The Analyzes And Optmized Design For Jinhua Mobile's Metropolitan Area Network

In recent years,as the developmet of communication,various new types of internet services have developed rapidly.The content on the internet has undergone huge changes.The rise of live streaming,small videos,IPTV and other contents has strongly impacted the traditional internet industry.In the future,the industries like tele medicine and distance education are emerging.The common characteristic of these services is the high standard of network bandwidth,they are very sensitive to both the network delay and stuttering.In order to satisfy the needs of customers,and in response to the call of the State Council,the operators in different cities have begun a new round constructions of the local MANs(metropolitan area network).This essay analyzes the current structure of Jinhua mobile MAN,as well as the problems need to be fixed,discusses the key technologies that MAN uses,and also analyzes how to satisfy customer services.Focusing on the existing problems of Jinhua MAN,this essay analyzes three main issues,also states three goals that can optimize the current situation.As for the performance stagnation of old equipment,we can replace and update the equipment.For high-utilization data MAN links and high-load BRAS equipment,new equipment and link expansion were proposed.For the stuttering of network bandwidth,this essay proposed that moving the CDN equipment from core layer to the service access layer which is at the same level as the BRAS equipment.In this case,users can obtain network resources nearby so that they can reduce the possibility of stuttering when they using the services like videos.In addition,this essay discusses the relevant application of IPV6 address in MAN,how to provide IPV6 services to household broadband users,and the plans of IPV6's ND and PD address for Jinhua mobile household broadband users.In the end,the discussion of improvements for the three problems mentions earlier shows the differences before and after the perfection of Jinhua MAN,shows the handling ability of Jinhua MAN regarding to the increase of user's rate and user's quantity.It reflects the high-performance of Jinhua MAN,also states a comprehensive evaluation for MAN.Last but not the least,this essay states a brief analysis and outlook on the future of Jinhua mobile MAN.