draft-ietf-lisp-rfc6830bis-35.txt   draft-ietf-lisp-rfc6830bis-36.txt 
Network Working Group D. Farinacci Network Working Group D. Farinacci
Internet-Draft lispers.net Internet-Draft lispers.net
Obsoletes: 6830 (if approved) V. Fuller Obsoletes: 6830 (if approved) V. Fuller
Intended status: Standards Track vaf.net Internet Consulting Intended status: Standards Track vaf.net Internet Consulting
Expires: March 13, 2021 D. Meyer Expires: May 22, 2021 D. Meyer
1-4-5.net 1-4-5.net
D. Lewis D. Lewis
Cisco Systems Cisco Systems
A. Cabellos (Ed.) A. Cabellos (Ed.)
UPC/BarcelonaTech UPC/BarcelonaTech
September 9, 2020 November 18, 2020
The Locator/ID Separation Protocol (LISP) The Locator/ID Separation Protocol (LISP)
draft-ietf-lisp-rfc6830bis-35 draft-ietf-lisp-rfc6830bis-36
Abstract Abstract
This document describes the Data-Plane protocol for the Locator/ID This document describes the Data-Plane protocol for the Locator/ID
Separation Protocol (LISP). LISP defines two namespaces, End-point Separation Protocol (LISP). LISP defines two namespaces, End-point
Identifiers (EIDs) that identify end-hosts and Routing Locators Identifiers (EIDs) that identify end-hosts and Routing Locators
(RLOCs) that identify network attachment points. With this, LISP (RLOCs) that identify network attachment points. With this, LISP
effectively separates control from data, and allows routers to create effectively separates control from data, and allows routers to create
overlay networks. LISP-capable routers exchange encapsulated packets overlay networks. LISP-capable routers exchange encapsulated packets
according to EID-to-RLOC mappings stored in a local Map-Cache. according to EID-to-RLOC mappings stored in a local Map-Cache.
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Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
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Internet-Drafts are draft documents valid for a maximum of six months Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
This Internet-Draft will expire on March 13, 2021. This Internet-Draft will expire on May 22, 2021.
Copyright Notice Copyright Notice
Copyright (c) 2020 IETF Trust and the persons identified as the Copyright (c) 2020 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents Provisions Relating to IETF Documents
(https://trustee.ietf.org/license-info) in effect on the date of (https://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents publication of this document. Please review these documents
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router to uniquely identify the address space. The value is copied router to uniquely identify the address space. The value is copied
to the 'Instance ID' field of the LISP header, and the I-bit is set to the 'Instance ID' field of the LISP header, and the I-bit is set
to 1. to 1.
When an ETR decapsulates a packet, the Instance ID from the LISP When an ETR decapsulates a packet, the Instance ID from the LISP
header is used as a table identifier to locate the forwarding table header is used as a table identifier to locate the forwarding table
to use for the inner destination EID lookup. to use for the inner destination EID lookup.
For example, an 802.1Q VLAN tag or VPN identifier could be used as a For example, an 802.1Q VLAN tag or VPN identifier could be used as a
24-bit Instance ID. See [I-D.ietf-lisp-vpn] for LISP VPN use-case 24-bit Instance ID. See [I-D.ietf-lisp-vpn] for LISP VPN use-case
details. details. Please note that the Instance ID is not protected, an on-
path attacker can modify the tags and for instance, allow
communicatons between logically isolated VLANs.
Participants within a LISP deployment must agree on the meaning of Participants within a LISP deployment must agree on the meaning of
Instance ID values. The source and destination EIDs MUST belong to Instance ID values. The source and destination EIDs MUST belong to
the same Instance ID. the same Instance ID.
Instance ID SHOULD NOT be used with overlapping IPv6 EID addresses. Instance ID SHOULD NOT be used with overlapping IPv6 EID addresses.
9. Routing Locator Selection 9. Routing Locator Selection
The Map-Cache contains the state used by ITRs and PITRs to The Map-Cache contains the state used by ITRs and PITRs to
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lisp-data 4341 udp LISP Data Packets lisp-data 4341 udp LISP Data Packets
20. References 20. References
20.1. Normative References 20.1. Normative References
[I-D.ietf-lisp-6834bis] [I-D.ietf-lisp-6834bis]
Iannone, L., Saucez, D., and O. Bonaventure, "Locator/ID Iannone, L., Saucez, D., and O. Bonaventure, "Locator/ID
Separation Protocol (LISP) Map-Versioning", draft-ietf- Separation Protocol (LISP) Map-Versioning", draft-ietf-
lisp-6834bis-06 (work in progress), February 2020. lisp-6834bis-07 (work in progress), October 2020.
[I-D.ietf-lisp-rfc6833bis] [I-D.ietf-lisp-rfc6833bis]
Farinacci, D., Maino, F., Fuller, V., and A. Cabellos- Farinacci, D., Maino, F., Fuller, V., and A. Cabellos-
Aparicio, "Locator/ID Separation Protocol (LISP) Control- Aparicio, "Locator/ID Separation Protocol (LISP) Control-
Plane", draft-ietf-lisp-rfc6833bis-28 (work in progress), Plane", draft-ietf-lisp-rfc6833bis-29 (work in progress),
July 2020. September 2020.
[RFC0768] Postel, J., "User Datagram Protocol", STD 6, RFC 768, [RFC0768] Postel, J., "User Datagram Protocol", STD 6, RFC 768,
DOI 10.17487/RFC0768, August 1980, DOI 10.17487/RFC0768, August 1980,
<https://www.rfc-editor.org/info/rfc768>. <https://www.rfc-editor.org/info/rfc768>.
[RFC0791] Postel, J., "Internet Protocol", STD 5, RFC 791, [RFC0791] Postel, J., "Internet Protocol", STD 5, RFC 791,
DOI 10.17487/RFC0791, September 1981, DOI 10.17487/RFC0791, September 1981,
<https://www.rfc-editor.org/info/rfc791>. <https://www.rfc-editor.org/info/rfc791>.
[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
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