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Re: [routing-wg]BGP Update Report

  • From: Vince Fuller
  • Date: Mon Sep 11 13:34:40 2006
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On Mon, Sep 11, 2006 at 12:32:57PM +0200, Oliver Bartels wrote:
> Hi Gert,
> On Fri, 8 Sep 2006 18:06:00 +0200, Gert Doering wrote:
> >Ummm, well, this is a damn fast plane if it will reach another continent
> >1843 times per day (or even "per week")... - which should be the only
> >time the BGP announcement moves.
> >
> >Sounds more like "the BGP-follows-plane system has some stability problems".
> Nack.
> Probably they are using low or medium earth orbit satellites, which
> _are_ damn fast in orbit. Otherwise the round trip time would be
> unacceptably high.
> As the whole thing is 3D, some of them might have contact to
> ground stations on this or the other side of the great lake,
> depending on their 3D position, even thru the plane travels
> on a well defined track (probably a 3D circle, too) in just one
> direction only.
> Ceterum censeo: Nevertheless this moving-clients application shows
> some demand for a true-location-independend IP-addresses
> announcement feature (provider independend "roaming") in IPv6,
> as in v4 (even thru this isn't the "standard" way, but Connexion is
> anything but standard). Shim etc. is not sufficient ...

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.