Liu Duo liuduo@mail.ritt.com.cn CJK4_014 NGN activities in CCSA Liu Duo liuduo@mail.ritt.com.cn

Voice, data and multimedia NGN driven factors Integrated Services Network evolution New technology Voice Voice, data and multimedia Circuit Network Packet Network ASON IPv6 Softswitch MPLS Wireless

NGN standards coverage service addressing architecture NGN signalling QoS security Network evolution equipment

NGN related questions Broadband Access technology ASON transmission technology IPv6 network The bearer network with the guaranteed QoS The control layer such as softswitch or SIP server The application layer such as Parlay and OSA

NGN related Technical Committee Transmission and Access Network IP and multimedia Network and Switching Wireless Communication Network Management Information Security Mobile Internet special group

The detailed standards studied in CCSA The architecture Service/application Layer Control Layer Bearer Layer Transmission Layer

The detailed standards studied in CCSA Transmission and Access Network TC Access network Fixed access ADSL2 ADSL2+ Wireless access IEEE 802 series

The detailed standards studied in CCSA Transmission and Access Network TC Transmission network MSTP ASON

The detailed standards studied in CCSA IP and multimedia TC IP network IPv6 system Addressing and networking Router equipment Protocols

The detailed standards studied in CCSA Network and switching TC Softswitch system The general requirement of Networking and routing of SS The general requirement of service architecture Equipments: SS, IAD, TG, AG, MS, AS, SG Interface Signalling: SIP, BICC, SIP-I, H.248, MGCP, Parlay The network evolution strategy

The detailed standards studied in CCSA Network and switching TC QoS The general requirements The mechanism

The detailed standards studied in CCSA Wireless Communications TC IEEE 802 series 3G B3G

The contributions to ITU-T 24 contributions in the latest NGN JRG meeting Service, architecture and QoS related

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