disconnected autonomous systems
Kris.Foster at telus.com
Wed Nov 13 21:11:20 UTC 2002
> Aren't some reasons for using disconnected as's regulatory
> based ie the
> bells etc?
As far as I've seen they do the right thing and use multiple ASNs.
> On Wed, 13 Nov 2002 alex at yuriev.com wrote:
> > > > inherently wrong with using a single AS in multiple
> locations, and
> > > > advertising discrete blocks of address space in each
> one. The best reason
> > > > to do this is for a network that you eventually plan to
> merge - it
> > > > eliminates issues of having to make major BGP
> configuration changes.
> > >
> > > Nothing inherently wrong with it if you're paying for
> transit, but good
> > > luck getting peering in multiple locations without
> presenting consistent
> > > views.
> > No problem at all. Use a tunnel.
> > Going back to the original question:
> > (A) Is there a reason have disconnected ASs? Sure. Does it
> make more sense
> > than using multiple AS numbers? No.
> > (B) Is there a reason to deaggregate? Absolutely. The
> biggest being rather
> > bad internal allocations practiced by networks.
> > Alex
> > --
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