RFC 8866 - SDP: Session Description Protocol
发布日期: 2021年1月
状态: 标准跟踪 (Standards Track)
作者: A. Begen (Networked Media), P. Kyzivat, C. Perkins (University of Glasgow), M. Handley (UCL)
废止: RFC 4566
摘要 (Abstract)
本备忘录定义了会话描述协议 (Session Description Protocol, SDP)。SDP用于描述多媒体会话,以实现会话公告、会话邀请以及其他形式的多媒体会话初始化。本文档废止了RFC 4566。
目录 (Contents)
- 1. Introduction (简介)
- 2. Glossary of Terms (术语表)
- 3. Examples of SDP Usage (SDP使用示例)
- 3.1. Session Initiation (会话初始化)
- 3.2. Streaming Media (流媒体)
- 3.3. Email and the World Wide Web (电子邮件和万维网)
- 3.4. Multicast Session Announcement (组播会话公告)
- 4. Requirements and Recommendations (要求和建议)
- 4.1. Media and Transport Information (媒体和传输信息)
- 4.2. Timing Information (时间信息)
- 4.3. Obtaining Further Information about a Session (获取会话的更多信息)
- 4.4. Internationalization (国际化)
- 5. SDP Specification (SDP规范)
- 5.1. Protocol Version ("v=") (协议版本)
- 5.2. Origin ("o=") (源)
- 5.3. Session Name ("s=") (会话名称)
- 5.4. Session Information ("i=") (会话信息)
- 5.5. URI ("u=")
- 5.6. Email Address and Phone Number ("e=" and "p=") (电子邮件和电话)
- 5.7. Connection Information ("c=") (连接信息)
- 5.8. Bandwidth Information ("b=") (带宽信息)
- 5.9. Time Active ("t=") (活动时间)
- 5.10. Repeat Times ("r=") (重复时间)
- 5.11. Time Zone Adjustment ("z=") (时区调整)
- 5.12. Encryption Keys ("k=") (加密密钥)
- 5.13. Attributes ("a=") (属性)
- 5.14. Media Descriptions ("m=") (媒体描述)
- 6. SDP Attributes (SDP属性)
- 6.1. cat (Category) (类别)
- 6.2. keywds (Keywords) (关键词)
- 6.3. tool (工具)
- 6.4. ptime (Packet Time) (数据包时间)
- 6.5. maxptime (Maximum Packet Time) (最大数据包时间)
- 6.6. rtpmap (RTP映射)
- 6.7. Media Direction Attributes (媒体方向属性)
- 6.8. orient (Orientation) (方向)
- 6.9. type (Conference Type) (会议类型)
- 6.10. charset (Character Set) (字符集)
- 6.11. sdplang (SDP Language) (SDP语言)
- 6.12. lang (Language) (语言)
- 6.13. framerate (Frame Rate) (帧率)
- 6.14. quality (质量)
- 6.15. fmtp (Format Parameters) (格式参数)
- 7. Security Considerations (安全考虑)
- 8. IANA Considerations (IANA考虑)
- 8.1. The "application/sdp" Media Type
- 8.2. Registration of SDP Parameters with IANA
- 8.3. Encryption Key Access Methods (OBSOLETE)
- 9. SDP Grammar (SDP语法)
- 10. Summary of Changes from RFC 4566 (与RFC 4566的变更摘要)
- 11. References (参考文献)
- 11.1. Normative References (规范性引用)
- 11.2. Informative References (信息性引用)
- Acknowledgements (致谢)
- Authors' Addresses (作者地址)
相关资源
- 官方原文:
https://www.rfc-editor.org/rfc/rfc8866.txt - 官方页面:
https://datatracker.ietf.org/doc/html/rfc8866 - 勘误表:
https://www.rfc-editor.org/errata_search.php?rfc=8866