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Reducing Energy Consumption of Router Advertisements (RFC7772)

IP.com Disclosure Number: IPCOM000245137D
Original Publication Date: 2016-Feb-01
Included in the Prior Art Database: 2016-Feb-12
Document File: 12 page(s) / 13K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

A. Yourtchenko: AUTHOR [+2]

Abstract

Routing information is communicated to IPv6 hosts by Router Advertisement (RA) messages [RFC4861]. If these messages are sent too frequently, they can severely impact power consumption on battery-powered hosts.

This text was extracted from an ASCII text file.
This is the abbreviated version, containing approximately 22% of the total text.

Internet Engineering Task Force (IETF)                    A. Yourtchenko Request for Comments: 7772                                         Cisco BCP: 202                                                      L. Colitti Category: Best Current Practice                                   Google ISSN: 2070-1721                                            February 2016

           Reducing Energy Consumption of Router Advertisements

Abstract

   Frequent Router Advertisement messages can severely impact host power    consumption.  This document recommends operational practices to avoid    such impact.

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/rfc7772.

Copyright Notice

   Copyright (c) 2016 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.

 Yourtchenko & Colitti     Best Current Practice                 [Page 1]
 RFC 7772             Reducing RA Energy Consumption        February 2016

 Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2

   2.  Problem Scenarios . . . . . . . . . . . . . . . . . . . . . .   2

     2.1.  Solicited Multicast RAs on Large Networks . . . . . . . .   2

     2.2.  Frequent Periodic Router Advertisements . . . . . . . . .   3

   3.  Consequences  . . . . . . . . . . . . . . . . . . . . . . . .   3

   4.  Router Advertisement Frequency  . . . . . . . . . . . . . . .   3

   5.  Recommendations . . . . . . . . . . . . . . . . . . . . . . .   4

     5.1.  Network-Side Recommendations  . . . . . . . . . . . . . .   4

     5.2.  De...