draft-ietf-tsvwg-rsvp-l3vpn-04.txt   draft-ietf-tsvwg-rsvp-l3vpn-05.txt 
Network Working Group B. Davie Network Working Group B. Davie
Internet-Draft F. le Faucheur Internet-Draft F. le Faucheur
Intended status: Standards Track A. Narayanan Intended status: Standards Track A. Narayanan
Expires: May 24, 2010 Cisco Systems, Inc. Expires: May 27, 2010 Cisco Systems, Inc.
November 20, 2009 November 23, 2009
Support for RSVP in Layer 3 VPNs Support for RSVP in Layer 3 VPNs
draft-ietf-tsvwg-rsvp-l3vpn-04.txt draft-ietf-tsvwg-rsvp-l3vpn-05.txt
Abstract Abstract
RFC 4364 and RFC 4659 define an approach to building provider- RFC 4364 and RFC 4659 define an approach to building provider-
provisioned Layer 3 VPNs for IPv4 and IPv6. It may be desirable to provisioned Layer 3 VPNs for IPv4 and IPv6. It may be desirable to
use RSVP to perform admission control on the links between Customer use RSVP to perform admission control on the links between Customer
Edge (CE) routers and Provider Edge (PE) routers. This document Edge (CE) routers and Provider Edge (PE) routers. This document
specifies procedures by which RSVP messages travelling from CE to CE specifies procedures by which RSVP messages travelling from CE to CE
across an L3VPN may be appropriately handled by PE routers so that across an L3VPN may be appropriately handled by PE routers so that
admission control can be performed on PE-CE links. Optionally, admission control can be performed on PE-CE links. Optionally,
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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."
The list of current Internet-Drafts can be accessed at The list of current Internet-Drafts can be accessed at
http://www.ietf.org/ietf/1id-abstracts.txt. http://www.ietf.org/ietf/1id-abstracts.txt.
The list of Internet-Draft Shadow Directories can be accessed at The list of Internet-Draft Shadow Directories can be accessed at
http://www.ietf.org/shadow.html. http://www.ietf.org/shadow.html.
This Internet-Draft will expire on May 24, 2010. This Internet-Draft will expire on May 27, 2010.
Copyright Notice Copyright Notice
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Table of Contents Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 4 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.1. Terminology . . . . . . . . . . . . . . . . . . . . . . . 5 1.1. Terminology . . . . . . . . . . . . . . . . . . . . . . . 5
2. Problem Statement . . . . . . . . . . . . . . . . . . . . . . 5 2. Problem Statement . . . . . . . . . . . . . . . . . . . . . . 5
2.1. Model of Operation . . . . . . . . . . . . . . . . . . . . 7 2.1. Model of Operation . . . . . . . . . . . . . . . . . . . . 7
3. Admission Control on PE-CE Links . . . . . . . . . . . . . . . 8 3. Admission Control on PE-CE Links . . . . . . . . . . . . . . . 8
3.1. New Objects of Type VPN-IPv4 . . . . . . . . . . . . . . . 8 3.1. New Objects of Type VPN-IPv4 . . . . . . . . . . . . . . . 8
3.2. Path Message Processing at Ingress PE . . . . . . . . . . 10 3.2. Path Message Processing at Ingress PE . . . . . . . . . . 10
3.3. Path Message Processing at Egress PE . . . . . . . . . . . 11 3.3. Path Message Processing at Egress PE . . . . . . . . . . . 11
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