核心网技术交流GPRS.ppt

All rights reserved ? 2005, Alcatel 核心网技术交流 GPRS Core MSD/MCG/ASB All rights reserved ? 2005, Alcatel Presentation Title / Date Page 2 大纲 核心网设备的体系架构与模块组成 各模块完成的功能 各模块配置原则 设备处理能力的指标 All rights reserved ? 2005, Alcatel Presentation Title / Date Page 3 核心网设备一览 iGGSN SGSN PSCN RACK OMC CN Charging Gateway All rights reserved ? 2005, Alcatel Presentation Title / Date Page 4 核心网设备一览 PSCN Backbone(s) HLR MSC/VLR Packet Data Networks DNS Inter-PLMN Backbone Lawful Interception Firewall Charging Gateway OMC-CN External DNS NTP Server Gs Gr Ga Gn Gi Gp [Border Gateway] SMS-C SCP UTRAN ATM Backbone iGGSN ATM Cross-Connect Iu-PS 3G SGSN BSS with PCU Gb 2G SGSN 2G/3G SGSN Frame Relay Backbone EIR Gd, Ge, Gf Border Router Firewall WAP GW MMS Relay Radius Alcatel 1000 iGGSN Alcatel 1000 SGSN Alcatel 1300 OMC-CN Alcatel 8965 CG U3.1 U3.1 U3.2 2G SGSN 3G SGSN Legacy SGSNs (Unix-based) Legacy 7206 GGSNs Alcatel PSCN rack All rights reserved ? 2005, Alcatel Presentation Title / Date Page 5 SGSN U3.1 体系架构及模块构成 SS7 Blades Pilot Blades Storage Disks Blades 3G Control Blades (3A) GPU Board (2A) PPU Board (3A) 2G Control User Plane Blades (2A) GPU/PPU SUBRACK TOMIX ATCA PLATFORM LSN (internal control LAN) Iu FRONT-END (3A) Ethernet Switch/Router All rights reserved ? 2005, Alcatel Presentation Title / Date Page 6 SGSN U3.1 (2A 与 3A 结构对比 ) U3.1 2A U3.1 3A GPU PPU All rights reserved ? 2005, Alcatel Presentation Title / Date Page 7 SGSN 各模块完成的功能－ U3.1 2A GPU IP Backbone(s) Charging Gateway BSS HLR SS7 Backbone(s) SCP MSC/VLR Gb Gn, Ga Gr, Gs, ... NB SS7 Control/User Planes Gb/Gn i GGSN SS7 Blades Pilot Blades 2G Control User Plane Blades All rights reserved ? 2005, Alcatel Presentation Title / Date Page 8 SGSN 各模块完成的功能－ U3.1 3A IP