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NFV service chain mapping method for cost and QoS

A mapping method, service-oriented technology, applied in the direction of digital transmission system, data exchange network, electrical components, etc., can solve the problem of reducing service function chain, no service chain deployment overhead optimization, no consideration of user service quality requirements, etc.

Active Publication Date: 2019-11-26
STATE GRID CORP OF CHINA +1
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  • Claims
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AI Technical Summary

Problems solved by technology

The disadvantage of technical solution 2 is that it does not consider the user's requirements for the quality of service of the business
[0011] Technical solution 3 aims to reduce the end-to-end delay of the service function chain and improve the request acceptance rate and resource utilization under the premise of ensuring the basic reliability requirements of deployment. However, technical solution 3 seeks to reduce the Latency, without optimizing the deployment overhead of the service chain, ignoring the interests of operators

Method used

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  • NFV service chain mapping method for cost and QoS
  • NFV service chain mapping method for cost and QoS
  • NFV service chain mapping method for cost and QoS

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Embodiment Construction

[0055] In order to make the object, technical scheme and advantages of the present invention clearer, the following in conjunction with the attached Figure 1-Figure 5 and specific examples to clearly and completely describe the invention.

[0056] This embodiment relates to a cost- and QoS-oriented NFV service chain mapping method, the purpose of which is to reasonably and effectively schedule and allocate limited network resources for service chains on the premise of ensuring the basic service quality requirements and resource requirements of users for services , reduce the operator's deployment overhead, increase the request receiving rate, and obtain higher deployment benefits.

[0057] In order to achieve the purpose, this embodiment first establishes a service chain mapping model oriented to service quality assurance and cost optimization. The mathematical model takes the user's reliability requirements, delay requirements and other basic service quality requirements an...

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Abstract

The invention discloses an NFV service chain mapping method for cost and QoS, which belongs to the technical field of networks. The method comprises the following steps: establishing a service chain mapping model oriented to service quality assurance and cost optimization, and setting a comprehensive optimization target of the service chain mapping model by the service chain mapping model by taking a service quality demand and a resource demand as limiting conditions; solving the service chain mapping model by using a greedy algorithm GA + LCB. According to the invention, on the premise of guaranteeing the basic service quality requirement and resource requirement of the user for the service, the service chain can reasonably and effectively schedule and allocate limited network resources,the deployment overhead of an operator is reduced, the request receiving rate is improved, and higher deployment income is obtained.

Description

technical field [0001] The invention relates to a cost- and QoS-oriented NFV service chain mapping method, which belongs to the field of network technology. Background technique [0002] Traditional communication networks rely on dedicated hardware devices to implement the network functions required by the business. The network architecture also presents a closed feature of integrated control and forwarding, resulting in increased network deployment costs and increased network complexity. Network Function Virtualization (Network Function Virtualization, NFV) technology uses general-purpose hardware devices, and uses software and virtualization technology to implement network functions, which can greatly alleviate this situation and improve the flexibility of network deployment. [0003] An important application of NFV technology is to provide services for service requests in the form of service function chains. The service function chain of NFV defines a collection of virtu...

Claims

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Application Information

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IPC IPC(8): H04L12/24
CPCH04L41/50H04L41/5003H04L41/145
Inventor 胡文建张益辉赵会峰李井泉刘彦军苏汉董祯马岩李旭东徐良燕张颖何利平陈方孙静杨阳王琳王丽华郭思炎张伟孙莹晖王聪朱庆洋王宇康
Owner STATE GRID CORP OF CHINA
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