Re: [mpls] MPLS-RT review of draft-osborne-mpls-extended-admin-groups-01

"Adrian Farrel" <adrian@olddog.co.uk> Mon, 03 June 2013 15:03 UTC

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From: Adrian Farrel <adrian@olddog.co.uk>
To: "'Eric Osborne (eosborne)'" <eosborne@cisco.com>, 'Daniel King' <daniel@olddog.co.uk>, 'Loa Andersson' <loa@pi.nu>, 'Mach Chen' <mach.chen@huawei.com>, n.leymann@telekom.de, 'Curtis Villamizar' <curtis@occnc.com>
References: <51975D16.9010709@pi.nu> <00c301ce6042$e5885bf0$b09913d0$@olddog.co.uk> <00cc01ce604d$6870bc10$39523430$@olddog.co.uk> <044f01ce6066$406c67a0$c14536e0$@olddog.co.uk> <20ECF67871905846A80F77F8F4A275721025554A@xmb-rcd-x09.cisco.com>
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Date: Mon, 03 Jun 2013 16:03:19 +0100
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Cc: mpls@ietf.org, mpls-chairs@tools.ietf.org, draft-osborne-mpls-extended-admin-groups@tools.ietf.org
Subject: Re: [mpls] MPLS-RT review of draft-osborne-mpls-extended-admin-groups-01
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Hi Eric,

> The short answer is that some operators use link colors with global
significance
> (e.g. "This is a link in the northeastern US part of my network") and use this
> information in their path calculation.  Providing this sort of geotagging
information
> with the existing AGs limits you to 32 regions worldwide.  I'll add something
to
> this effect at the next update.

Thanks for the background.

It makes me wonder whether this use is really resource affinities or a different
pseudo-SRLG-geo-proximity indicator.

Maybe the answer is that you need an entirely new object for an entirely
different application?

Adrian