With the enhancement of bandwidth and quality demands for client service

a feature of optical communication currently is client has been the most space of technology and market. This paper points out the development trend of optical communication migrating to client firstly

analyzes the characters of client optical communication. Then introduces several technology approaches of optical communication migrating to client

analyzes the characteristic when PON is applied in the client optical communication network. At last

the authors further discuss the networking problem of client’s access.