Re: CIDR FAQ

[bmanning () ISI EDU]

>   Will things get so tough that I will have to ask my customers
>   to renumber because I need to switch from a clutter of small spaces
>   (as built in slow start and and with allocations not larger then /16)
>   into a larger single prefix space?  - even when I started out with
>   provider aggregatable space, and tell customers that address space
>   cannot be moved to another provider and I'm warning them that using their
>   old numbers we cannot guarantee "full" connectivety.

        Yes
> - if large scale renumbering needs to happen, the problem seems to be analog
>   to memory allocation systems (on the fly); I faintly remember that
>   this could mean another factor of ineffeciency for the use of space.
>   How much will this reduce the expected life time of the IPv4 space?
>   (well, of course, under exponential growth it will be not very much)

        Already proposed this model for managment of the IPv4 space.
> BTW we would need to recognize the need for large scale renumbering a couple
> of years ahead - else we will not have the tools to do it, not to think
> about the need to educate network and systems administrators...

        Yup.  See the latest draft from the IAB and
        ftp.isi.edu:/pub/bill/renumbering

 
--bill