Re: Allocations for "always-on" ISPs
- Date: Thu, 7 Dec 2000 13:19:41 +0200 (EET)
On Thu, 7 Dec 2000, Kurt Erik Lindqvist wrote:
>
>That ofcourse depends on what services you want to offer your
>customers.....
>
>I don't see why you want to break services in order to solve assignment
>policies? This said, I do realise that there is a assignment policy aspect
>to this as well.
>
>- kurtis -
I agree.
>> NAT is your friend - very few home users need real IP addresses.
More like an uninvited guest, I would say. NAT severely restricts the
range of services you can offer and will give you problems in the
future.
-- Janne
>>
>>
>> > Hi!
>> > With the advent of technologies like ADSL and Ethernet to the home, several new ISP in Europe are starting to offer "always on" Internet access.
>> > The allocation strategies vary, if they give a subnet to each household this is usually a /29, if they group more than one household in each subnet the average IPv4 address consumption by each household can be a little less.
>> > In any case they need a lot of addresses, i.e. a few millions.
>> > Can someone help me to see if what I think it would happen is correct?
>> > 1) they request address space to RIPE, with a nicely written documentation that clearly shows that they need millions of addresses
>> > 2) nonetheless they won't receive more than a /20 to begin with
>> > 3) when they have used more than 80% of this /20, and can prove it, another one will be assigned, most likely not contiguous
>> > 4) and so on and so forth, at a very fast pace, until they will have a very fragmented address space
>> > Is this correct ?
>> > Is it safe to assume that if they start using public address, where really needed, they will always receive new allocations if they can prove they need it until IPv4 addresses last ?
>> > Is there any way to reduce the address space fragmentation due to new non contiguous allocations ?
>> >
>> > Thanks
>> >
>> > bruno
>> >
>> >
>> >
>>
>>
>>
>
>Kurt Erik Lindqvist Kurtis.Lindqvist@localhost
>KPNQwest Sweden @ The speed of light http://www.kpnqwest.se
>PO Box 23163
>S-10435 Stockholm
>
>
------------- Elcom ------------- Network Operations Center ---------
Jan-Erik Eriksson mailto: jee@localhost
Elcom phone: +358 18 23500
PB 233, Torggatan 10 fax: +358 18 14643
FIN-22100 Mariehamn URL: http://www.alcom.aland.fi
