The Design And Implementation Of NFV Management And Orchestration System

As data traffic continues to grow,operators are increasingly investing in network equipment.The revenue growth of operators is not obvious.To solve above problem,NFV is emerging.Through decoupling software functionality from its dedicated device,it is more flexible to share and schedule resource.Through NFV technology,operators can flexibly move or install network functions in the network according to their needs.By this way,operators can greatly reducing the investment cost,effectively shortening the development cycle of new services,and reducing the difficulty of innovation and expansion of new services.This paper takes the orchestrator in NFV technology as the research object,and aims to design and implement a lightweight system that provides SFC-level orchestration services.In order to implement the system of this paper,this paper firstly investigates and analyzes the existing open source orchestration projects,summarizes the functions and features of each open source platform,on this basis,determines the design concept and functional module division of the system.This paper starts from the perspective of SFC request orchestration,and integrates functions such as SFC request customization,SFC request deployment,and SFC traffic guidance.In the aspect of SFC request customization,this paper is devoted to the creation of SFC through drawing,and adopts HTML5 technology and jTopo technology to implement it.In the aspect of SFC request deployment,this paper designs relevant deployment algorithms according to system requirements and resource models,and its effectiveness has been verified.In terms of SDN traffic guidance,this paper builds the SDN working environment,designs the relevant flow table and the communication interface between the SDN controller and the system,and completes the traffic guidance work.After clarifying the system design concept and main functions,this paper elaborates the design concept and implementation of the system from the aspects of module class diagram,database,communication interface and key function design.Finally,through the deployment and integration test of the system,the rationality and effectiveness of the system functions have been verified.