A Taxonomy of Grouping Semantics and Mechanisms for Real-Time Transport Protocol (RTP) Sources
draft-ietf-avtext-rtp-grouping-taxonomy-00
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Network Working Group J. Lennox
Internet-Draft Vidyo
Intended status: Informational K. Gross
Expires: May 10, 2014 AVA
S. Nandakumar
G. Salgueiro
Cisco Systems
B. Burman
Ericsson
November 06, 2013
A Taxonomy of Grouping Semantics and Mechanisms for Real-Time Transport
Protocol (RTP) Sources
draft-ietf-avtext-rtp-grouping-taxonomy-00
Abstract
The terminology about, and associations among, Real-Time Transport
Protocol (RTP) sources can be complex and somewhat opaque. This
document describes a number of existing and proposed relationships
among RTP sources, and attempts to define common terminology for
discussing protocol entities and their relationships.
Status of This Memo
This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79.
Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet-
Drafts is at http://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress."
This Internet-Draft will expire on May 10, 2014.
Copyright Notice
Copyright (c) 2013 IETF Trust and the persons identified as the
document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents
Lennox, et al. Expires May 10, 2014 [Page 1]
Internet-Draft RTP Grouping Taxonomy November 2013
(http://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents
carefully, as they describe your rights and restrictions with respect
to this document. Code Components extracted from this document must
include Simplified BSD License text as described in Section 4.e of
the Trust Legal Provisions and are provided without warranty as
described in the Simplified BSD License.
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3
2. Concepts . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1. Media Chain . . . . . . . . . . . . . . . . . . . . . . . 4
2.1.1. Physical Stimulus . . . . . . . . . . . . . . . . . . 7
2.1.2. Media Capture . . . . . . . . . . . . . . . . . . . . 7
2.1.3. Raw Stream . . . . . . . . . . . . . . . . . . . . . 7
2.1.4. Media Source . . . . . . . . . . . . . . . . . . . . 8
2.1.5. Source Stream . . . . . . . . . . . . . . . . . . . . 9
2.1.6. Media Encoder . . . . . . . . . . . . . . . . . . . . 9
2.1.7. Encoded Stream . . . . . . . . . . . . . . . . . . . 10
2.1.8. Dependent Stream . . . . . . . . . . . . . . . . . . 10
2.1.9. Media Packetizer . . . . . . . . . . . . . . . . . . 10
2.1.10. Packet Stream . . . . . . . . . . . . . . . . . . . . 11
2.1.11. Media Redundancy . . . . . . . . . . . . . . . . . . 12
2.1.12. Redundancy Packet Stream . . . . . . . . . . . . . . 12
2.1.13. Media Transport . . . . . . . . . . . . . . . . . . . 12
2.1.14. Received Packet Stream . . . . . . . . . . . . . . . 15
2.1.15. Received Redundandy Packet Stream . . . . . . . . . . 15
2.1.16. Media Repair . . . . . . . . . . . . . . . . . . . . 15
2.1.17. Repaired Packet Stream . . . . . . . . . . . . . . . 15
2.1.18. Media Depacketizer . . . . . . . . . . . . . . . . . 15
2.1.19. Received Encoded Stream . . . . . . . . . . . . . . . 15
2.1.20. Media Decoder . . . . . . . . . . . . . . . . . . . . 16
2.1.21. Received Source Stream . . . . . . . . . . . . . . . 16
2.1.22. Media Sink . . . . . . . . . . . . . . . . . . . . . 16
2.1.23. Received Raw Stream . . . . . . . . . . . . . . . . . 16
2.1.24. Media Render . . . . . . . . . . . . . . . . . . . . 16
2.2. Communication Entities . . . . . . . . . . . . . . . . . 17
2.2.1. End Point . . . . . . . . . . . . . . . . . . . . . . 17
2.2.2. RTP Session . . . . . . . . . . . . . . . . . . . . . 17
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