RE: How squid distinguishes between IPv4 and IPv6 requests

Guruprasad,

if you are using the IPv6 patch that I was originally working on then it
works as follows:

o IPv4 or IPv6 client connects, issues request

o Squid iDNS or DNS helper app invoked to resolve hostname

o selected mechanism issues both IPv6 and IPv4 resolve requests to DNS
servers (AAAA and A queries, relying on AAAA from A6 chain resolution to be
done on the target DNS server)

o Squid favours AAAA results first when making connections. Tries responses
consecutively in the event of failure, so will fail back to IPv4 answers.

o data retrieved, returned to client, as per normal (and potentially via
IPv4 socket on client side).

Roger.

> -----Original Message-----
> From: Guruprasad B [mailto:guru_b@yahoo.com]
> Sent: Thursday, 22 May 2003 1:40 AM
> To: squid-dev@squid-cache.org
> Subject: Fwd: How squid distinguishes between IPv4 and IPv6 requests
>
>
>
> Note: forwarded message attached.
>
>
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Received on Thu May 22 2003 - 06:51:38 MDT