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Dormant Mode Host Alerting ("IP Paging") Problem Statement (RFC3132)

IP.com Disclosure Number: IPCOM000005316D
Original Publication Date: 2001-Jun-01
Included in the Prior Art Database: 2001-Aug-21
Document File: 15 page(s) / 35K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

J. Kempf: AUTHOR

Abstract

This memo describes paging, assesses the need for IP paging, and presents a list of recommendations for Seamoby charter items regarding work on paging. The results are specifically directed toward the task undertaken by the design team, and are not meant to be the definitive word on paging for all time, nor to be binding on Seamoby or other working groups, should the situation with regard to IP mobility protocols or radio link support undergo a major change.

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Network Working Group J. Kempf Request for Comments: 3132 Sun Microsystems Category: Informational June 2001

Dormant Mode Host Alerting ("IP Paging") Problem Statement

Status of this Memo

This memo provides information for the Internet community. It does not specify an Internet standard of any kind. Distribution of this memo is unlimited.

Copyright Notice

Copyright (C) The Internet Society (2001). All Rights Reserved.

Abstract

This memo describes paging, assesses the need for IP paging, and presents a list of recommendations for Seamoby charter items regarding work on paging. The results are specifically directed toward the task undertaken by the design team, and are not meant to be the definitive word on paging for all time, nor to be binding on Seamoby or other working groups, should the situation with regard to IP mobility protocols or radio link support undergo a major change.

1.0 Introduction

The IESG has requested that the Seamoby Working Group develop a problem statement about the need for additional protocol work to support alerting of dormant mode mobile hosts, commonly known as IP paging, for seamless IP mobility. The paging design team interpreted this as direction to examine whether location of a mobile node in power saving mode can be supported by the existing Mobile IPv4 and Mobile IPv6 protocols given existing radio link protocols.

Many existing radio link protocols and mobile systems support location of and radio link establishment with mobile nodes that are in power saving mode and hence are not actively listening for delivery of IP packets all the time or are not listening on the radio channels normally associated with delivering IP traffic to mobile nodes. This alerting functionality allows mobile nodes to reduce power consumption and decreases signaling load on the network for tracking mobiles that are not actively participating in IP packet generation or reception.

Kempf Informational [Page 1]

RFC 3132 Dormant Mode Host Alerting Problem Statement June 2001

When a mobile is in low power consumption mode, special steps need to be taken to locate the mobile and alert it. These steps differ depending on the radio link, but the generic name for this process is paging, a term that is commonly used in cellular telephony.

In this document, after some initial definitions and material related to more clearly explaining what paging is, we assess the need for paging in existing IP mobility protocols (namely Mobile IP [1] [2]). We then develop a list of work items for the Seamoby working group related to this need. Note that the discussion in this document and the conclusions regarding work items are directed toward existing IP mobility protocols and existing radio link protocols. Should a major change occur in radio link support or the available IP mobility protocols, such as the introduction of a micromobility prot...