CIDR FAQ

> Peter,
> 
> > 
> > BTW - I have not studied the RFC's - so what will IPv6 do for us in
> > the contect of routeing aggregation and latger boxes etc ?
> > 
> 
> Couple of observations:
> 
>    1.  The ability to aggregate routing information depends
>        on how addresses are assigned, but does not depend on whether
>        addresses are 32 bits wide or 128 bits wide. 
> 
>    2. IPv6 address allocation architecture (see 
>       draft-ietf-ipngwg-unicst-addr-allo-01.txt) is the same as IPv4.
>       (just so that folks who read this note would have no doubts, 
>       the IPv6 Address Allocation Architecture document was written 
>       by Tony Li and myself  - the same people who wrote the CIDR Address 
>       Allocation Architecture document).
> 
> Conclusion:
> 
>    In the area of routing aggregation IPv6 will do for us *exactly the same* 
>    as what IPv4 does. 
> 
With one notable exception.... No allocation legacies.  That is there aren't
any old badly-distributed ipv6 addresses floating around.  This means that
ipv6 aggregation should be substantially more effective than ipv4 CIDR has
been.

> Yakov.
> 
Owen