North American Network Operators Group

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Re: 240/4

  • From: Daniel Karrenberg
  • Date: Thu Oct 18 03:26:50 2007

On 18.10 10:48, Adrian Chadd wrote:
> 
> > 	Asking the whole internet to support 240/4 is going to tie up
> > valuable resources that would be far better off working on IPv6.  Keep
> > in mind that it's not just software patches.  Software vendors don't do
> > stuff for free.  I doubt ISPs are going to pay huge amounts of money to
> > support a peer crazy enough to try this.  And until tested, there is no
> > guarantee that hardware based routing platforms (your PFCs, etc) can
> > route Class E addresses as if they're unicast.
> 
> So how about pulling a reachability test and announcing a few /19's from
> 240/4, stick a website on it and get people to report back?

If there was serious community interest in this, I am sure the RIPE NCC
could be persuaded to test this as part of the well-oiled de-bogonising 
machinery. this immediately provides automated measurements as well.

It may take a little longer than sual to set up as we may want to ask
all our de-bogonising peers whether they are OK with this just to be sure.

Daniel

PS: Personally I am not convinced that this space will ever become useful for 
global routing. But we won't know for sure until we have tried it.