draft-ietf-dime-nat-control-04.txt   draft-ietf-dime-nat-control-05.txt 
Internet Engineering Task Force F. Brockners Internet Engineering Task Force F. Brockners
Internet-Draft S. Bhandari Internet-Draft S. Bhandari
Intended status: Standards Track Cisco Intended status: Standards Track Cisco
Expires: April 19, 2011 V. Singh Expires: April 25, 2011 V. Singh
Mavenir Systems Mavenir Systems
V. Fajardo V. Fajardo
Telcordia Technologies Telcordia Technologies
October 16, 2010 October 22, 2010
Diameter Network Address and Port Translation Control Application Diameter Network Address and Port Translation Control Application
draft-ietf-dime-nat-control-04 draft-ietf-dime-nat-control-05
Abstract Abstract
This document describes the framework, messages, and procedures for This document describes the framework, messages, and procedures for
the Diameter Network address and port translation Control the Diameter Network address and port translation Control
Application. This Diameter application allows per endpoint control Application. This Diameter application allows per endpoint control
of large scale Network Address Translators and Network Address and of Network Address Translators and Network Address and Port
Port Translators, which are added to cope with IPv4-address space Translators, which are added to cope with IPv4-address space
completion. This Diameter application allows external devices to completion. This Diameter application allows external devices to
configure and manage a Network Address Translator device - expanding configure and manage a Network Address Translator device - expanding
the existing Diameter-based AAA and policy control capabilities with the existing Diameter-based AAA and policy control capabilities with
a Network Address Translators and Network Address and Port a Network Address Translators and Network Address and Port
Translators control component. These external devices can be network Translators control component. These external devices can be network
elements in the data plane such as a Network Access Server, or can be elements in the data plane such as a Network Access Server, or can be
more centralized control plane devices such as AAA-servers. This more centralized control plane devices such as AAA-servers. This
Diameter application establishes a context to commonly identify and Diameter application establishes a context to commonly identify and
manage endpoints on a gateway or server, and a large scale Network manage endpoints on a gateway or server, and a Network Address
Address Translator and Network Address and Port Translator device. Translator and Network Address and Port Translator device. This
This includes, for example, the control of the total number of includes, for example, the control of the total number of Network
Network Address Translator bindings allowed or the allocation of a Address Translator bindings allowed or the allocation of a specific
specific Network Address Translator binding for a particular Network Address Translator binding for a particular endpoint. In
endpoint. In addition, it allows large scale Network Address addition, it allows Network Address Translator devices to provide
Translator devices to provide information relevant to accounting information relevant to accounting purposes.
purposes.
Status of this Memo Status of this Memo
This Internet-Draft is submitted in full conformance with the This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79. provisions of BCP 78 and BCP 79.
Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet- working documents as Internet-Drafts. The list of current Internet-
Drafts is at http://datatracker.ietf.org/drafts/current/. Drafts is at http://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
This Internet-Draft will expire on April 19, 2011. This Internet-Draft will expire on April 25, 2011.
Copyright Notice Copyright Notice
Copyright (c) 2010 IETF Trust and the persons identified as the Copyright (c) 2010 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of (http://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents publication of this document. Please review these documents
skipping to change at page 40, line 49 skipping to change at page 40, line 49
a. Editorial changes suggested in WG Lastcall review a. Editorial changes suggested in WG Lastcall review
b. Removed NCR Request type terminate and replaced with STR b. Removed NCR Request type terminate and replaced with STR
c. All references to Auth-Session-State are removed and a new c. All references to Auth-Session-State are removed and a new
section to describe FSM for Manager and Agent has been added section to describe FSM for Manager and Agent has been added
d. Clarified reuse of External address and address pools among d. Clarified reuse of External address and address pools among
multiple subscribers multiple subscribers
Changes from -04 to -05
a. Removed references to Large Scale NAT as per review comments
15. References 15. References
15.1. Normative References 15.1. Normative References
[ETSIES283034] [ETSIES283034]
ETSI, "Telecommunications and Internet Converged Services ETSI, "Telecommunications and Internet Converged Services
and Protocols for Advanced Networks (TISPAN),Network and Protocols for Advanced Networks (TISPAN),Network
Attachment Sub-System (NASS),e4 interface based on the Attachment Sub-System (NASS),e4 interface based on the
Diameter protocol.", September 2008. Diameter protocol.", September 2008.
[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
Requirement Levels", BCP 14, RFC 2119, March 1997. Requirement Levels", BCP 14, RFC 2119, March 1997.
skipping to change at page 41, line 35 skipping to change at page 41, line 39
February 2010. February 2010.
15.2. Informative References 15.2. Informative References
[I-D.ietf-dime-diameter-qos] [I-D.ietf-dime-diameter-qos]
Sun, D., McCann, P., Tschofenig, H., ZOU), T., Doria, A., Sun, D., McCann, P., Tschofenig, H., ZOU), T., Doria, A.,
and G. Zorn, "Diameter Quality of Service Application", and G. Zorn, "Diameter Quality of Service Application",
draft-ietf-dime-diameter-qos-14 (work in progress), draft-ietf-dime-diameter-qos-14 (work in progress),
February 2010. February 2010.
[I-D.nishitani-cgn]
Nishitani, T., Yamagata, I., Miyakawa, S., Nakagawa, A.,
and H. Ashida, "Common Functions of Large Scale NAT
(LSN)", draft-nishitani-cgn-03 (work in progress),
November 2009.
[RFC4005] Calhoun, P., Zorn, G., Spence, D., and D. Mitton, [RFC4005] Calhoun, P., Zorn, G., Spence, D., and D. Mitton,
"Diameter Network Access Server Application", RFC 4005, "Diameter Network Access Server Application", RFC 4005,
August 2005. August 2005.
[TS32299] "3rd Generation Partnership Project; Technical [TS32299] "3rd Generation Partnership Project; Technical
Specification Group Service and System Aspects; Specification Group Service and System Aspects;
Telecommunication management; Charging management; Telecommunication management; Charging management;
"Diameter charging applications", 3GPP TS 32.299 Version "Diameter charging applications", 3GPP TS 32.299 Version
6.3.0.2", 2008. 6.3.0.2", 2008.
 End of changes. 9 change blocks. 
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