North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: long as path games?
On Mon, 31 Jan 2005, william(at)elan.net wrote: > > > On Mon, 31 Jan 2005, Christopher L. Morrow wrote: > > > > Well, long as-path of 100 is certain to be invalid (result of misconfig if > > > > just curious, why would it be invalid? > > Its invalid in practice. You can build network with as-path larger then > 100 in your lab, but in real world, we do not have this. > > Of course you might say that its possible that we have less then 100 > networks and each one is prepending several of their own as# and real > number of networks is something like 20, but even that is too many and > each network as-prepending 5 of their own AS is also rather unlikely. so, 'dumb' but not 'invalid'... There might very well be networks (say not on the internet) where as-paths longer than 100 might be required. Saying: "they are invalid" isn't correct. Saying: "The use of as-path longer than 100 on today's Internet isn't helpful" is correct, or so say you and atleast blaine.
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