RFC 3550 RTP July 2003
翻译 说明 ..........................................................................................................................................2
RTP： 应用于 实时 应用的 传输协议 ...............................................................................................I
1. 介绍 .....................................................................................................................................1
1.1 术语 ...........................................................................................................................2
2. RTP Use Scenarios................................................................................................................3
2.1 简单 的多播音频会 议................................................................................................3
2.2 音频 和视频会 议........................................................................................................3
2.3 Mixer 和 Translator.....................................................................................................4
2.4 层编码 .......................................................................................................................4
3. 定义 .....................................................................................................................................6
4． 字节序 ， 校正(Alignment) ， 时间 格式 ...........................................................................9
5. RTP 数据 传输协议 ............................................................................................................10
5.1 RTP 定长的头字段 ..................................................................................................10
5.2 RTP 会话 的多路复 用...............................................................................................12
5.3 RTP 头的 Profile-Specific 修正 ...............................................................................13
6. RTP 控制协议 --RTCP........................................................................................................15
6.1 RTCP 报文格式........................................................................................................16
6.2 RTCP 传输间 隔........................................................................................................18
6.3 RTCP 报文发送和接收规则 ....................................................................................21
6.4 发送者和接收 者报告 ..............................................................................................26
6.5 SDES： 源描 述 RTCP 报文 ...................................................................................34
6.6 BYE ： Goodbye RTCP Packet................................................................................39
6.7 APP： 应 用定 义的 RTCP 报文 ..............................................................................40
7. RTP Translators and Mixers................................................................................................41
7.1 概括性描 述 ..............................................................................................................42
7.2 在 Translator 中处理的 RTCP.................................................................................43
7.3 在 Mixer 中的 RTCP 处理 ......................................................................................44
7.4 级联 的 Mixer...........................................................................................................45
8. SSRC Identifier 分配和使用 ...........................................................................................47
8.1 冲突的概率 ..............................................................................................................47
8.2 冲突解决和 回环 (loop) 检测 ....................................................................................48
8.3 Use with Layered Encodings ....................................................................................51
9. 安全 ...................................................................................................................................52
9.1 机密 性 .....................................................................................................................52
9.2 鉴定和信息 的完整 性..............................................................................................53
10. 拥塞 控制 .........................................................................................................................54
11. RTP over 网络和传输协议 ...............................................................................................54
12. 协议 常量摘要 .................................................................................................................55
12.1 RTCP 报文 类型 ......................................................................................................55
12.2 SDES 类型 ..............................................................................................................56
13. RTP Profile 和 Payload 格式说明 .................................................................................56
14. 安全考虑 .........................................................................................................................58
15. IANA 考 虑 ....................................................................................................................58
16. 知识产权声明 .................................................................................................................59
17. 致谢 ...............................................................................................................................59
PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.com.cn
I
VIP享7折，此内容立减5.97元 
