软交换技术研究报告

软交换技术研究报告<br /><br /><br />【资料名称】：软交换技术研究报告<br />【作者】：运行维护部移动维护处<br />【语言】：中文<br />【页数】：135<br />【格式】：pdf<br />【发表时间】： 2006<br />【摘要或目录】：<br />基础篇......................................................................7<br />1 背景介绍................................................................7<br />1.1 软交换概念的起源...................................................................................................7<br />1.2 软交换的基本概念...................................................................................................7<br />1.3 引入软交换技术的原因...........................................................................................8<br />2 软交换网络中的基本概念介绍..............................................9<br />2.1 软交换的体系架构...................................................................................................9<br />2.1.1 MSC SERVER................................................................................................10<br />2.1.2 MGW 媒体网关.............................................................................................11<br />2.1.3 IAD综合接入设备..........................................................................................12<br />2.1.4 SG信令网关....................................................................................................12<br />2.1.5 媒体服务器.....................................................................................................12<br />2.1.6 应用服务器.....................................................................................................12<br />2.2 软交换网络的网络结构.........................................................................................13<br />2.3 软交换网络的协议结构.........................................................................................13<br />3 软交换技术的特点.......................................................15<br />3.1 软交换技术的特点分析.........................................................................................15<br />3.2 软交换网络和传统电路交换网的区别.................................................................16<br />4 软交换技术的发展现状...................................................18<br />4.1 国际上软交换相关标准规范的制定情况.............................................................18<br />4.2 国内软交换相关规范标准的制定情况.................................................................19<br />4.3 软交换的应用情况.................................................................................................19<br />4.3.1 国际运营商对软交换的应用情况.................................................................19<br />4.3.2 中国联通对软交换的应用情况.....................................................................20<br />4.3.3 中国移动对软交换的应用情况.....................................................................20<br />4.3.4 国内其它运营商对软交换的应用情况.........................................................20<br />网络篇.....................................................................22<br />1 软交换的组网方式.......................................................22<br />1.1 省网的网络结构.....................................................................................................22<br />1.1.1 方案1：省网基于TDM承载方式.................................................................22<br />1.1.2 方案2：省网基于IP承载..............................................................................23<br />1.1.3 方案比较.........................................................................................................24<br />1.2 骨干网的网络结构.................................................................................................25<br />1.2.1 方案1:利用现有的骨干汇接网.....................................................................25<br />1.2.2 方案2：骨干网引入软交换设备基于TDM承载方式.................................26<br />1.2.3 方案3：骨干网引入软交换设备基于IP承载方式.......................................27<br />1.2.4 方案比较.........................................................................................................29<br />1.3 与其它网络的互通.................................................................................................30<br />2 数据的规划.............................................................31<br />2.1 No.7信令有关局数据的规划................................................................................31<br />2.2 IP地址的规划.........................................................................................................32<br />3 网络的规划与网元的部署.................................................33<br />3.1 软交换网络规划的内容.........................................................................................33<br />2<br />3.2 软交换设备的规划需考虑的问题.........................................................................34<br />3.2.1 如何规划MSC SERVER................................................................................34<br />3.2.2 如何规划MGW...............................................................................................34<br />3.2.3 如何规划Mc、Nc、Nb接口的带宽..............................................................35<br />3.3 软交换设备的部署.................................................................................................37<br />3.3.1 MSC SERVER的部署....................................................................................37<br />3.3.2 MGW的部署...................................................................................................38<br />4 软交换设备的网管.......................................................38<br />接口协议篇.................................................................39<br />1 接口协议概述...........................................................39<br />2 H.248协议.............................................................41<br />2.1 协议介绍：.............................................................................................................41<br />2.2 协议结构：.............................................................................................................42<br />2.3 典型呼叫流程：.....................................................................................................42<br />3 BICC协议...............................................................43<br />3.1 协议介绍：.............................................................................................................43<br />3.2 BICC协议与ISUP协议的比较：...........................................................................44<br />3.3 BICC协议与SIP协议比较：..................................................................................45<br />4 SIGTRAN协议............................................................46<br />4.1 M3UA协议.............................................................................................................47<br />4.2 M2UA协议.............................................................................................................47<br />4.3 M2PA协议..............................................................................................................48<br />4.4 M3UA、M2UA、M2PA的比较............................................................................49<br />5 SCTP协议...............................................................50<br />5.1 协议介绍.................................................................................................................50<br />5.2 协议结构.................................................................................................................50<br />5.3 SCTP协议与TCP协议比较....................................................................................51<br />6 综述...................................................................51<br />技术篇.....................................................................53<br />1 概述...................................................................53<br />2 主要协议流程...........................................................55<br />2.1 H.248协议..............................................................................................................55<br />2.1.1 网关注册.........................................................................................................55<br />2.1.2 网关注销.........................................................................................................56<br />2.1.3 呼叫流程.........................................................................................................56<br />2.2 BICC协议...............................................................................................................58<br />2.2.1 前向快速.........................................................................................................59<br />2.2.2 前向延迟.........................................................................................................60<br />2.2.3 后向延迟.........................................................................................................61<br />2.2.4 小结.................................................................................................................62<br />3 语音编码方式...........................................................62<br />3.1 语音编解码概念.....................................................................................................62<br />3.2 常用语音编解码对比.............................................................................................64<br />4 TRFO/TFO技术...........................................................65 3<br />4.1 TrFO实现方式........................................................................................................65<br />4.2 TFO实现方式.........................................................................................................66<br />4.3 TrFO和TFO的关联与区别.....................................................................................67<br />5 软交换体系的容灾备份方案：.............................................67<br />5.1 MSC SERVER级的容灾........................................................................................67<br />5.1.1 基本方案.........................................................................................................68<br />5.1.2 基本容灾方案的比较.....................................................................................70<br />5.1.3 双归属倒换的实现.........................................................................................71<br />5.1.4 双归属容灾方案小结.....................................................................................71<br />5.2 MGW级的容灾......................................................................................................72<br />5.2.1 A-Flex技术.....................................................................................................72<br />5.2.2 Iu-Flex技术.....................................................................................................74<br />5.2.3 Iu-Flex与A-Flex比较：..................................................................................76<br />5.3 小结.........................................................................................................................76<br />6 IP承载网的安全问题.....................................................77<br />设备篇.....................................................................79<br />1 各个厂家移动软交换设备情况.............................................79<br />1.1 诺基亚软交换设备.................................................................................................79<br />1.2 华为软交换设备.....................................................................................................82<br />1.3 贝尔软交换设备.....................................................................................................85<br />1.4 朗讯软交换设备.....................................................................................................87<br />1.5 西门子软交换设备.................................................................................................89<br />1.6 北电软交换设备.....................................................................................................91<br />1.7 中兴软交换设备.....................................................................................................94<br />1.8 摩托罗拉软交换设备.............................................................................................96<br />1.9 爱立信软交换设备.................................................................................................99<br />2 各厂家移动软交换设备比较..............................................101<br />2.1 基于开发平台的比较：.......................................................................................101<br />2.2 机架尺寸、功耗和容量的比较：.......................................................................102<br />2.3 MSC Server&amp;MGW 冗余备份方式及TrFO功能比较：...................................103<br />2.4 MGW语音编解码比较：.....................................................................................103<br />2.5 接口协议支持情况比较：...................................................................................103<br />2.6 各厂家应用情况比较：.......................................................................................104<br />3 需要注意的问题........................................................105<br />运营篇....................................................................106<br />1 软交换网络维护管理的特点和问题........................................106<br />2 软交换设备的维护职责..................................................108<br />3 软交换网络运维人员的配备与培训........................................108<br />3.1 运维人员的配备要求...........................................................................................108<br />3.2 软交换设备运维人员配置原则...........................................................................109<br />3.3 软交换网络对运维人员的培训...........................................................................110<br />4 软交换网络维护工作的方式和手段........................................111<br />4.1 维护方式：...........................................................................................................111<br />4.2 维护手段...............................................................................................................111 4<br />4.2.1 技术手段：返迁终端...................................................................................111<br />4.2.2 管理手段：分权分域...................................................................................112<br />5 软交换设备容灾系统的维护使用原则......................................113<br />6 软交换设备维护作业计划要求............................................114<br />演进篇....................................................................116<br />1 GSM向UMTS的演进过程及各版本特性.......................................117<br />1.1 R99版本...............................................................................................................117<br />1.2 R4版本.................................................................................................................118<br />1.3 R5版本.................................................................................................................120<br />1.4 R6和R7版本.......................................................................................................122<br />2 IMS技术介绍...........................................................123<br />2.1 IMS技术的背景介绍............................................................................................123<br />2.1.1 IMS技术的起源及发展历程........................................................................123<br />2.1.2 IMS技术的概念............................................................................................124<br />2.1.3 引入IMS的目的............................................................................................124<br />2.1.4 IMS技术的特点............................................................................................124<br />2.1.5 IMS所提供的业务........................................................................................125<br />2.1.6 IMS的应用情况............................................................................................125<br />2.1.7 IMS的引入有哪些前提条件........................................................................125<br />2.2 IMS网络的结构....................................................................................................125<br />2.2.1 IMS网络的功能结构....................................................................................125<br />2.2.2 IMS网络的接口协议结构............................................................................127<br />2.3 IMS存在的问题....................................................................................................128<br />2.3.1 IMS还有部分标准需要确定........................................................................128<br />2.3.2 IMS在应用上的问题....................................................................................129<br />2.4 IMS与软交换的关系............................................................................................129<br />2.4.1 IMS与软交换的区别....................................................................................129<br />2.4.2 软交换网络与IMS网络的互通....................................................................130<br />2.4.3 核心网络如何演进至IMS网络....................................................................130<br />3 3G网络演进核心网建设方式的选择........................................131<br />总结......................................................................133

非常好的资料，价钱也便宜，谢谢LZ。

supporting  thanks

非常感谢楼主

11111111111111111111111111111111lz xin ku le, fei chang ganxie!

非常感谢！！好东东

so good. thank  you for sharing

谢谢楼主:):)

ddddddddddddddddddddd

不错的资料

支持 哈哈哈

谢谢楼主，好好学习

好资料！谢谢楼主....

这绝对是一本好资料，谢谢分享