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Checking references for intended status: Experimental ---------------------------------------------------------------------------- ** Obsolete normative reference: RFC 1700 (Obsoleted by RFC 3232) ** Obsolete normative reference: RFC 6830 (Obsoleted by RFC 9300, RFC 9301) Summary: 2 errors (**), 0 flaws (~~), 1 warning (==), 1 comment (--). Run idnits with the --verbose option for more detailed information about the items above. -------------------------------------------------------------------------------- 2 Network Working Group D. Farinacci 3 Internet-Draft lispers.net 4 Intended status: Experimental March 27, 2017 5 Expires: September 28, 2017 7 LISP Distinguished Name Encoding 8 draft-farinacci-lisp-name-encoding-03 10 Abstract 12 This draft defines how to use the AFI=17 Distinguished Names in LISP. 14 Status of This Memo 16 This Internet-Draft is submitted in full conformance with the 17 provisions of BCP 78 and BCP 79. 19 Internet-Drafts are working documents of the Internet Engineering 20 Task Force (IETF). Note that other groups may also distribute 21 working documents as Internet-Drafts. The list of current Internet- 22 Drafts is at http://datatracker.ietf.org/drafts/current/. 24 Internet-Drafts are draft documents valid for a maximum of six months 25 and may be updated, replaced, or obsoleted by other documents at any 26 time. It is inappropriate to use Internet-Drafts as reference 27 material or to cite them other than as "work in progress." 29 This Internet-Draft will expire on September 28, 2017. 31 Copyright Notice 33 Copyright (c) 2017 IETF Trust and the persons identified as the 34 document authors. All rights reserved. 36 This document is subject to BCP 78 and the IETF Trust's Legal 37 Provisions Relating to IETF Documents 38 (http://trustee.ietf.org/license-info) in effect on the date of 39 publication of this document. Please review these documents 40 carefully, as they describe your rights and restrictions with respect 41 to this document. Code Components extracted from this document must 42 include Simplified BSD License text as described in Section 4.e of 43 the Trust Legal Provisions and are provided without warranty as 44 described in the Simplified BSD License. 46 Table of Contents 48 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2 49 2. Definition of Terms . . . . . . . . . . . . . . . . . . . . . 3 50 3. Distinguished Name Format . . . . . . . . . . . . . . . . . . 3 51 4. Security Considerations . . . . . . . . . . . . . . . . . . . 4 52 5. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 4 53 6. Normative References . . . . . . . . . . . . . . . . . . . . 4 54 Appendix A. Acknowledgments . . . . . . . . . . . . . . . . . . 4 55 Appendix B. Document Change Log . . . . . . . . . . . . . . . . 4 56 B.1. Changes to draft-farinacci-lisp-name-encoding-03 . . . . 4 57 B.2. Changes to draft-farinacci-lisp-name-encoding-02 . . . . 4 58 B.3. Changes to draft-farinacci-lisp-name-encoding-01 . . . . 5 59 B.4. Changes to draft-farinacci-lisp-name-encoding-00 . . . . 5 60 Author's Address . . . . . . . . . . . . . . . . . . . . . . . . 5 62 1. Introduction 64 The LISP architecture and protocols [RFC6830] introduces two new 65 numbering spaces, Endpoint Identifiers (EIDs) and Routing Locators 66 (RLOCs) which are intended to replace most use of IP addresses on the 67 Internet. To provide flexibility for current and future 68 applications, these values can be encoded in LISP control messages 69 using a general syntax that includes Address Family Identifier (AFI) 70 [RFC1700]. 72 The length of the value field is implicit in the type of address that 73 follows. For AFI 17, a Distinguished Name can be encoded. A name 74 can be a variable length field so the length cannot be determined 75 solely from the AFI value 17. This draft defines a termination 76 character, an 8-bit value of 0 to be used as a string terminator so 77 the length can be determined. 79 LISP Distinguished Names are useful when encoded either in EID- 80 records or RLOC-records in LISP control messages. As EIDs, they can 81 be registered in the mapping system to find resources, services, or 82 simply used as a self-documenting feature that accompany other 83 address specific EIDs. As RLOCs, Distinguished Names, along with 84 RLOC specific addresses and parameters, can be used as labels to 85 identify equipment type, location, or any self-documenting string a 86 registering device desires to convey. 88 2. Definition of Terms 90 Address Family Identifier (AFI): a term used to describe an address 91 encoding in a packet. An address family currently defined for 92 IPv4 or IPv6 addresses. See [AFI] and [RFC1700] for details on 93 other types of information that can be AFI encoded. 95 3. Distinguished Name Format 97 An AFI=17 Distinguished Name is encoded as: 99 0 1 2 3 100 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 1 101 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 102 | AFI = 17 | ASCII String ... | 103 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 104 | ... ASCII String | 0 | 105 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 107 The string of characters are encoded in the ASCII character-set 108 definition [RFC0020]. 110 4. Security Considerations 112 There are no security considerations. 114 5. IANA Considerations 116 The code-point values in this specification are already allocated in 117 [AFI]. 119 6. Normative References 121 [AFI] IANA, , "Address Family Identifier (AFIs)", ADDRESS FAMILY 122 NUMBERS http://www.iana.org/numbers.html, Febuary 2007. 124 [RFC0020] Cerf, V., "ASCII format for network interchange", STD 80, 125 RFC 20, DOI 10.17487/RFC0020, October 1969, 126 . 128 [RFC1700] Reynolds, J. and J. Postel, "Assigned Numbers", RFC 1700, 129 DOI 10.17487/RFC1700, October 1994, 130 . 132 [RFC6830] Farinacci, D., Fuller, V., Meyer, D., and D. Lewis, "The 133 Locator/ID Separation Protocol (LISP)", RFC 6830, 134 DOI 10.17487/RFC6830, January 2013, 135 . 137 Appendix A. Acknowledgments 139 The author would like to thank the LISP WG for their review and 140 acceptance of this draft. 142 Appendix B. Document Change Log 144 B.1. Changes to draft-farinacci-lisp-name-encoding-03 146 o Submitted March 2017. 148 o Update document expiry timer. 150 B.2. Changes to draft-farinacci-lisp-name-encoding-02 152 o Submitted October 2016. 154 o Add a comment that the distinguished-name encoding is restricted 155 to ASCII character encodings only. 157 B.3. Changes to draft-farinacci-lisp-name-encoding-01 159 o Submitted October 2016. 161 o Update document timer. 163 B.4. Changes to draft-farinacci-lisp-name-encoding-00 165 o Initial draft submitted April 2016. 167 Author's Address 169 Dino Farinacci 170 lispers.net 171 San Jose, CA 172 USA 174 Email: farinacci@gmail.com