On Wed, 2011-02-16 at 06:43 +0800, Aaron Riemer wrote:
> Thanks Joshua you mention that the anycast hosts actually advertise their
> host route? Do they typically run a routing protocol to do this?

Our anycasted servers run Quagga and have a BGP session with the edge
routers in the network. All machines serving the same anycast address
use the same (private) AS, different from the core AS. The advertise one
or more host routes.

It works like a charm. When you need to service a machine you just stop
the BGPd and do your thing, nobody notices. (Unless they're really smart
and look carefully of course.)

-- 
Peter


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