On Mar 28, 2011, at 5:40 PM, Owen DeLong wrote: > On Mar 28, 2011, at 2:13 PM, Dave Temkin wrote: >> On 3/27/11 2:53 AM, Patrick W. Gilmore wrote: >>> On Mar 25, 2011, at 3:33 PM, Owen DeLong wrote: >>> >>>>> Single AS worldwide is fine with or without a backbone. >>>>> >>>> Only if you want to make use of ugly ugly BGP hacks on your routers, or, >>>> you don't care about Site A being >>>> able to hear announcements from Site B. >>> You are highly confused. >>> >>> Accepting default is not ugly, especially if you don't even have a backbone >>> connecting your sites. And even if we could argue over default's aesthetic >>> qualities (which, honestly, I don't see how we can), there is no rational >>> person who would consider it a hack. >>> >>> You really should stop trying to correct the error you made in your first >>> post. Remember the old adage about when you find yourself in a hole. >>> >>> Another thing to note is the people who actually run multiple discrete >>> network nodes posting here all said it was fine to use a single AS. One >>> even said the additional overhead of managing multiple ASes would be more >>> trouble than it is worth, and I have to agree with that statement. Put >>> another way, there is objective, empirical evidence that it works. >>> >>> In response, you have some nebulous "ugly" comment. I submit your argument >>> is, at best, lacking sufficient definition to be considered useful. >>> >> And in reality, is "allowas-in" *that* horrible of a hack? If used >> properly, I'd say not. In a network where you really are split up >> regionally with no backbone there's really little downside, especially >> versus relying on default only. >> >> -Dave > > I agree that allowas-in is not as bad as default, but, I still think that > having one AS per routing policy makes a hell of a > lot more sense and there's really not much downside to having an ASN for each > independent site.
I'm glad you ignored Woody and others, who actually runs a multi-site, single-as topology. How many multi-site (non)networks have you run with production traffic? -- TTFN, patrick
