draft-ietf-sfc-nsh-06.txt   draft-ietf-sfc-nsh-07.txt 
Service Function Chaining P. Quinn, Ed. Service Function Chaining P. Quinn, Ed.
Internet-Draft Cisco Systems, Inc. Internet-Draft Cisco Systems, Inc.
Intended status: Standards Track U. Elzur, Ed. Intended status: Standards Track U. Elzur, Ed.
Expires: February 24, 2017 Intel Expires: February 24, 2017 Intel
August 23, 2016 August 23, 2016
Network Service Header Network Service Header
draft-ietf-sfc-nsh-06.txt draft-ietf-sfc-nsh-07.txt
Abstract Abstract
This document describes a Network Service Header (NSH) inserted onto This document describes a Network Service Header (NSH) inserted onto
packets or frames to realize service function paths. NSH also packets or frames to realize service function paths. NSH also
provides a mechanism for metadata exchange along the instantiated provides a mechanism for metadata exchange along the instantiated
service path. NSH is the SFC encapsulation required to support the service path. NSH is the SFC encapsulation required to support the
Service Function Chaining (SFC) Architecture (defined in RFC7665). Service Function Chaining (SFC) Architecture (defined in RFC7665).
1. Requirements Language 1. Requirements Language
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| 255 | Experiment 2 | This document | | 255 | Experiment 2 | This document |
+---------+--------------+---------------+ +---------+--------------+---------------+
Table 1 Table 1
12.2.4. MD Class Registry 12.2.4. MD Class Registry
IANA is requested to set up a registry of "MD Class". These are 16- IANA is requested to set up a registry of "MD Class". These are 16-
bit values. MD Classes defined by this document are assigned as bit values. MD Classes defined by this document are assigned as
follows: follows:
0x0000 to 0x01ff: IETF Review 0x0000 to 0x01ff: IETF Review
0x0200 to 0x7fff: Expert Review 0x0200 to 0xfff5: Expert Review
0xfff6 to 0xfffe: Experimental 0xfff6 to 0xfffe: Experimental
0xffff: Reserved 0xffff: Reserved
12.2.5. NSH Base Header Next Protocol 12.2.5. NSH Base Header Next Protocol
IANA is requested to set up a registry of "Next Protocol". These are IANA is requested to set up a registry of "Next Protocol". These are
8-bit values. Next Protocol values 0, 1, 2, 3, 4 and 5 are defined 8-bit values. Next Protocol values 0, 1, 2, 3, 4 and 5 are defined
in this draft. New values are assigned via Standards Action in this draft. New values are assigned via Standards Action
[RFC5226]. [RFC5226].
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