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Date: Mon, 11 Sep 2006 10:34:14 -0700 From: Vince Fuller <vaf@cisco.com> To: Gert Doering <gert@Space.Net> Cc: Oliver Bartels <oliver@bartels.de>, "cidr-report@potaroo.net" <cidr-report@potaroo.net>, "nanog@merit.edu" <nanog@merit.edu>, "routing-wg@ripe.net" <routing-wg@ripe.net> In-Reply-To: <20060911173023.GC88409@Space.Net> Errors-To: owner-nanog@merit.edu > On Mon, Sep 11, 2006 at 10:28:49AM -0700, Vince Fuller wrote: > > One might also imagine that more globally-friendly way to implement this > > would have been to build a network (VPN would be adequate) between the > > ground stations and assign each plane a prefix out of a block whose subnets > > are only dynamically advertsed within that network/VPN. Doing that would > > prevent the rest of the global Internet from having to track 1000+ routing > > changes per prefix per day as satellite handoffs are performed. > > As has been said before, and is also readable in that blog entry: the > system is supposed to create *one* advertisement change when the plane > is crossing from the "Europe" to the "US" ground station (etc.), not > 1000+. The comment still applies. Imagine that this system were implemented globally on all international/intercontinental air routes. It would still be nice to avoid having each of those airplanes cause a globally-visible routing update whenever it crosses some geographical boundary. --Vince
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