实时通信协议族

基础协议 RFC3550 - RTP: A Transport Protocol for Real-Time Applications

• Timing recovery
• Loss detection
• Payload and source identification
• Reception quality feedback
• Media synchronization
• Membership management

配置协议 (Profiles): RTP/RTCP message formats and semantics

• RTP/AVP: RFC3551 – RTP Profile for Audio and Video Conferences with Minimal Control
• RTP/SAVP: RFC3711 – The Secure Real-time Transport Protocol (SRTP)
• RTP/AVPF: RFC4585 – Extended RTP Profile for Real-time Transport Control Protocol (RTCP)-Based Feedback (RTP/AVPF)
• RTP/SAVPF: RFC5124 – Extended Secure RTP Profile for Real-time Transport Control Protocol (RTCP)-Based Feedback (RTP/SAVPF)

荷载格式

• RFC4588 – RTP Retransmission Payload Format
• RFC5109 – RTP Payload Format for Generic Forward Error Correction
• RFC6184 – RTP Payload Format for H.264 Video
• RFC6190 – RTP Payload Format for Scalable Video Coding