Re: [PATCH 1/2] [MEDIUM] Collect & show information about last health check

From: Willy Tarreau <w#1wt.eu>
Date: Tue, 8 Sep 2009 12:14:51 +0200


On Tue, Sep 08, 2009 at 11:44:56AM +0200, Krzysztof Oledzki wrote:
> Yep, it is indeed very confusing. However, for me L4 provides end-to-end
> connections and reliability and there is no reliability in tcp without
> sequence numbers. L5 (session) is defined as "interhost communication" and
> covers protocols like SSH for example, which is definitely above TCP.
> Maybe the name - "session" is misleading? Anyway, I have no intention in
> startining an academic discussion, so...

agreed :-)

(...)
> >But saying that L7 works
> >means that we could talk. L4 works means we can connect. L3 works means
> >we can reach.
>
> OK, but how about pure SSL/TLS? I don't think we should call it L7.
> However, we may add an additional L6{OK,TOUT,INV} states and teach the
> code to use it when necessary, what do you think?

OK I'm fine with that. But this means you will make a special case for SSL checks then ?

Best regards,
Willy Received on 2009/09/08 12:14

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