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changes to unnumbered and link bundling

  • From: Yakov Rekhter <yakov@juniper.net>
  • Date: Fri, 02 Nov 2001 09:01:57 -0800
  • cc: swallow@cisco.com

Folks,

Based on the results of the e-mail exchange on this list
I plan to make the following changes in draft-ietf-mpls-bundle,
draft-ietf-mpls-rsvp-unnum, and in draft-ietf-mpls-crldp-unnum:

1) Mandate that one always use the IF_ID HOP on bundled links
   (thus eliminating the Implicit Indication from
    draft-ietf-mpls-bundle-00.txt).

2) Do away with the COMPONENT_IF_* TLV, and just use IF_INDEX for
   identifying (unnumbered) components in link bundling

3) Mandate that one always use the IF_ID HOP object on an unnumbered
   link.

4) Make handling numbered and unnumberd interfaces in the ERO
   more consistent/uniform by changing the semantics of the Unnumbered
   interface subobject (or more precisely the Interface ID field
   of this subobject) from:

       The Interface ID is the outgoing interface identifier with 
       respect to the LSR specified by the router ID.

   to

       The Interface ID is the interface identifier assigned to 
       the interface by the LSR specified by the router ID.

   and making other appropriate changes in the text to reflect this.

Yakov.