At the moment, a few companies access technology, which is in general used is flawed: Traditional Huawei SDH and Huawei MSTP have good business bearing capacity with high cost, and mainly used to high-end business enterprise customers who are very concerned about quality; xDSL access to multi-service bearing with low potential, and only can be used to small voice and low rate of broadband of low-end application; in middle-end, there will present the DDN, PDH, Ethernet mixed with a variety technologies, these techniques in many business bearing capacity, reliability and maintainability, etc, all have their own limitations, and it is difficult to meet the demand of the whole business of access in the new period. At this situation, build a enterprise access network to meet the needs of most corporate customers, capable of carrying a comprehensive enterprise with various business, to maintain, easy to manage has become the priority of the operators.
Along with the light into the copper retreated In-depth development of the process, the PON network bandwidth upgrade, business hosting and passive network maintenance and other advantages of gradually is accepted by the operator.Recently, some global mainstream operators began to access GPON technology was applied to enterprises, makes the GPON has been the star of the access plan of the enterprise technology.