[ppml] 2005-1:Multi-national Business Enablement
jeroen at unfix.org
Fri Apr 29 10:58:21 EDT 2005
On Thu, 2005-04-28 at 06:56 -0500, Stephen Sprunk wrote:
> > > Most "residential" ISPs I'm aware of use a single subnet for N
> > Hm? I guess you are referring to cable modem stuff?
> It's common for cable, DSL, wireless, and other technologies. For instance,
> my landlord provides a straight ethernet connection into my residence (which
> is connected to a T1); with DHCP, I consume only one IP per PC.
The "end-site" in this case is your building, as such the building gets
the /48 and your landlord divides this /48 into chunks, a /64 per
ethernet. In the future your landlord could then install multiple
ethernet lines or other L2's, maybe wireless and use any of the other
65k /64's on those L2's.
> For them to
> offer me an IPv6 /48 or even /64, they'd need to change their IPv4
> addressing to a /30 or shorter for each customer, wasting four addresses for
> a customer with one PC.
You don't have multiple segments in your house, and if you do then your
landlord could give you either a separate /48 or he would give you a
couple of /64's to toy around with.
"End-site" should be seen where 'administrative control' is separated.
You quite apparently are just a user of a network (in this case at
least ;) and not the admin.
Which goes in line with the fact that if you would have a number of
networks in your own house, then your landlord would become an "ISP" and
he would give you a /48 as the admin changes for that network.
Though for the coming n years a /48 for the building you live in should
be fine (or does your place look like one of those ubersized villa's? :)
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