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Cell Relay Retreat>MPLS WG Archive>month:2003-Nov> msg00178



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on documenting ECMP (was on the mpls oam framework)

  • From: David Charlap <David.Charlap@marconi.com>
  • Date: Wed, 19 Nov 2003 11:04:02 -0500
  • Organization: Marconi, Vienna VA
  • User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.5) Gecko/20031007

Curtis Villamizar wrote:
> David Charlap writes:
>> Curtis Villamizar wrote:
>>> 
>>> First of all:  RSVP/TE != explicit-path ...
>> 
>> RSVP-TE's definition of "explicit" can be rather fluid, depending
>> on the nature of the ERO object and how it is generated. ...
> 
> I was using the RFC2702 definition of explicit-path. ...
> 
> My statement still stands: RSVP/TE != explicit-path.  And the rest of
> it remains true.  I neglected to mention that an explicit-path may
> contain loose hops.

I think you misunderstood my post.  I was posting more detailed
information about RSVP in support of your statement, not as a
counterexample.

RSVP-TE can only be considered equivalent with explicit-path for a small 
subset of the various mechanisms that RSVP implementations may generate 
and use the EXPLICIT_ROUTE object - for other usages, they are not even 
close to equivalent.

> Your statement is also entirely correct.  I think we are going off
> into detail on a tangent.  Just wanted to clarify where the
> definition comes from and that it really does mean "configured"
> (which can include SNMP - to fend off another possible tangient).

-- David