IAMP servers in FreeBSD for ISP
Darren Pilgrim
darren.pilgrim at bitfreak.org
Fri Jul 7 20:45:53 UTC 2006
Francisco Reyes wrote:
> Darren Pilgrim writes:
>
>> FWIW, Courier-IMAP 4 has a proxy feature wherein a single front-end
>> IMAP server hands does the inital authentication, then determines the
>> server handling the account and invisibly hands off the connection.
>
> We tried that. The proxy did not seem to "hand off" the connection.
> Instead for each connection there was one process running in the proxy
> and another on the actual machine doing the actual serving.
>
> So if we had
> Machine A as proxy.
>
> Machine B doing work
>
> Machine C doing work.
>
> We saw that if 500 connections came to B and 500 to C... there would be
> 1000 connections on A.
>
> Is that how it's supposed to work or perhaps we didn't configure it
> properly?
That's exactly how it's supposed to work. After the initial
authentication, A isn't doing any real work, just passing packets
between the client and the backend server.
--
Darren Pilgrim
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