Transcript PPT Version
ITU Liaison
IS-IS for IP
Standardization Request
Jonathan Sadler
SG15 Liaison to IETF for Routing
http://intwww/~jsadler/routing.ppt
Background
ITU SG15 Standardizes Transport Equipment
G.707 – SDH/SONET
G.709 – Digital Wrapper
Q14/15 is responsible for Standardizing Management
G.7712 - ARCHITECTURE AND SPECIFICATION OF DATA
COMMUNICATION NETWORK
Standardized in Oct 2001, v2 in Jan 2003
Extends Management Network defined in Q.811
Adds Signaling Communications Network (SCN)
Adds support for IP over the SONET/SDH DCC, G.709 GCC via PPP
IS-IS defined for use in IP and OSI MCN/SCN
April 24, 2002-#2
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ITU Citation Rules for RFCs (Rec. A.5)
Based on RFC 2026 Sec. 4
“An "Informational" specification is published for the general information of the Internet
community, and does not represent an Internet community consensus or
recommendation. The Informational designation is intended to provide for the timely
publication of a very broad range of responsible informational documents from many
sources, subject only to editorial considerations and to verification that there has been
adequate coordination with the standards process (see section 4.2.3).
“Specifications that have been prepared outside of the Internet community and are not
incorporated into the Internet Standards Process by any of the provisions of section
10 may be published as Informational RFCs, with the permission of the owner and the
concurrence of the RFC Editor.”
Normative References can only be made docs of status:
Best Current Practice
Proposed Standard
Draft Standard
Internet Standard
April 24, 2002-#3
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IS-IS for IP
Two Technical Issues
IS-IS Hellos on an Unreliable Data Link (i.e. PPP)
Addressed with Three-Way Handshake (RFC 3373)
Domain-wide Prefix Distribution (RFC 2966)
April 24, 2002-#4
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The Problem
Can’t cite as normative text due to Informational Status
Can’t copy into G.7712 due to IETF copyright
Temporarily Resolved by Paraphrasing Text
However, paraphrasing can cause further problems
April 24, 2002-#5
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The Proper Solution
With the agreement between IETF and JTC1 re: IS-IS
Standardization:
Internet-specific IS-IS Extensions
can become Standards Track RFCs without JTC1 involvement
Core IS-IS Mechanisms Extensions
can be submitted to JTC1 for Fast-Track review/approval
RFC 2966 falls under “Internet-specific IS-IS Extensions”
No modification to code IS-IS Mechanisms
Could be reclassified as Standards Track without JTC1
RFC 3373 falls under IS-IS Mechanisms Extensions
Modifies adjacency state machine and formation logic
April 24, 2002-#6
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The Request
Liaison from ITU-T Q14/15:
“We request that the IS-IS Working Group give priority
consideration for the reclassification of the following RFC:
RFC 2966 - Domain-wide Prefix Distribution with Two-Level IS-IS
Further, we request that the IS-IS Working Group submit the
following RFC to JTC1 for processing under the ISO/IEC Fasttrack approval process:
RFC 3373 - Three-Way Handshake for Intermediate System to
Intermediate System (IS-IS) Point-to-Point Adjacencies
We appreciate your attention to this matter.”
Liaison can be found at:
ftp://sg15opticalt:[email protected]/tsg15opticaltransport/COMMUNICATIONS/index.html
April 24, 2002-#7
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