Re: [v6ops] Please review the No IPv4 draft

"Dale W. Carder" <dwcarder@wisc.edu> Wed, 16 April 2014 15:24 UTC

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Date: Wed, 16 Apr 2014 10:24:40 -0500
From: "Dale W. Carder" <dwcarder@wisc.edu>
To: Lorenzo Colitti <lorenzo@google.com>
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Subject: Re: [v6ops] Please review the No IPv4 draft
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Thus spake Lorenzo Colitti (lorenzo@google.com) on Wed, Apr 16, 2014 at 05:22:55PM +0900:
> 
>    1. As regards impact to the client - "don't waste your resources sending
>    DHCPv4 requests, there's never going to be a DHCPv4 server here", then:
>    what's the advantage to the client above doing exponential backoff with one
>    packet every 2 minutes / half hour / 2 hours? True, clients don't do
>    exponential backoff today, but they will have to be modified anyway for
>    this option to work.

I would worry that mobile clients may not be online continously long enough
for the backoff timer to get very high, unless there would be some way
to tie the backoff timer into rfc4436 or something if you reattach to the
same L2 domain.

Dale