Network Working Group C. Perkins
Request for Comments: 3158 USC/ISI
Category: Informational J. Rosenberg
dynamicsoft
H. Schulzrinne
Columbia University
August 2001
RTP Testing Strategies
Status of this Memo
This memo provides information for the Internet community. It does
not specify an Internet standard of any kind. Distribution of this
memo is unlimited.
Copyright Notice
Copyright (C) The Internet Society (2001). All Rights Reserved.
Abstract
This memo describes a possible testing strategy for RTP (real-time
transport protocol) implementations.
Table of Contents
1 Introduction. . . . . . . . . . . . . . . . . . . . . . 2
2 End systems . . . . . . . . . . . . . . . . . . . . . . 2
2.1 Media transport . . . . . . . . . . . . . . . . . 3
2.2 RTP Header Extension . . . . . . . . . . . . . . . 4
2.3 Basic RTCP . . . . . . . . . . . . . . . . . . . 4
2.3.1 Sender and receiver reports . . . . . . . . 4
2.3.2 RTCP source description packets . . . . . . 6
2.3.3 RTCP BYE packets . . . . . . . . . . . . . . 7
2.3.4 Application defined RTCP packets . . . . . . 7
2.4 RTCP transmission interval . . . . . . . . . . . . 7
2.4.1 Basic Behavior . . . . . . . . . . . . . . 8
2.4.2 Step join backoff . . . . . . . . . . . . 9
2.4.3 Steady State Behavior . . . . . . . . . . 11
2.4.4 Reverse Reconsideration . . . . . . . . . 12
2.4.5 BYE Reconsideration . . . . . . . . . . . 13
2.4.6 Timing out members . . . . . . . . . . . . 14
2.4.7 Rapid SR's . . . . . . . . . . . . . . . . 15
3 RTP translators . . . . . . . . . . . . . . . . . . . . 15
4 RTP mixers. . . . . . . . . . . . . . . . . . . . . . . 17
5 SSRC collision detection. . . . . . . . . . . . . . . . 18
Perkins, et al. Informational