storage of local state and remote state, which can solve the close relationship between state and processing of virtualized network functions in related technologies. Coupling, resulting in complex operations for VNF cluster scaling and fault recovery

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  • Method in network function virtualization and VNF (Virtual Network Function) device with full storage of local state and remote state
  • Method in network function virtualization and VNF (Virtual Network Function) device with full storage of local state and remote state
  • Method in network function virtualization and VNF (Virtual Network Function) device with full storage of local state and remote state

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[0029] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

[0030] During research, the inventor found that the storage modes of the existing VNF models can be roughly divided into the following three types:

[0031] Local state storage only: Early works on NFV management often assumed that Network Function (NF) state was partitionable, so they did not address the issue of shared state. Some address scaling is only fo...

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Abstract

The embodiment of the invention provides a method in network function virtualization and a VNF device with full storage of a local state and a remote state. The method comprises the following steps that: a state of a virtualized network function is generated; and the states are stored in a local memory and a remote data storage library respectively, the states in the local memory are used for accessing and reading the virtualized network function VNF, and the states in the remote data storage library are used for confirming the states. According to the invention, the fault recovery capability and the capacity shrinkage and expansion capability of the VNF can be improved, the time delay is ensured not to be influenced, and the state synchronization is realized.

Description

technical field [0001] The present application relates to the field of virtualized network functions, in particular to a method in network function virtualization and a VNF device for fully storing local and remote states. Background technique [0002] Network Function Virtualization (NetworkFunction Virtualization, NFV) is proposed by the European Telecommunications Standards Institute (ETSI), used for computing, storage and network hardware resources, virtualization and VNF three layers and a management orchestration (Management and Orchestration, MANO) Domains jointly build the NFV system architecture. Virtualized network functions (Virtual Network Function, VNF) are implemented with the proposal of NFV, such as code converters, firewalls, etc., these functions are performed by specialized hardware devices, and they are all converted on software-based devices . [0003] The storage modes of the VNF model in related technologies can be roughly divided into modes of only ...

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Application Information

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IPC IPC(8): H04L29/06H04L29/08H04L29/12G06F9/455
CPCH04L63/0209H04L61/2517G06F9/45558G06F2009/45595H04L67/60
Inventor 张娇罗惠民潘恬黄韬
Owner BEIJING UNIV OF POSTS & TELECOMM
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