The Solution Based On IP Metropolitan Area Network

Today, communication service, especially IP service is growing rapidly. It has made a big change in international communication field that influences almost every part of communication. The rapid development of communication service will lead to a larger demand of communication speed and bandwidth. The communication reform will develop towards "multi-service, multi-speed access and integration", so it puts forward a higher demands for bandwidth and transparency.The function of traditional metropolitan area network is to provide business of voice and narrowband data. As the open of management policy and the growth of data business, operators will face to unprecedented opportunity and challenge.Metropolitan area network is located on the cross of the fringe node of backbone network. Its main function is to access, pool, transport and exchange local-task, also pool and absorb business volume from backbone network. Near several years, many advanced technologies have been adopted on the metropolitan area network, the speed has been improved and the business is variety. The market competition the increasing of internet users, the consummating of broadband access, the users are pursuing better bandwidth and are not satisfied with the bandwidth of K grade. Meanwhile, users have growing demands on better service and QOS guarantee. Operators hope their network can support more new business to obtain more benefits. The competition among operators is more furious. All the operators are eager to find growth point of profit. At present, the operators are all strictly control the investment on network and emphasize lowering cost and cutting expense.Under such circumstance, operator focus on how to use effective ways to build new type of network to optimize present network, so that they can improve KPI, be more competitive and maximize income.