The Connotation and Development Trend of SoftSwitch
Huang Rong-zh · Modern Computer · 2002
Conventional circuit switch network based on telephone service is difficult to provide flexible and sophisticated services.However(NGN)Next Generation Network,which could provide broadband multimedia service integrated with voice、video and data,would combine narrowband and broadband,wire and wireless,passive and active,access and transmission altogether.The key technology of NGN is Soft-Switch which adopts the advantages of IP、ATM、IN、TDM etc.It forms an exoteric layered architecture in order to provide all kinds of services easily and emerge NGN from current network.The dissertation expoundes the connotation,actuality and development trend of SoftSwitch,as well as construes its market foreground and technical difficulties.The SoftSwitch will exert a deep influence on infrastructure of information industry,and China should grasp the opportunity to pluck up the national industry.