Generic Aggregation of Resource ReSerVation Protocol (RSVP) for IPv4 And IPv6 Reservations over PCN domains
draft-ietf-tsvwg-rsvp-pcn-04
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Active Internet-Draft (tsvwg WG)
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Authors |
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Georgios Karagiannis
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Anurag Bhargava
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2013-02-24
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IETF
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Proposed Standard
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Responsible AD |
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Spencer Dawkins
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Send notices to |
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tsvwg-chairs@tools.ietf.org, draft-ietf-tsvwg-rsvp-pcn@tools.ietf.org
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Internet Engineering Task Force Georgios Karagiannis
Internet-Draft University of Twente
Intended status: Experimental Anurag Bhargava
Expires: August 23, 2013 Cisco Systems, Inc.
February 23, 2013
Generic Aggregation of Resource ReSerVation Protocol (RSVP)
for IPv4 And IPv6 Reservations over PCN domains
draft-ietf-tsvwg-rsvp-pcn-04
Abstract
This document specifies extensions to Generic Aggregated RSVP
[RFC4860] for support of the PCN Controlled Load (CL) and Single
Marking (SM) edge behaviors over a Diffserv cloud using Pre-
Congestion Notification.
Status of this Memo
This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79.
Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet-
Drafts is at http://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress."
This Internet-Draft will expire on August 23, 2013.
Karagiannis, et al. Expires August 23, 2013 [Page 1]
Internet-Draft Aggregated RSVP over PCN February 2013
Copyright Notice
Copyright (c) 2013 IETF Trust and the persons identified as the
document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents
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described in the Simplified BSD License.
Requirements Language
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
document are to be interpreted as described in RFC 2119 [RFC2119].
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.1. Objective . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.2. Overview and Motivation . . . . . . . . . . . . . . . . . . . 4
1.3. Terminology . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.4. Organization of This Document . . . . . . . . . . . . . . . . 11
2. Overview of RSVP extensions and Operations . . . . . . . . . . . 11
2.1. Overview of RSVP Aggregation Procedures in PCN domains . . . . . 11
2.2. PCN Marking and encoding and transport of pre-congestion
Information . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.3. Traffic Classification Within The Aggregation Region . . . . . . 13
2.4. Deaggregator (PCN-egress-node) Determination . . . . . . . . . . 13
2.5. Mapping E2E Reservations Onto Aggregate Reservations . . . . . . 14
2.6 Size of Aggregate Reservations . . . . . . . . . . . . . . . . . 14
2.7. E2E Path ADSPEC update . . . . . . . . . . . . . . . . . . . . . 14
2.8. Intra-domain Routes . . . . . . . . . . . . . . . . . . . . . . .14
2.9. Inter-domain Routes . . . . . . . . . . . . . . . . . . . . . . 14
2.10. Reservations for Multicast Sessions . . . . . . . . . . . . . . 14
2.11. Multi-level Aggregation . . . . . . . . . . . . . . . . . . . . 15
2.12. Reliability Issues . . . . . . . . . . . . . . . . . . . . . . 15
2.13. Message Integrity and Node Authentication . . . . . . . . . . 15
3. Elements of Procedure . . . . . . . . . . . . . . . . . . . . . . 15
3.1. Receipt of E2E Path Message By PCN-ingress-node
(aggregating router) . . . . . . . . . . . . . . . . . . . . . . 15
3.2. Handling Of E2E Path Message By Interior Routers . . . . . . . 16
3.3. Receipt of E2E Path Message By PCN-egress-node
(deaggregating router) . . . . . . . . . . . . . . . . . . . . . 16
3.4. Initiation of new Aggregate Path Message By PCN-ingress-node
(Aggregating Router) . . . . . . . . . . . . . . . . . . . . . 17
3.5. Handling Of new Aggregate Path Message By Interior Routers . . 17
3.6. Handling of E2E Resv Message by Deaggregating Router . . . . . 17
3.7. Handling Of E2E Resv Message By Interior Routers . . . . . . . 17
3.8. Initiation of New Aggregate Resv Message By Deaggregating Router 17
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