【资料名称】：IuCS传输网络层协议分析

【资料作者】：不详

【资料日期】：2005.08

【资料语言】：中文

【资料格式】：PDF

【资料目录和简介】：

传输网络层协议分析...............................................................................................1
1. ATM物理层.........................................................................................................3
1.1 物理层功能.......................................................................................................3
1.2 物理层描述.......................................................................................................4

2. ATM层................................................................................................................6
2.1 ATM信元格式....................................................................................................7
2.2 ATM层的功能....................................................................................................8

3. AAL5...................................................................................................................9
3.1 AAL5的功能.......................................................................................................9
3.2 AAL5协议结构...................................................................................................9

4. SSCOP..............................................................................................................11
4.1 SSCOP的功能..................................................................................................11
4.2 SSCOP信号和参数...........................................................................................12
4.3 SSCOP PDU.....................................................................................................13
4.3.1 定义:............................................................................................................14
4.3.2 非法PDU.......................................................................................................14
SSCOP PDU格式....................................................................................................15
4.4 SSCOP状态变量...............................................................................................19
4.4.1 发送方状态变量.............................................................................................19
4.4.2 接收方状态变量.............................................................................................20
4.4.3 SSCOP PDU parameters................................................................................20

5. SSCF...............................................................................................................22
5.1 NNI信令协议栈..............................................................................................23
5.2 SAAL提供的服务............................................................................................23
5.3 SSCF的功能...................................................................................................24
5.3.1 非对等网络信息的功能................................................................................24
5.3.2 对等网络信息功能.......................................................................................25
5.4 SSCF与第三层的边界定义...............................................................................27
5.5 SSCF与SSCOP的边界定义...............................................................................29

6. MTP－3b..........................................................................................................30
6.1 MTP－3b上边界..............................................................................................31
6.2 信令网络功能和消息.......................................................................................31
6.3 基于MTP－3b的信令传输转换器......................................................................34
6.4.1 STC（Signalling Transport Converter）协议栈结构示意图：.........................35
6.4.2 STC提供的服务.............................................................................................36
6.4.3 STC的功能...................................................................................................36
6.4 层层通信原理..................................................................................................36
6.4.1 一般信令传输服务........................................................................................36
6.4.2 MTP提供的服务............................................................................................37
6.4.3 对等网络通信的协议原理.............................................................................39
6.4.4 STC timers...................................................................................................40
6.4.5 Provisioned STC parameters.........................................................................40

7. AAL2信令协议.................................................................................................43
7.1 AAL2信令协议结构........................................................................................43
7.2 AAL2信令协议信息的格式和编码...................................................................45
7.3 AAL2信令协议参数的域规范..........................................................................47

8. SCCP..............................................................................................................50
8.1 SCCP下边界..................................................................................................51
8.1.1 MTP-SAP....................................................................................................51
8.1.2 MTP 原语和参数.........................................................................................51