Network Working Group D. Farinacci Internet-Draft lispers.net Intended status: Experimental D. Meyer Expires: July 31, 2014 Brocade J. Snijders Hibernia Networks January 27, 2014 LISP Canonical Address Format (LCAF) draft-ietf-lisp-lcaf-04 Abstract This draft defines a canonical address format encoding used in LISP control messages and in the encoding of lookup keys for the LISP Mapping Database System. 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 http://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 July 31, 2014. Copyright Notice Copyright (c) 2014 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 include Simplified BSD License text as described in Section 4.e of the Trust Legal Provisions and are provided without warranty as Farinacci, et al. Expires July 31, 2014 [Page 1] Internet-Draft LISP Canonical Address Format (LCAF) January 2014 described in the Simplified BSD License. Table of Contents 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 3 2. Definition of Terms . . . . . . . . . . . . . . . . . . . . . 4 3. LISP Canonical Address Format Encodings . . . . . . . . . . . 5 4. LISP Canonical Address Applications . . . . . . . . . . . . . 7 4.1. Segmentation using LISP . . . . . . . . . . . . . . . . . 7 4.2. Carrying AS Numbers in the Mapping Database . . . . . . . 8 4.3. Convey Application Specific Data . . . . . . . . . . . . . 9 4.4. Assigning Geo Coordinates to Locator Addresses . . . . . . 10 4.5. Generic Database Mapping Lookups . . . . . . . . . . . . . 12 4.6. NAT Traversal Scenarios . . . . . . . . . . . . . . . . . 13 4.7. PETR Admission Control Functionality . . . . . . . . . . . 15 4.8. Multicast Group Membership Information . . . . . . . . . . 16 4.9. Traffic Engineering using Re-encapsulating Tunnels . . . . 18 4.10. Storing Security Data in the Mapping Database . . . . . . 19 4.11. Source/Destination 2-Tuple Lookups . . . . . . . . . . . . 20 4.12. Replication List Entries for Multicast Forwarding . . . . 21 4.13. Data Model Encoding . . . . . . . . . . . . . . . . . . . 22 4.14. Encoding Key/Value Address Pairs . . . . . . . . . . . . . 23 4.15. Applications for AFI List Type . . . . . . . . . . . . . . 23 4.15.1. Binding IPv4 and IPv6 Addresses . . . . . . . . . . . 23 4.15.2. Layer-2 VPNs . . . . . . . . . . . . . . . . . . . . 25 4.15.3. ASCII Names in the Mapping Database . . . . . . . . . 25 4.15.4. Using Recursive LISP Canonical Address Encodings . . 26 4.15.5. Compatibility Mode Use Case . . . . . . . . . . . . . 27 5. Security Considerations . . . . . . . . . . . . . . . . . . . 28 6. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 29 7. References . . . . . . . . . . . . . . . . . . . . . . . . . . 30 7.1. Normative References . . . . . . . . . . . . . . . . . . . 30 7.2. Informative References . . . . . . . . . . . . . . . . . . 30 Appendix A. Acknowledgments . . . . . . . . . . . . . . . . . . . 32 Appendix B. Document Change Log . . . . . . . . . . . . . . . . . 33 B.1. Changes to draft-ietf-lisp-lcaf-04.txt . . . . . . . . . . 33 B.2. Changes to draft-ietf-lisp-lcaf-03.txt . . . . . . . . . . 33 B.3. Changes to draft-ietf-lisp-lcaf-02.txt . . . . . . . . . . 33
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