Subject: Re: Implementing DNS client for support IPv6/IPv4
From: Suresh Satapati <[email-masked]>
To: Niels Möller <[email-masked]>
Cc: "sasson, shuki" <[email-masked]>, [email-masked]
Date: Mon, 17 Nov 2003 17:36:50 -0800 (PST)
List-Id: IP Version 6 Working Group (ipv6) <ipv6.ietf.org>

> for A records. If you only want IPv6 addresses, you may want to send
> requests for both A and AAAA addresses anyway, and convert any
> received A records into "IPv4-mapped IPv6"-addresses to be returned to
> the application.

I would say, just send AAAA request if you only want IPv6 address.
Do not convert A records into "IPv4-mapped IPv6"-addresses, as mentioned
above.

There are problems w/ using mapped addresses. Refer to:
http://community.roxen.com/developers/idocs/drafts/draft-itojun-v6ops-v4mapped-harmful-02.html

--
Suresh

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