Thank you to everyone who has offered different explanations.. Yes, all it take is one party pooper to spoil a good party...
So now the question is (public or private) what is the best practices to protect the network ? :) Faisal Imtiaz Snappy Internet & Telecom ----- Original Message ----- > From: "John Osmon" <jos...@rigozsaurus.com> > To: "nanog list" <nanog@nanog.org> > Sent: Tuesday, August 18, 2015 8:30:45 PM > Subject: Re: Peering + Transit Circuits > On Tue, Aug 18, 2015 at 11:27:53PM +0000, Faisal Imtiaz wrote: >> Thanks for the explanation, >> I am still trying to figure out the realistic business case where >> doing something like this would make sense to any party. >> (unless purely malicious or in error). > > I'm sure others will reply as well, but in case it helps someone > googling in years to come... > > > Let's look at ParasiteNet, a content heavy network with three BGP > peerings: > - Transit provider A via 100Mbps > - Transit provider B via 100Mbps > - Peer P via 1GBps (who also buys from provider B at 10G) > > If ParasiteNet needed to push more than 100Mbps to provider B, they > might be tempted to route the traffic to peer P, even though peer P > didn't advertise those routes. > > ParasiteNet gets a free ride if peer P doesn't notice what is going on > (until they need more than 100Mbps inbound). > > > I've been told of an occurance of this when a private network started > peering with an edu network. Once the link was up, an absurd amount of > traffic went across the link -- all destined for "the Internet" rather > than the edu network. > > When the edu network shutdown the link, they were threatened with > lawsuits...