LISP Geo-Coordinate Use-Cases
draft-farinacci-lisp-geo-01

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Network Working Group                                       D. Farinacci
Internet-Draft                                               lispers.net
Intended status: Experimental                           October 12, 2016
Expires: April 15, 2017

                     LISP Geo-Coordinate Use-Cases
                      draft-farinacci-lisp-geo-01

Abstract

   This draft describes how Geo-Coordinates can be used in the LISP
   Architecture and Protocols.

Status of This Memo

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

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   This Internet-Draft will expire on April 15, 2017.

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   Copyright (c) 2016 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Definition of Terms . . . . . . . . . . . . . . . . . . . . .   2
   3.  Geo-Points in RLOC-records  . . . . . . . . . . . . . . . . .   3
   4.  Geo-Prefixes in EID-records and RLOC-records  . . . . . . . .   3
   5.  Geo-Prefix and Geo-Point Encodings  . . . . . . . . . . . . .   5
   6.  Security Considerations . . . . . . . . . . . . . . . . . . .   5
   7.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   5
   8.  References  . . . . . . . . . . . . . . . . . . . . . . . . .   6
     8.1.  Normative References  . . . . . . . . . . . . . . . . . .   6
     8.2.  Informative References  . . . . . . . . . . . . . . . . .   6
   Appendix A.  Acknowledgments  . . . . . . . . . . . . . . . . . .   6
   Appendix B.  Document Change Log  . . . . . . . . . . . . . . . .   6
     B.1.  Changes to draft-farinacci-lisp-geo--01.txt . . . . . . .   6
     B.2.  Changes to draft-farinacci-lisp-geo--00.txt . . . . . . .   7
   Author's Address  . . . . . . . . . . . . . . . . . . . . . . . .   7

1.  Introduction

   The LISP architecture and protocols [RFC6830] introduces two new
   numbering spaces, Endpoint Identifiers (EIDs) and Routing Locators
   (RLOCs) which are intended to replace most use of IP addresses on the
   Internet.  To provide flexibility for current and future
   applications, these values can be encoded in LISP control messages
   using a general syntax that includes Address Family Identifier (AFI)
   [RFC1700].

   This specification introduces the use of Geo-Coordinates that can be
   used in EID-records and RLOC-records of LISP control messages.  The
   encoding format is specified in [LCAF] as the "Geo-Coordinates LCAF
   Type".

2.  Definition of Terms

   Geo-Point  is a Geo-Coordinate according to [GEO] that defines a
      point from parameters Latitude, Longitude, and Altitude.

   Geo-Prefix  forms a circle of a geographic area made up of a Geo-
      Point and a Radius.  A Geo-Point is known to be "more-specific"
      than a Geo-Prefix when its physical location is within the
      geographic circle.

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3.  Geo-Points in RLOC-records

   Geo-Points can accompany an RLOC-record to determine the physical
   location of an ETR or RTR.  This can aid in determining geographical
   distance when topological distance is inaccurate or hidden.  When
   Geo-Points are encoded in RLOC-records with RLOC addresses the LCAF
   AFI-List Type should be used.

   Geo-Points can be used as the sole piece of information in an RLOC-
   record when an EID maps to a Geo-Coordinate.  If it is desirable to
   find the geographical location of any EID, this method can be
   convienent.

   Here is a high-level use-case where an EID that maps to a Geo-
   Coordinate can be used.  Lets say that am EID is assigned to a
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