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List:       isp-bgp
Subject:    RE: BGP4 extensions
From:       "Daniel Golding" <dan () netrail ! net>
Date:       2001-05-23 15:49:02
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Amjad,

Although you can use confed BGP with multiple "real" AS numbers, that is not
the most usual application. Generally, confeds are implimented with private
AS number, with a single sub-as per POP or small area, the idea being to
keep the number of routers in each sub-as to a minimum.

- Daniel L Golding

> -----Original Message-----
> From: Khan, Amjad [mailto:AKhan@flagtelecom.com]
> Sent: Wednesday, May 23, 2001 3:30 AM
> To: isp-bgp@isp-bgp.com
> Subject: RE: BGP4 extensions
>
>
> KAtia,
> There is alot of info, theory on why do we use RRs or Confeds.
> In few words.....RRs useful when your ibgp mesh becomes cumersome >100
> perhaps.  Confeds useful when you have more than one AS/global
> presence and
> you are a big provider.
>
> Regards,
> Amjad
>
> -----Original Message-----
> From: Katia Linker [mailto:KatiaL@Radlan.co.il]
> Sent: Wednesday, May 23, 2001 12:29 PM
> To: isp-bgp@isp-bgp.com
> Subject: BGP4 extensions
>
>
> Hi !
> I'm new in BGP4 area, so my question may be very simple, but I still
> don't know the answer.
> I'm talking about 2 extensions - Route Reflection & AS Confederation.
> They both deal with I-BGP scaling problem, so why do I need them both ?
>    I'll appreciate your response.
>        Katya
>
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