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Generic Notification Message for Mobile IPv4
RFC 6098

Internet Engineering Task Force (IETF)                           H. Deng
Request for Comments: 6098                                  China Mobile
Category: Standards Track                                   H. Levkowetz
ISSN: 2070-1721                                                   Netnod
                                                          V. Devarapalli
                                                         Vasona Networks
                                                           S. Gundavelli
                                                                   Cisco
                                                                B. Haley
                                                 Hewlett-Packard Company
                                                              April 2012

              Generic Notification Message for Mobile IPv4

Abstract

   This document specifies protocol enhancements that allow Mobile IPv4
   entities to send and receive explicit notification messages using a
   Mobile IPv4 message type designed for this purpose.

Status of This Memo

   This is an Internet Standards Track document.

   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
   Internet Standards 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/rfc6098.

Copyright Notice

   Copyright (c) 2012 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

Deng, et al.                 Standards Track                    [Page 1]
RFC 6098            MIP4 Generic Notification Message         April 2012

   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 person(s) controlling the copyright in some of this
   material may not have granted the IETF Trust the right to allow
   modifications of such material outside the IETF Standards Process.
   Without obtaining an adequate license from the person(s) controlling
   the copyright in such materials, this document may not be modified
   outside the IETF Standards Process, and derivative works of it may
   not be created outside the IETF Standards Process, except to format
   it for publication as an RFC or to translate it into languages other
   than English.

Table of Contents

   1. Introduction ....................................................3
   2. Terminology .....................................................4
   3. Notification Message - Usage Scenarios ..........................4
      3.1. Notification Message - Examples ............................4
      3.2. Notification Message - Topology ............................5
           3.2.1. Notification Message between a Home Agent
                  and a Mobile Node ...................................6
           3.2.2. Notification Message between a Foreign Agent
                  and a Mobile Node ...................................6
           3.2.3. Notification Message between a Home Agent
                  and a Foreign Agent .................................7
   4. Generic Notification Message and Considerations .................7
      4.1. Generic Notification Message ...............................7
      4.2. Generic Notification Acknowledgement Message ..............11
      4.3. Notification Retransmission ...............................14
      4.4. General Implementation Considerations .....................15
      4.5. Mobile Node Considerations ................................15
           4.5.1. Receiving Generic Notification Messages ............15
           4.5.2. Sending Generic Notification
                  Acknowledgement Messages ...........................16
           4.5.3. Sending Generic Notification Messages ..............17
           4.5.4. Receiving Generic Notification
                  Acknowledgement Messages ...........................18
      4.6. Foreign Agent Consideration ...............................18

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