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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: FW: /8s and filtering
Hello, I had the same questions. Could someone please answer these? Harsha. On Tue, 10 Dec 2002, Forrest wrote: > > > > > > >I was also curious about this - if I am a customer who wants to > > >multihome and can justify only a /24, I would go to an ISP which has an > > >allocation from the Class C space rather than one from the Class A > > >space. > > > > It doesn't matter. For all practical purposes, basement multihomers > > only > > care that their two or three providers have their route. > > > Maybe I'm missing something, but what good would it do for someone to > multihome if only their own providers accept their route, but nobody else > does? I realize that their block should be still announced with their > ISP's larger aggregate, but what good does this do if your ISP goes down > and can't announce the large aggregate. > > If you're a smaller organization, perhaps you'll only have a /23 from your > upstream provider. With the filtering that seems to be in place, it seems > like the only way you can truly multihome with a /23 is if it happens to > be in the old Class C space. Or is this wrong? > > What seems to be needed is perhaps a /8 set aside by the RIR specifically > to allocate to small organizations that wish to multihome that people > would accept /24 and shorter from. > > Forrest > >
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