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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical RE: Cogent move without renumbering
> > On Fri, 7 Oct 2005, Hannigan, Martin wrote: > > >> Is it reasonable to think that numerous /24's from L3's IP > >> space could be > >> reassigned elsewhere without causing significant trouble for > >> L3 and others? Even > >> if it could work, what would be the justification for taking > >> L3's property? > > > > Depending upon the circumstance, yes: > > > > http://www.cctec.com/maillists/nanog/current/msg01880.html > > I think that is not entirely correct comparison. Original > poster did not > not say that the current L3 customers would entirely leave > L3, but that > he asked if they could do something to get other type of > connectivity if > they have L3 ip space. > > The answer is that if they have /24 or longer and have router > then they > can turn on BGP and announce that /24 both to L3 and to > another ISP and > in this way have full connectivity. This would not be an > attempt to take > ip ip space away from L3. But this is not something they > could do within > couple days if they do not run BGP and do not have ASN (takes > at least a > week to get it from ARIN). For a minute there, I thought you might be right since I'm browsing for clue factor and may have missed something, but, it appears you are inaccurate in this as the poster did say: --QUOTE "If a single-homed network moves from L3 to Cogent, how would they benefit? Would they not still be cut off from a significant percentage of the Internet? Is it reasonable to think that numerous /24's from L3's IP space could be reassigned elsewhere without causing significant trouble for L3 and others? Even if it could work, what would be the justification for taking L3's property?" --END QUOTE That quote is asking if someone can take Level(3)'s PA space assigned with them to another providers network. The answer is yes, it's possible. IANAL
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