Re: [WG-BB] Draft documents from Tokyo meeting

[Yoshihiro Obata <obata@eaccess.net>]

At 00:37 01/06/27 +0900, Takashi Arano wrote:

> >>Furthermore, in such a sense, the first allocation rule
> >>can be applied also when allocating for new PoP.
> >>Do you think if this is true?
> >
> >PoP is a part of a network and normally it is not a service.
>
>Of course. What I try to say in addition to your comments
>is that when an existing ADSL ISP opens a new PoP,
>the ISP can assign /24 per CMTS for this PoP.

   The size of wholesale and a PoP is much different.  I am not sure 
whether we need to apply this rule to justify expansion of service areas. 
If we do so, we need some measurement and limit for the size.


> >  When an ISP uses a wholesale ADSL provider, they need to allocate a 
> large block of IP addresses to a completely independent network, which 
> normally has a different allocation policy due to its nature of permanent 
> connectivity.
>
>I do not understand what is difference in cases of using a wholesale
>ADSL provider.

   In our case or NTT Flets service, a large ISP is expanding several 
thousand subscribers per month, which might increase a few more times by 
the end of this year.  Nobody can estimate clearly such growth and what 
is worse is that it normally comes out from one PoP in Japan since they 
are combined with a backbone, which makes it more difficult to justify 
compared to dial up ISPs where you can distribute the network design 
among several PoPs.

Yoshi 

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