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Service functional chain deployment method of transmission delay optimization

A service function chain and transmission delay technology, applied in the field of network transmission delay optimization, can solve problems such as deploying service function chain requests, and achieve the effects of low transmission delay, reduced blocking rate, and low blocking rate

Active Publication Date: 2017-11-24
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Problems solved by technology

[0009] The purpose of the present invention is to solve the problem of how to successfully deploy a service function chain request under the optimization goal of a small service function chain delay, and propose a service function chain deployment method with transmission delay optimization

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  • Service functional chain deployment method of transmission delay optimization
  • Service functional chain deployment method of transmission delay optimization
  • Service functional chain deployment method of transmission delay optimization

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Embodiment Construction

[0037] 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.

[0038] The embodiment of the present invention provides a service function chain deployment method with transmission delay optimization, such as figure 1 As shown, including the following steps S1-S7:

[0039] S1. According to the target underlying network topology, build a service function chain request set SFC set , and calculate the network node resource evaluation value And network link resource evaluation value

[0040] Among them, the evaluation value of network node resources The calculation formula is:

[0041]

[0042] Where N is the set of nodes in the target underlying network topology, |N| represe...

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Abstract

The invention discloses a service functional chain deployment method of transmission delay optimization. A service functional chain is deployed with shortening delay of the service functional chain being a main purpose, merging and splitting of network functions are combined, and meanwhile a deployment path with the shortest delay is sought. According to the method, merging and splitting algorithms are adopted for the transmission delay problem, a merging-splitting model is established, meanwhile a brand new algorithm seeking the shortest path is brought up, and p shortest paths can be sought simultaneously to deploy the service functional chain. According to the service functional chain deployment method of the transmission delay optimization, on the basis of shortening the delay of the service functional chain, a higher receptance and a shorter responding time for deploying the service functional chain are achieved. Besides, the method can avoid segmentation of resources, and maintain the robustness of networks.

Description

technical field [0001] The invention belongs to the technical field of network transmission delay optimization, and in particular relates to the design of a service function chain deployment method for transmission delay optimization. Background technique [0002] In traditional networks, network administrators directly deploy many network functions on specific hardware devices, such as network address translation, load balancing, firewalls, gateways and intrusion detection systems, etc. However, such a deployment solution leads to the rigidity of the entire network, making it difficult for the entire network to change and adapt rapidly with the development of the times and technologies. At the same time, deploying corresponding hardware for the network functions required by each network user will also consume a lot of manpower and resource costs. The entire network is too bloated and expensive, which is not conducive to the development of the network society. Moreover, wit...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/727H04L12/24H04L45/121
CPCH04L41/5041H04L45/121
Inventor 孙罡朱光扬廖丹虞红芳孙健
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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