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Network Working Group M. Jones
Request for Comments: 5516 Bridgewater Systems
Category: Informational L. Morand
Orange Labs
April 2009


Diameter Command Code Registration for the
Third Generation Partnership Project (3GPP) Evolved Packet System (EPS)

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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document authors. All rights reserved.

This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents in effect on the date of
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Abstract

This document registers a set of IANA Diameter Command Codes to be
used in new vendor-specific Diameter applications defined for the
Third Generation Partnership Project (3GPP) Evolved Packet System
(EPS). These new Diameter applications are defined for Mobile
Management Entity (MME)- and Serving GPRS (General Packet Radio
Service) Support Node (SGSN)-related interfaces in in the
architecture for the Evolved 3GPP Packet Switched Domain, which is
also known as the Evolved Packet System (EPS).














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Table of Contents

1. Introduction ....................................................2
2. Terminology .....................................................2
3. Command Codes ...................................................3
4. IANA Considerations .............................................3
5. Security Considerations .........................................4
6. Acknowledgements ................................................4
7. References ......................................................5
7.1. Normative References .......................................5
7.2. Informative References .....................................5

1. Introduction

The Third Generation Partnership Project (3GPP) is defining the
Evolved 3GPP Packet Switched Domain - also known as the Evolved
Packet System (EPS). As part of this architecture, the interfaces
based on the Diameter protocol [RFC3588] require the definition of
two new Diameter applications.

As defined in [TS29.272], the 3GPP S6a/S6d application (vendor-
specific application id: 16777251) enables the transfer of
subscriber-related data between the Mobile Management Entity (MME)
and the Home Subscriber Server (HSS) on the S6a interface and between
the Serving GPRS Support Node (SGSN) and the Home Subscriber Server
(HSS) on the S6d interface.

Also defined in [TS29.272], the 3GPP S13/S13' application (vendor-
specific application id: 16777252) enables the Mobile Equipment
Identity check procedure between the Mobile Management Entity (MME)
and the Equipment Identity Register (EIR) on the S13 interface and
between the Serving GPRS Support Node (SGSN) and the Equipment
Identity Register (EIR) on the S13' interface.

Both Diameter applications are defined under the 3GPP vendor-id
"10415". This document defines the assigned values of the command
codes used in these applications.

2. Terminology

The base Diameter specification (Section 1.3 of [RFC3588]) defines
most of the terminology used in this document. Additionally, the
terms and acronyms defined in [TS29.272] are used in this document.








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3. Command Codes

The 3GPP S6a/S6d application described in Section 5 of [TS29.272]
requires the allocation of command code values for the following
command pairs:

o 3GPP-Update-Location-Request/Answer (ULR/ULA)

o 3GPP-Cancel-Location-Request/Answer (CLR/CLA)

o 3GPP-Authentication-Information-Request/ Answer (AIR/AIA)

o 3GPP-Insert-Subscriber-Data-Request/Answer (IDR/IDA)

o 3GPP-Delete-Subscriber-Data-Request/Answer (DSR/DSA)

o 3GPP-Purge-UE-Request/Answer (PUR/PUA)

o 3GPP-Reset-Request/Answer (RSR/RSA)

o 3GPP-Notify-Request/Answer (NOR/NOA)

The 3GPP S13/S13 application described in Section 6 of [TS29.272]
requires the allocation of a command code value for the following
command pair:

o 3GPP-ME-Identity-Check-Request/Answer (ECR/ECA)

4. IANA Considerations

This section provides guidance to the Internet Assigned Numbers
Authority (IANA) regarding registration of values related to the
Diameter protocol, in accordance with BCP 26 [RFC5226].

This document defines values in the namespace that has been defined
in the Diameter base specification [RFC3588]. Section 11 of
[RFC3588] (that document's IANA Considerations) details the
assignment criteria. IANA allocated the following command code
values:












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+----------------------------------------------------------------------+
| Code Command Name Abbrev. Defined in |
+----------------------------------------------------------------------+
| 316 3GPP-Update-Location-Request ULR 3GPP TS 29.272 |
| 316 3GPP-Update-Location-Answer ULA 3GPP TS 29.272 |
| 317 3GPP-Cancel-Location-Request CLR 3GPP TS 29.272 |
| 317 3GPP-Cancel-Location-Answer CLA 3GPP TS 29.272 |
| 318 3GPP-Authentication-Information-Request AIR 3GPP TS 29.272 |
| 318 3GPP-Authentication-Information-Answer AIA 3GPP TS 29.272 |
| 319 3GPP-Insert-Subscriber-Data-Request IDR 3GPP TS 29.272 |
| 319 3GPP-Insert-Subscriber-Data-Answer IDA 3GPP TS 29.272 |
| 320 3GPP-Delete-Subscriber-Data-Request DSR 3GPP TS 29.272 |
| 320 3GPP-Delete-Subscriber-Data-Answer DSA 3GPP TS 29.272 |
| 321 3GPP-Purge-UE-Request PUR 3GPP TS 29.272 |
| 321 3GPP-Purge-UE-Answer PUA 3GPP TS 29.272 |
| 322 3GPP-Reset-Request RSR 3GPP TS 29.272 |
| 322 3GPP-Reset-Answer RSA 3GPP TS 29.272 |
| 323 3GPP-Notify-Request NOR 3GPP TS 29.272 |
| 323 3GPP-Notify-Answer NOA 3GPP TS 29.272 |
| 324 3GPP-ME-Identity-Check-Request ECR 3GPP TS 29.272 |
| 324 3GPP-ME-Identity-Check-Answer ECA 3GPP TS 29.272 |
+----------------------------------------------------------------------+

5. Security Considerations

This document describes command codes used in applications that build
on top of the Diameter base protocol and the same security
considerations described in [RFC3588] are applicable to this
document. No further extensions are required beyond the security
mechanisms offered by [RFC3588].

6. Acknowledgements

We would like to thank the 3GPP CT4 delegates, Victor Fajardo, and
Glen Zorn for their review and comments. We would also like to thank
Dan Romascanu for volunteering to be AD sponsor and Hannes Tschofenig
for volunteering to be Document Shepherd.














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7. References

7.1. Normative References

[RFC3588] Calhoun, P., Loughney, J., Guttman, E., Zorn, G., and J.
Arkko, "Diameter Base Protocol", RFC 3588,
September 2003.

[TS29.272] 3rd Generation Partnership Project, "3GPP TS 29.272;
Technical Specification Group Core Network and Terminals;
Evolved Packet System; Mobility Management Entity (MME)
and Serving GPRS Support Node (SGSN) Related Interfaces
Based on Diameter Protocol",
http://www.3gpp.org/ftp/Specs/html-info/29272.htm.

7.2. Informative References

[RFC5226] Narten, T. and H. Alvestrand, "Guidelines for Writing an
IANA Considerations Section in RFCs", BCP 26, RFC 5226,
May 2008.

Authors' Addresses

Mark Jones
Bridgewater Systems

EMail: mark.jones@bridgewatersystems.com


Lionel Morand
Orange Labs

EMail: lionel.morand@orange-ftgroup.com


















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