Re: [isp-bgp] IX core - public or private ASN?

["Tom Sanders" <toms.sanders@gmail.com>]

Hmm .. I dont think its so simple. If i am peering up with an IX then
i need to expose all my policies right? Or else how do i get the
routes?

A lot of clients may not be willing to expose all of their policies.
But if they dont do that, then may get some odd routes.

I would love the idea of peering up with IL3 Xes if we can do away
with this bit, and if they can come out with a way with which i dont
need to expose all my routing policies.


On 24/03/06, Dan Farrell <danno@appliedi.net> wrote:
> I would agree completely with the route server idea... gives much more
> scalability while centralizing most guts of your BGP configuration... if
> we're thinking of the same method of implementation ;)
>
> I'm in the process of converting to route servers now in our network...
>
> Dan Farrell
> Applied Innovations
> danno@appliedi.net
>
> -----Original Message-----
> From: Pete Templin [mailto:petelists@templin.org]
> Sent: Friday, March 24, 2006 9:33 AM
> To: isp-bgp@isp-bgp.com
> Subject: Re: [isp-bgp] IX core - public or private ASN?
>
> Aliaga, Luis Carlos - (Per) wrote:
> >
> > I'm Luis form Peru and i'm writing to the list regarding the
> > implementation of a new arquitecture for the Peruvian IX. We're going
> to
> > implement a two-router core running iBGP peering with each of the
> ISP's
> > routers (e-bgp), so we are discussing the advantajes and disadvantages
> > of using a private or public ASN for the IX's core.
>
> What's the topology?  If it's switched, you may want to consider route
> servers rather than routers, as many of the route server software tools
> allow the ability to hide their own AS, in which case private or public
> ASN won't make much difference.  If it's routed, I'd lean toward public
> ASN since it'll be visible in the AS path, or consider whether it'd be
> better to simply route between the subnets and let the participants peer
>
> with each other.  Adding to the AS path length may cause networks to
> de-prefer your IX without copious tuning.
>
> pt
>
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--
Toms.





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