RE: BGP-based blackholing/hijacking patented in Australia?

["Barry Raveendran Greene" <bgreene () cisco com>]

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> The service doesn't use a transparent firewall/proxy, but 
> instead updates 
> routing information by BGP and that traffic gets sent to:from 
> the system 
> via a tunnel.

BGP Shunt to a tunnel is has been done by several providers on this
list for years. In some cases, it has been used for Lawful Intercept
(BGP Shunt down a GRE tunnel).

Then there is the BGP Shunt down a MPLS tunnel (the MPLS Shunt). Colt
was one of the first to deploy this:

http://www.ripe.net/ripe/meetings/ripe-46/presentations/ripe46-eof-fis
chbach.pdf


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