< draft-ietf-mmusic-media-path-middleboxes-04.txt   draft-ietf-mmusic-media-path-middleboxes-05.txt >
MMUSIC B. Stucker MMUSIC B. Stucker
Internet-Draft Unaffiliated Internet-Draft Unaffiliated
Intended status: Informational H. Tschofenig Intended status: Informational H. Tschofenig
Expires: August 2, 2012 Nokia Siemens Networks Expires: January 12, 2013 Nokia Siemens Networks
G. Salgueiro G. Salgueiro
Cisco Systems Cisco Systems
January 30, 2012 July 11, 2012
Analysis of Middlebox Interactions for Signaling Analysis of Middlebox Interactions for Signaling
Protocol Communication along the Media Path Protocol Communication along the Media Path
draft-ietf-mmusic-media-path-middleboxes-04.txt draft-ietf-mmusic-media-path-middleboxes-05.txt
Abstract Abstract
Middleboxes are defined as any intermediary box performing functions Middleboxes are defined as any intermediary box performing functions
apart from normal, standard functions of an IP router on the data apart from normal, standard functions of an IP router on the data
path between a source host and destination host. Two such functions path between a source host and destination host. Two such functions
are network address translation and firewalling. are network address translation and firewalling.
When Application Layer Gateways, such as SIP entities, interact with When Application Layer Gateways, such as SIP entities, interact with
NATs and firewalls, as described in the MIDCOM architecture, then NATs and firewalls, as described in the MIDCOM architecture, then
skipping to change at page 2, line 6 skipping to change at page 2, line 6
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 August 2, 2012. This Internet-Draft will expire on January 12, 2013.
Copyright Notice Copyright Notice
Copyright (c) 2012 IETF Trust and the persons identified as the Copyright (c) 2012 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
 End of changes. 4 change blocks. 
4 lines changed or deleted 4 lines changed or added

This html diff was produced by rfcdiff 1.48. The latest version is available from http://tools.ietf.org/tools/rfcdiff/