[Planetlab-devel] IPv6 support for MyPLC

Scott Karlin scott at CS.Princeton.EDU
Wed Nov 8 09:15:46 EST 2006


On Wed, Nov 08, 2006 at 08:53:52AM -0500, Marc E. Fiuczynski wrote:
> Suppose one used an IEEE company id, is there any specific reason why one
> couldn't just use addresses out of the VMware and Xen company id ranges?

Because if someone didn't know we were doing this, they may point a
finger at VMWare or Xen leading to confusion.  On a given box, I do
think that they guarantee uniqueness.  If we are running PlanetLab in
a VMWare machine or Xen domain (not cooperatively), there is a possibility
of collision.  Finally, I think that it's not really fair to use an
ID for a company that still has product out there.  I'm not advocating
it, but a different solution is to look in the oui.txt file from IEEE
and find a defunct company that only made FDDI cards (something non-Ethernet)
and use their number.  I actually think VMWare did something like this
in its very early days.  In any event, using someone else's ID is against
IEEE rules.

Scott



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