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Re: [OSPF] Re: [Fwd: [mpls] WG Last Call on draft-ietf-mpls-number-0-bw-te-lsps-02.txt]

Curtis Villamizar <curtis@occnc.com> Fri, 01 December 2006 01:37 UTC

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To: JP Vasseur <jvasseur@cisco.com>
Subject: Re: [OSPF] Re: [Fwd: [mpls] WG Last Call on draft-ietf-mpls-number-0-bw-te-lsps-02.txt]
In-reply-to: Your message of "Thu, 30 Nov 2006 14:29:49 EST." <4354A088-B93C-457F-93FD-55B8EB4A861A@cisco.com>
Date: Thu, 30 Nov 2006 20:48:08 -0500
From: Curtis Villamizar <curtis@occnc.com>
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Cc: George Swallow <swallow@cisco.com>, rtg-dir@ietf.org, isis-wg@ietf.org, ospf@ietf.org, David Ward <dward@cisco.com>, Loa Andersson <loa@pi.se>
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In message <4354A088-B93C-457F-93FD-55B8EB4A861A@cisco.com>
JP Vasseur writes:
>  
> Other attributes such as affinity should be used to not allows 0-bw  
> TE LSP to traverse a specific link. This TLV is only used to report  
> the number of such TE LSPs traversing the link.
>  
> Thanks.
>  
> JP.


The provider already has the necessary tools that can be used to
accomplish this.  If a general purpose tool (attributes and
affinities) is available which accomplishes something a special
purpose tool to accomplish the same thing is not needed.

Such a tool would only be useful if the administration of the MPLS
midpoint (where the attribute is set) had no control over the
administration of the MPLS ingress or a border that is doing route
computation (where the affinity is set).  I don't see any anticipated
real world deployment that would benefit from this.  If you do, then
please explain the deployment scenario.

Curtis

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