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Re: [dhcwg] WGLC for draft-ietf-dhc-dhcpv4-over-dhcpv6-03 - Respond by Dec 9, 2013

Cong Liu <gnocuil@gmail.com> Thu, 28 November 2013 07:32 UTC

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From: Cong Liu <gnocuil@gmail.com>
Date: Thu, 28 Nov 2013 15:31:43 +0800
Message-ID: <CAF+sHxHSrZ5zEXrn0RpZqCUcfJ3xiisgFYKLCo5adBcMP3rGzA@mail.gmail.com>
To: "Bernie Volz (volz)" <volz@cisco.com>
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Cc: "dhcwg@ietf.org" <dhcwg@ietf.org>
Subject: Re: [dhcwg] WGLC for draft-ietf-dhc-dhcpv4-over-dhcpv6-03 - Respond by Dec 9, 2013
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Hi Bernie,

2013/11/28 Bernie Volz (volz) <volz@cisco.com>

> Here's a question we can also ponder ...
>
> Should we perhaps allow the server to send back the Server-Unicast option
> to tell the 4o6 Client where it can send unicast (DHCPv4) packets to? This
> would allow DHCPv4 unicast packets to be sent directly to the server (of
> course inside a BOOTREQUESTV6 message).
>

Assume IPv6 lease time is 100s, and IPv4 lease time is 200s. Then the 4o6
Client receives a Server-Unicast option (which may contains 10 unicast
addresses) every 100s, and a Server-Unicast option (which contains 1
unicast address) every 200s. I think it adds more complexity for client to
deal with the same option from different servers (DHCPv6 / DHCP4o6).

Best Regards,
Cong

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