Real-time migration method of service function chain applied to cloud computing network

A technology of service function chain and real-time migration, applied in the design field of service function chain real-time migration method, can solve the problems of not taking into account the characteristics of fog computing network and related constraints, unable to take advantage of fog computing and other problems, achieving low blocking rate and low cost , the effect of small mapping blocking rate

Active Publication Date: 2018-03-20
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although the VDC-M algorithm can realize the reconfiguration and migration of the virtual data center, it is aimed at the migration of the virtual data center. Function chain migration provides good performance

Method used

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  • Real-time migration method of service function chain applied to cloud computing network
  • Real-time migration method of service function chain applied to cloud computing network
  • Real-time migration method of service function chain applied to cloud computing network

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Embodiment Construction

[0033] Exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be understood that the implementations shown and described in the drawings are only exemplary, intended to explain the principle and spirit of the present invention, rather than limit the scope of the present invention.

[0034] Embodiments of the present invention provide a method for real-time migration of service function chains applied to cloud computing networks, such as figure 1 As shown, including the following steps S1 to S12:

[0035]S1. According to the target physical network and its resource constraints, construct the initial SFC migration mapping request queue ArrivedSFC, and set the initial total reconfiguration cost Tcost=0, the initial blocked SFC migration request set SFC blo Is empty.

[0036] S2. Judging whether the ArrivedSFC is empty, if so, go to step S12, otherwise go to step S3.

[0037] S3. Release the resource...

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Abstract

The invention discloses a real-time migration method of a service function chain applied to a cloud computing network. The method includes the following steps: when remapping and migrating service function chain requests, considering each virtual network function and link connection condition in each service function chain request, and remapping and migrating the service function chain requests with the goal of consuming the minimum server resources and bandwidth resources and reducing the migration time, downtime and blocking rate of the service function chain migration requests in the case of meeting relevant constraint conditions. According to the method disclosed by the invention, the specificity of the service function chain requests is comprehensively considered, the common bandwidthresource requirements and server resource requirements are optimally configured, and the advantages of wide application scope, low remapping cost, short downtime, low mapping blocking rate and the like can be achieved.

Description

technical field [0001] The invention belongs to the technical field of network function virtualization, and in particular relates to the design of a method for real-time migration of a service function chain applied to a cloud computing network. Background technique [0002] In recent years, in order to solve the "rigidity" problem of traditional networks, researchers have proposed network virtualization technology. With the development of network virtualization technology, researchers have proposed network function virtualization technology (Network Function Virtualization, NFV), through network function virtualization technology, physical resources can be virtualized into virtual network function (Virtual Network Function, VNF) , and virtual network functions can be isolated from each other, thereby replacing traditional network functions implemented by dedicated hardware, thereby reducing the deployment of dedicated hardware, improving network flexibility and reducing net...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/46H04L29/08
CPCH04L12/4641H04L67/10H04L67/51H04L67/563
Inventor 孙罡赵东成廖丹虞红芳孙健
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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