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Re: [BEHAVE] Fwd: New Version Notification for draft-nishizuka-cgn-deployment-considerations-00.txt

Simon Perreault <simon.perreault@viagenie.ca> Mon, 13 May 2013 11:46 UTC

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Date: Mon, 13 May 2013 13:46:35 +0200
From: Simon Perreault <simon.perreault@viagenie.ca>
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Subject: Re: [BEHAVE] Fwd: New Version Notification for draft-nishizuka-cgn-deployment-considerations-00.txt
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Le 2013-05-09 14:19, Rajiv Asati (rajiva) a écrit :
>> An ISP is running out of addresses. It considers two options: static CGN
>> vs dynamic CGN. Static allows, let's say, 32 users per public IPv4
>> address. Given the 1:10 figure from the draft, it follows that dynamic
>> allows 320 users per public IPv4 address.
>
> 1:32 (dynamic assignment) on top of 1:10 (static assignment)? Did you
> intend to nest?
>
> Could you please clarify?

The draft says that the achievable address sharing ratio for dynamic is 
10x that of static. So if you have 1:32 for static (a made up figure), 
it follows you would have 1:320 for dynamic.

Simon

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