On Wed, Sep 01, 2004 at 03:12:53PM +0100, Colm MacCarthaigh wrote:
> That refers to dial-up, which by is not always-on. The problem there
> being that with static allocations, an ISP would require an IP per
> customer. With dynamic allocations, an ISP would require an IP per
> [max-ever-dial-in-at-once + saftey-mumble ], so clearly there is a
> saving in real terms.
>> With ADSL, which is designed to be always-on, this saving does not
> exist. Or at least exists only to the extent that a proportion of
> customers may not actually leave their modems always on. Is this
> typically a high proportion?
Not neccessarily. We typically see that at any given point about
20% of our customers are not connected - this is for varying reasons,
and we're not a home ISP. A home ISP will probably see even
larger amounts not connected - especially in environments where
it's only one Windows PC with a USB modem plugged in.
> Not that residential customers should get static assignments mind
> you, I can't imagine the horror of them dealing with whois abuse
> reports ;)
Ripe procedures do not require you to log individual entries in the
RIPE DB for each /32 that is assigned.
Typically an ISP will apply for a block of IPs based on what they
expect to sell, and indicate to RIPE if that covers static or dynamic
Maintained by the ILUG website team. The aim of Linux.ie is to
support and help commercial and private users of Linux in Ireland. You can
display ILUG news in your own webpages, read backend
information to find out how. Networking services kindly provided by HEAnet, server kindly donated by
Dell. Linux is a trademark of Linus Torvalds,
used with permission. No penguins were harmed in the production or maintenance
of this highly praised website. Looking for the
Indian Linux Users' Group? Try here. If you've read all this and aren't a lawyer: you should be!