Re: [WG-BB] Study Report: CATV assignment guidline

[Yoshihiro Obata <obata@eaccess.net>]

At 13:34 02/02/04 +0900, MAEMURA Akinori wrote:
Dear Sirs,

   I do not think you have fully accommodated the trend that both CATV 
operators and ADSL operators are adopting PPP in a large scale. PPP is 
independent of layer 2 topology so that it does not match physical topology 
of the DSLAMs nor cables.
   We are seeing around 50,000/month user growth among major ISPs in Japan, 
who split their IP addresses among multiple Broadband Access Servers. 
However, it is becoming more and more difficult to give rationals to 
network topology changes since the NIC people never understand how tough it 
is to move thousands of IP addresses from one BRAS to another very 
frequently just to manage the growth.
   I do not fully understand how these facts are reported to the NICs since 
many ISPs are still playing around with dial up pool addresses, which is 
decreasing rapidly, and moving them secretly to the broadband network. I 
think it is time to tell the truth and find some solutions before the 
technicians dealing the protocol between NICs and service operators get 
exhausted of exchanging excuses.

Sincerely,

Yoshihiro Obata


>JPNIC IPwg had a meeting with concerned people and studied
>this issue.  The Following is the study report.
>
>As I asked Arano-san with a hat of chair of Policy SIG, I'd
>like to present something based on this discussion, after
>discussing in this wg-bb.

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