Publish/Subscribe Functionality for LISP
draft-ietf-lisp-pubsub-00

Document Type Active Internet-Draft (lisp WG)
Last updated 2018-04-25
Replaces draft-rodrigueznatal-lisp-pubsub
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LISP Working Group                                    A. Rodriguez-Natal
Internet-Draft                                                V. Ermagan
Intended status: Experimental                                   J. Leong
Expires: October 27, 2018                                       F. Maino
                                                           Cisco Systems
                                                    A. Cabellos-Aparicio
                                       Technical University of Catalonia
                                                               S. Barkai
                                                        Fermi Serverless
                                                            D. Farinacci
                                                             lispers.net
                                                            M. Boucadair
                                                            C. Jacquenet
                                                                  Orange
                                                                S. Secci
                                                               LIP6 UPMC
                                                          April 25, 2018

                Publish/Subscribe Functionality for LISP
                       draft-ietf-lisp-pubsub-00

Abstract

   This document specifies an extension to the use of Map-Request to
   enable Publish/Subscribe (PubSub) operation for LISP.

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
   Task Force (IETF).  Note that other groups may also distribute
   working documents as Internet-Drafts.  The list of current Internet-
   Drafts is at https://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
   and may be updated, replaced, or obsoleted by other documents at any
   time.  It is inappropriate to use Internet-Drafts as reference
   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on October 27, 2018.

Rodriguez-Natal, et al. Expires October 27, 2018                [Page 1]
Internet-Draft                 LISP-PubSub                    April 2018

Copyright Notice

   Copyright (c) 2018 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
   (https://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
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   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.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Requirements Language . . . . . . . . . . . . . . . . . . . .   3
   3.  Deployment Assumptions  . . . . . . . . . . . . . . . . . . .   3
   4.  Map-Request Additions . . . . . . . . . . . . . . . . . . . .   4
   5.  Mapping Request Subscribe Procedures  . . . . . . . . . . . .   5
   6.  Mapping Notification Publish Procedures . . . . . . . . . . .   7
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .   8
   8.  Acknowledgments . . . . . . . . . . . . . . . . . . . . . . .   8
   9.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   8
   10. Normative References  . . . . . . . . . . . . . . . . . . . .   8
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .   8

1.  Introduction

   The Locator/ID Separation Protocol (LISP) [RFC6830] splits current IP
   addresses in two different namespaces, Endpoint Identifiers (EIDs)
   and Routing Locators (RLOCs).  LISP uses a map-and-encap approach
   that relies on (1) a Mapping System (basically a distributed
   database) that stores and disseminates EID-RLOC mappings and on (2)
   LISP tunnel routers (xTRs) that encapsulate and decapsulate data
   packets based on the content of those mappings.

   ITRs/RTRs/PITRs pull EID-to-RLOC mapping information from the Mapping
   System by means of an explicit request message.  [RFC6830] indicates
   how ETRs can tell ITRs/RTRs/PITRs about mapping changes.  This
   document presents a Publish/Subscribe (PubSub) extension in which the
   Mapping System can notify ITRs/RTRs/PITRs about mapping changes.
   When this mechanism is used, mapping changes can be notified faster
   and can be managed in the Mapping System versus the LISP sites.

Rodriguez-Natal, et al. Expires October 27, 2018                [Page 2]
Internet-Draft                 LISP-PubSub                    April 2018
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