Research Based On Load Balancing Mapping Algorithm For Virtual Elastic Optical Network

With computer technology progress,the Internet has entered the period of rapid development,all aspects of people live and work produced profound effect.However,at present the architecture of the Internet is hard to meet people's growing network quality of service requirements.In addition,in recent years,the gradual emergence Internet technology such as cloud computing,physical network and big data is put higher requirements to the current Internet architecture.The emergence of elastic optical network virtualization technology provides a new way of thinking to solve the current network architecture problem such as quality of service,security,extensible.Elastic optical network technology not only can meet the demand of huge amounts of information transmission,but also overcome the limitation of the traditional optical network fixed grid,greatly improve the spectrum utilization.Network virtualization technology has solved the problem such as rigidity,resource sharing,increases the flexibility and scalability of the network.The integration of these two technologies has become a very promising future generation network architecture.However,in the face of a large number of resource requirements,how to allocate resources reasonably,improve the utilization rate of network resources,and provide services for more business requests are the key issues facing the virtual technology of flexible optical network.In view of the above problems,this paper firstly makes a research on the basic theory and the development status of the two technologies of elastic optical network and network virtualization.And then,based on the resource allocation problem of elastic network virtualization technology,this paper proposes a virtual network mapping algorithm based on node load balancing and the link load balancing algorithm.The two algorithms are based on the optimization of physical optical node and physical optical link load.Finally,the simulation experiment platform is built up with C++ programming language.The proposed algorithm is verified by simulation results.The results show that the proposed algorithm has better performance than the traditional algorithm.