[6bone] non-global address space for IXs

[Robert Kiessling]

John Fraizer <tvo@EnterZone.Net> writes:

> Sorry Gert.  You don't router IX space and you wind up with the same
> issues as are presented by the boneheads who use RFC1918 address space on
> VISABLE links in V4 space.

No. The addresses are unique, while RFC1918 addresses are not. They
have PTRs while RFC1918 has not.

>  *EVERY* link in the chain has to be able to
> participate for PMTU-D to properly function.

You only need to send ICMP mit *source* address in the IXP mesh and
this is easily possible.

Pity to see that the FUD that IXP addresses have to be routed is still
around.

Robert