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IETF Recommendations Regarding Active Queue Management (RFC7567)

IP.com Disclosure Number: IPCOM000242381D
Original Publication Date: 2015-Jul-01
Included in the Prior Art Database: 2015-Jul-10
Document File: 62 page(s) / 77K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

F. Baker: AUTHOR [+4]

Abstract

The Internet protocol architecture is based on a connectionless end- to-end packet service using the Internet Protocol, whether IPv4 [RFC791] or IPv6 [RFC2460]. The advantages of its connectionless design -- flexibility and robustness -- have been amply demonstrated. However, these advantages are not without cost: careful design is required to provide good service under heavy load. In fact, lack of attention to the dynamics of packet forwarding can result in severe service degradation or "Internet meltdown". This phenomenon was first observed during the early growth phase of the Internet in the mid 1980s [RFC896] [RFC970]; it is technically called "congestion collapse" and was a key focus of RFC 2309.

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Internet Engineering Task Force (IETF)                     F. Baker, Ed. Request for Comments: 7567                                 Cisco Systems BCP: 197                                               G. Fairhurst, Ed. Obsoletes: 2309                                   University of Aberdeen Category: Best Current Practice                                July 2015 ISSN: 2070-1721

          IETF Recommendations Regarding Active Queue Management

Abstract

   This memo presents recommendations to the Internet community    concerning measures to improve and preserve Internet performance.  It    presents a strong recommendation for testing, standardization, and    widespread deployment of active queue management (AQM) in network    devices to improve the performance of today's Internet.  It also    urges a concerted effort of research, measurement, and ultimate    deployment of AQM mechanisms to protect the Internet from flows that    are not sufficiently responsive to congestion notification.

   Based on 15 years of experience and new research, this document    replaces the recommendations of RFC 2309.

Status of This Memo

   This memo documents an Internet Best Current Practice.

   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).  Further information on    BCPs is available in 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/rfc7567.

 Baker & Fairhurst         Best Current Practice                 [Page 1]
 RFC 7567         Active Queue Management Recommendations       July 2015

 Copyright Notice

   Copyright (c) 2015 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.

   This document may contain material from IETF Documents or IETF    Contributions published or made publicly available before November    10, 2008.  The p...