who gets a /32 [Re: IPV6 renumbering painless?]

Sun Nov 21 18:40:52 UTC 2004

On 20-nov-04, at 18:34, Stephen Sprunk wrote:

>>> Don't have "real connectivity"?

>> That's right. If you need internet access, you need it to be faster 
>> than 16 kbps.

> Who said the only purpose of IP was to connect to the Internet?

Not me. But if you don't connect to the internet you don't contribute 
to the global routing table so there is no issue.  :-)

The point is, that these days applications such as mail and web are 
sufficiently heavy that you can't even run them cost effectively over 
dial up (wasting your employee's time costs more than the fatter line) 
let alone less.

>> So a single large address block is of little use to such an 
>> organization, unless they get to announce more specifics all over the 
>> place.

> In my experience, they will announce the aggregate from all hub sites 
> plus more-specifics for that hub and the sites directly connected to 
> it.  Traffic that comes into the wrong hub due to prefix length 
> filters (or Internet outages) is back-hauled inside the corporate 
> backbone.

It would be interested to see some good statistics on this stuff. 
However many enterprises any of us has seen from the inside, it's still 
unlikly to be a statistically relevant sample.