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Click to edit Master title style,Click to edit Master text styles,First level,Second level,Third level,Fourth level,Fifth level,目录,诺基亚,GPRS,核心网产品介绍,诺基亚网管产品介绍,GPRS,工程网络规划思路和方案汇报,诺基亚,GPRS,网络维护系统介绍,诺基亚,GPRS,核心网维护实例讲解,诺基亚,GPRS,核心网网络优化介绍,诺基亚,GPRS,核心网产品介绍,诺基亚高性能的全套,GPRS,核心网设备,BG,Operator,GPRS backbone,DNS,SGSN,HP server rp2400,Nokia IP1260 Router,Check Point,TM,FireWall-1,TM,Nokia Border Gateway,Cisco Catalyst,6509 or 3750,switches,Switch,Router,Cisco Router,GGSN,FW,Nokia SGSN,Nokia Flexi-ISN,CG,HP rx2620,Nokia,GPRS,SGSN,电信级高可靠性平台,:,分布式多处理器系统(年平均宕机时间,0.7,秒,高容错冗余设计,(2,N,N+1 redundancy),灵活的配置,模块化的设计便于扩容,:,用户管理,包交换处理,支持最多的接口类型(,ETSI,定义的所有接口,包括,Gs,Gd,等),大容量,扩展性设计:,大容量包交换处理能力(,200M bps/s,),大容量的用户数据库(,640,万附着用户,/SGSN,),忙时的短信处理能力(300,000,条 短 信/忙 时),Intel Pentium processors and Compact PCI bus,优良的连接性能,3072,64,kbps,帧 中 继 链 路 连 接,BSS,18,个 以 太 网 接 口 连 接,GPRS,骨 干 网,240,个,E1,和,128,个,SS7,信 令 链 路 连 接,NSS,网 络,诺基亚,GPRS,主要功能,移动性管理,对话管理,加密,压缩,计费,统计,诺基亚,SGSN,系统架构,数据包处理单元,(PAPU),User data processing and relaying to/from BSS from/to Packet core network,IN control,Gb,Gn,Gp,信令和移动性管理单元,(SMMU),Mobility management,Gr,Gs,Gd,Gf and SCP,标志器和计费单元,(MCHU),CDR creation,statistics,subscriber database distribution,PTMSI allocation,Ga,操作维护单元,(OMU),Diagnostics,alarms,supervision,hw&sw configuration,时钟和同步单元,(CLS),Distribution of timing reference signal,交换矩阵,(GSW),Semipermanent connections between PAPU,SMMU,CLS and ET,PCM,接口板,(ET),All 2Mbps PCM interfaces for the Gb,Gd,Gs,Gr,Gf and towards SCP are connected via ETs,高度冗余设计,MCHU,OMU,CLS,GSW,和,MB,采用,2N,备份,PAPU,和,SMMU,采用,N,1,备份,PAPU,SMMU,和,OMU,采用双,LAN,口设计,诺基亚,SGSN,协议栈,L1,L2,IP,UDP,GTP,USER,PAYLOAD,L1,L2,IP,TCP/UDP,APP,LLC,SNDCP,IP,TCP/UDP,APP,RLC,MAC,GSM RF,L1,L2,IP,GTP,L1bis,NW sr,BSSGP,SNDCP,RLC,MAC,GSM RF,BSSGP,NW sr,L1bis,LLC,UDP,MS,BSS,SGSN,GGSN,GPRS IP Backbone,L1,L2,IP,GPRS Bearer,GGSN,Internet,Ciphering and reliable link,Relay,Relay,IP,Um,Gb,Gn,Gi,User information transfer,Compression,segmentation,诺基亚,SGSN,支持的接口,One fully equipped SGSN element provides the following connectivity capacity:,Gn,Gp,Gn,Ga,Gb,SM-SC,SMS-GMSC,SMS-IWMSC,Other PLMN,GGSN,SGSN,SGSN,TE,MT,BSS,EIR,CGF,Billing,System,MSC/VLR,HLR,TE,PDN,GGSN,SCP,Gf,Gs,Gr,Gd,CAP,基于,DX200,的,SGSN,的演进,在,SG6,软件版本(2006),,DX200 SGSN,可以支持3,G,接入,WCDMA,Access,GSM,Access,Nokia2G SGSN(DX),GGSN/ISN,Gb/FR,Gb/IP,Iu/IP,诺基亚,Flexi ISN,(智能业务节点),控制网络,IP,网络,内容提供网络,Cellular,access,Wireless,access,Wireline,access,位于网络的边缘,,Flexi ISN,为数据业务提供单一的、统一的核心网络,1M PDP,激活,,1Gbps,吞吐量,业务识别及区分计费功能,Flexi ISN,的外部接口,NPM/NPS,RADIUS,Server,Radius,LDAP,Ga,Charging,Gateway,OSC/OCS,Radius,Diameter,Gi,Gn,2G&3G,SGSN,ISC/ISD,CPS,Server,Go,LDAP,Gi,IPv4,IP-IP,L2TP,GRE,IPv6,IP-IP,GRE,GTP,SOAP,NE3S/SNMP,NetAct,CNSM 2.0,LIPv1,LIG/LIB,GTP,NAS,Flexi ISN,综述,Flexi ISN,运行在新,的,硬件平台上,(Flexi Server),Flexi ISN,使用,IPSO,操作系统,该操作系统广泛应用,于其他诺基亚产品,如,GGSN,、,TA,Flexi ISN,的可扩展的多进程处理能力提供强大的性能,Flexi ISN,的提供内置的高可用性机制提供强大的可靠性,所有主要功能,如,GGSN,业务感知引擎,流量,&,业务分析和路由功能均在单一平台上提供,Flexi ISN,体系结构,10 RU,业务板卡,双,Intel Pentium IV Xeon 1.6GHz,高达,4GB DDR SDRAM,512kB,缓存,PMC,硬盘,(,可选,),USB,和串行接口支持,接口板卡,双口,GigE(1000-SX),四口,FE,双,Intel Xeon 1.6 GHz,硬盘板卡,300 GB,容量,到背板的光纤通道,交换板卡,无阻点到点连接,冗余备份,16GigE,交换能力,系统信息,14,槽位运营商级机箱,10,个,U,高,一个标准机架可放置,4,台,所有部件支持热插拔,IPMI,用于硬件管理,风扇及,LCD,显示模块,AC,和,DC,电源,GTP-C,和,GTP-U,在同一业务板上进行处理,在,PDP,上下文激活,/,去激活等过程中板间通信量最小,业务板,Gn,Gi,接口板,用户数据,GTP-C,和,GTP-U,在同一业务板上进行处理,IP,Network,PDP,上下文,
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