On 6/05/2008, at 1:21 PM, Joe Abley wrote: > On 5 May 2008, at 20:50, Nathan Ward wrote: > >> Perhaps what would make more sense here is Foundry (F5, etc.) >> building >> an anycast feature - anycast prefixes are withdrawn when a cluster >> relying on that anycast prefix goes below a threshold. > > I'm not sure exactly what feature is required, here. f5s of my > acquaintance are already very capable of making OSPF LSAs based on > virtual servers' pools being non-empty. Do it on more than one f5 in > the same area, and you're anycasting service availability with the > current feature set.
Can they do it with BGP for Internet anycast? > The general reason why people prefer to find alternative solutions > rather than use dedicated load-balancers are that the dedicated load- > balancers are hellishly more expensive than the $5 gigabit switch > you probably already have in your garage. The dedicated load balancers also talk BGP (well, ones I've played with), so that does away with the need for a BGP speaking router. -- Nathan Ward _______________________________________________ NANOG mailing list NANOG@nanog.org http://mailman.nanog.org/mailman/listinfo/nanog
