Extensions to Generic Aggregate RSVP for IPv4 and IPv6 Reservations over Pre-Congestion Notification (PCN) Domains
RFC 7417
Document | Type | RFC - Experimental (December 2014; No errata) | |
---|---|---|---|
Authors | Georgios Karagiannis , Anurag Bhargava | ||
Last updated | 2015-10-14 | ||
Stream | Internet Engineering Task Force (IETF) | ||
Formats | plain text html pdf htmlized (tools) htmlized bibtex | ||
Reviews | |||
Stream | WG state | Submitted to IESG for Publication | |
Document shepherd | David Black | ||
Shepherd write-up | Show (last changed 2014-09-19) | ||
IESG | IESG state | RFC 7417 (Experimental) | |
Action Holders |
(None)
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Consensus Boilerplate | Yes | ||
Telechat date | |||
Responsible AD | Spencer Dawkins | ||
Send notices to | (None) | ||
IANA | IANA review state | Version Changed - Review Needed | |
IANA action state | RFC-Ed-Ack |
Internet Engineering Task Force (IETF) G. Karagiannis Request for Comments: 7417 Huawei Technologies Category: Experimental A. Bhargava ISSN: 2070-1721 Cisco Systems, Inc. December 2014 Extensions to Generic Aggregate RSVP for IPv4 and IPv6 Reservations over Pre-Congestion Notification (PCN) Domains Abstract This document specifies extensions to Generic Aggregate RSVP (RFC 4860) for support of the Pre-Congestion Notification (PCN) Controlled Load (CL) and Single Marking (SM) edge behaviors over a Diffserv cloud using PCN. Status of This Memo This document is not an Internet Standards Track specification; it is published for examination, experimental implementation, and evaluation. This document defines an Experimental Protocol for the Internet community. This document is a product of the Internet Engineering Task Force (IETF). It represents the consensus of the IETF community. It has received public review and has been approved for publication by the Internet Engineering Steering Group (IESG). Not all documents approved by the IESG are a candidate for any level of Internet Standard; see Section 2 of RFC 5741. Information about the current status of this document, any errata, and how to provide feedback on it may be obtained at http://www.rfc-editor.org/info/rfc7417. Karagiannis & Bhargava Experimental [Page 1] RFC 7417 Aggregate RSVP over PCN December 2014 Copyright Notice Copyright (c) 2014 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 carefully, as they describe your rights and restrictions with respect to this document. Code Components extracted from this document must include Simplified BSD License text as described in Section 4.e of the Trust Legal Provisions and are provided without warranty as described in the Simplified BSD License. Karagiannis & Bhargava Experimental [Page 2] RFC 7417 Aggregate RSVP over PCN December 2014 Table of Contents 1. Introduction ....................................................4 1.1. Objective ..................................................4 1.2. Overview and Motivation ....................................5 1.3. Requirements Language and Terminology ......................8 1.4. Organization of This Document .............................12 2. Overview of RSVP Extensions and Operations .....................12 2.1. Overview of RSVP Aggregation Procedures in PCN-Domains ....12 2.2. PCN-Marking, Encoding, and Transport of Pre-congestion Information ................................14 2.3. Traffic Classification within the Aggregation Region ......14 2.4. Deaggregator (PCN-Egress-Node) Determination ..............15 2.5. Mapping E2E Reservations onto Aggregate Reservations ......15 2.6. Size of Aggregate Reservations ............................16 2.7. E2E Path ADSPEC Update ....................................16 2.8. Intra-domain Routes .......................................16 2.9. Inter-domain Routes .......................................16 2.10. Reservations for Multicast Sessions ......................16 2.11. Multi-level Aggregation ..................................16 2.12. Reliability Issues .......................................17 3. Elements of Procedures .........................................17 3.1. Receipt of E2E Path Message by PCN-Ingress-Node (Aggregating Router) ......................................17 3.2. Handling of E2E Path Message by Interior Routers ..........17 3.3. Receipt of E2E Path Message by PCN-Egress-Node (Deaggregating Router) ....................................18 3.4. Initiation of New Aggregate Path Message by PCN-Ingress-Node (Aggregating Router) .....................18 3.5. Handling of Aggregate Path Message by Interior Routers ....18 3.6. Handling of Aggregate Path Message by Deaggregating Router ......................................18 3.7. Handling of E2E Resv Message by Deaggregating Router ......19 3.8. Handling of E2E Resv Message by Interior Routers ..........19 3.9. Initiation of New Aggregate Resv Message by Deaggregating Router ......................................20 3.10. Handling of Aggregate Resv Message by Interior Routers ...20Show full document text