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Re: BGP TE

  • From: JP Vasseur <jvasseur@cisco.com>
  • Date: Fri, 4 Mar 2005 14:58:40 -0500
  • Cc: Alok <alokdube@hotpop.com>, mpls-ops@mplsrc.com
  • Resent-Date: Fri, 4 Mar 2005 15:45:10 -0500
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On Mar 4, 2005, at 2:20 PM, Kireeti Kompella wrote:

> On Wed, 2 Mar 2005, JP Vasseur wrote:
>
>> Hi,
>>
>> On Feb 15, 2005, at 3:20 AM, Alok wrote:
>>
>>> Hi,
>>>
>>> Are there any standards or drafts for BGP based TE? (no i dont mean
>>> longest
>>> match)
>>>
>>
>> no.
>
> It depends on what you mean by BGP TE.  People traffic engineer with
> BGP today using MEDs, prefix lengths, communities, etc.
>
> If you mean carrying TE info in BGP, there is a *very* limited amount
> of info that can be carried in BGP *for the purpose of L1VPN setup*,
> not for Traffic Engineering as such.  See
> draft-ouldbrahim-ppvpn-gvpn-bgpgmpls-06.txt, which talks about
> carrying some link characteristics as BGP attributes (doesn't seem to
> have details of the format, though).

The format is not really what worries me but the amount of info to make 
it useful, impact on BGP, number of CSPF required at ASBR and so on,

I was talking about carrying TE info in BGP (BGP TE ;-)) for which I 
think this should by all means be avoided.

JP.

>
>> JP.
>>
>>> -thanks
>>> Alok
>>>
>>>
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>
> Kireeti.
> -------
>

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  • References:
    • Re: BGP TE
      • From: JP Vasseur <jvasseur@cisco.com>
    • Re: BGP TE
      • From: Kireeti Kompella <kireeti@juniper.net>
    • Re: BGP TE
      • From: Kireeti Kompella <kireeti@juniper.net>