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Network Working Group                                       D. Farinacci
Internet-Draft                                               lispers.net
Intended status: Experimental                            October 5, 2016
Expires: April 8, 2017


                    LISP Distinguished Name Encoding
                 draft-farinacci-lisp-name-encoding-02

Abstract

   This draft defines how to use the AFI=17 Distinguished Names in 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
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   This Internet-Draft will expire on April 8, 2017.

Copyright Notice

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

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   described in the Simplified BSD License.







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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Definition of Terms . . . . . . . . . . . . . . . . . . . . .   3
   3.  Distinguished Name Format . . . . . . . . . . . . . . . . . .   3
   4.  Security Considerations . . . . . . . . . . . . . . . . . . .   4
   5.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   4
   6.  Normative References  . . . . . . . . . . . . . . . . . . . .   4
   Appendix A.  Acknowledgments  . . . . . . . . . . . . . . . . . .   4
   Appendix B.  Document Change Log  . . . . . . . . . . . . . . . .   4
     B.1.  Changes to draft-farinacci-lisp-name-encoding-02.txt  . .   4
     B.2.  Changes to draft-farinacci-lisp-name-encoding-01.txt  . .   4
     B.3.  Changes to draft-farinacci-lisp-name-encoding-00.txt  . .   5
   Author's Address  . . . . . . . . . . . . . . . . . . . . . . . .   5

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].

   The length of the value field is implicit in the type of address that
   follows.  For AFI 17, a Distinguished Name can be encoded.  A name
   can be a variable length field so the length cannot be determined
   solely from the AFI value 17.  This draft defines a termination
   character, an 8-bit value of 0 to be used as a string terminator so
   the length can be determined.

   LISP Distinguished Names are useful when encoded either in EID-
   records or RLOC-records in LISP control messages.  As EIDs, they can
   be registered in the mapping system to find resources, services, or
   simply used as a self-documenting feature that accompany other
   address specific EIDs.  As RLOCs, Distinguished Names, along with
   RLOC specific addresses and parameters, can be used as labels to
   identify equipment type, location, or any self-documenting string a
   registering device desires to convey.











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2.  Definition of Terms

   Address Family Identifier (AFI):  a term used to describe an address
      encoding in a packet.  An address family currently defined for
      IPv4 or IPv6 addresses.  See [AFI] and [RFC1700] for details on
      other types of information that can be AFI encoded.

3.  Distinguished Name Format

   An AFI=17 Distinguished Name is encoded as:

     0                   1                   2                   3
     0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
    |            AFI = 17           |       ASCII String ...        |
    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
    |               ...  ASCII String             |       0         |
    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

   The string of characters are encoded in the ASCII character-set
   definition [RFC0020].






























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4.  Security Considerations

   There are no security considerations.

5.  IANA Considerations

   The code-point values in this specification are already allocated in
   [AFI].

6.  Normative References

   [AFI]      IANA, , "Address Family Identifier (AFIs)", ADDRESS FAMILY
              NUMBERS http://www.iana.org/numbers.html, Febuary 2007.

   [RFC0020]  Cerf, V., "ASCII format for network interchange", STD 80,
              RFC 20, DOI 10.17487/RFC0020, October 1969,
              <http://www.rfc-editor.org/info/rfc20>.

   [RFC1700]  Reynolds, J. and J. Postel, "Assigned Numbers", RFC 1700,
              DOI 10.17487/RFC1700, October 1994,
              <http://www.rfc-editor.org/info/rfc1700>.

   [RFC6830]  Farinacci, D., Fuller, V., Meyer, D., and D. Lewis, "The
              Locator/ID Separation Protocol (LISP)", RFC 6830,
              DOI 10.17487/RFC6830, January 2013,
              <http://www.rfc-editor.org/info/rfc6830>.

Appendix A.  Acknowledgments

   The author would like to thank the LISP WG for their review and
   acceptance of this draft.

Appendix B.  Document Change Log

B.1.  Changes to draft-farinacci-lisp-name-encoding-02.txt

   o  Submitted October 2016.

   o  Add a comment that the distinguished-name encoding is restricted
      to ASCII character encodings only.

B.2.  Changes to draft-farinacci-lisp-name-encoding-01.txt

   o  Submitted October 2016.

   o  Update document timer.





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B.3.  Changes to draft-farinacci-lisp-name-encoding-00.txt

   o  Initial draft submitted April 2016.

Author's Address

   Dino Farinacci
   lispers.net
   San Jose, CA
   USA

   Email: farinacci@gmail.com







































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