Session Peering for Multimedia Interconnect (SPEERMINT) Terminology
RFC 5486
Network Working Group D. Malas, Ed.
Request for Comments: 5486 CableLabs
Category: Informational D. Meyer, Ed.
March 2009
Session Peering for Multimedia Interconnect (SPEERMINT) Terminology
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.
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Abstract
This document defines the terminology that is to be used in
describing Session PEERing for Multimedia INTerconnect (SPEERMINT).
Malas & Meyer Informational [Page 1]
RFC 5486 SPEERMINT Terminology March 2009
Table of Contents
1. Introduction ....................................................2
2. SPEERMINT Context ...............................................3
3. General Definitions .............................................4
3.1. Signaling Path Border Element ..............................4
3.2. Data Path Border Element ...................................4
3.3. Session Establishment Data .................................4
3.4. Call Routing ...............................................5
3.5. PSTN .......................................................5
3.6. IP Path ....................................................5
3.7. Peer Network ...............................................5
3.8. Service Provider ...........................................5
3.9. SIP Service Provider .......................................6
4. Peering .........................................................6
4.1. Layer 3 Peering ............................................6
4.2. Layer 5 Peering ............................................6
4.2.1. Direct Peering ......................................7
4.2.2. Indirect Peering ....................................7
4.2.3. On-Demand Peering ...................................7
4.2.4. Static Peering ......................................7
4.3. Functions ..................................................7
4.3.1. Signaling Function ..................................7
4.3.2. Media Function ......................................8
4.3.3. Look-Up Function ....................................8
4.3.4. Location Routing Function ...........................8
5. Federations .....................................................8
6. Security Considerations .........................................9
7. Acknowledgments .................................................9
8. Informative References .........................................10
1. Introduction
The term "Voice over IP Peering" (VoIP Peering) has historically been
used to describe a wide variety of practices pertaining to the
interconnection of service provider networks and to the delivery of
Session Initiation Protocol (SIP [2]) call termination over those
interconnections.
The discussion of these interconnections has at times been confused
by the fact that the term "peering" is used in various contexts to
describe interconnection at different levels in a protocol stack.
Session Peering for Multimedia Interconnect focuses on how to
identify and route real-time sessions (such as VoIP calls) at the
session layer, and it does not (necessarily) cover the exchange of
packet-routing data or media sessions. In particular, "layer 5
network" is used here to refer to the interconnection between SIP
Malas & Meyer Informational [Page 2]
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