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Re: Determining whether a TCP connection is up
From: |
Lars Magne Ingebrigtsen |
Subject: |
Re: Determining whether a TCP connection is up |
Date: |
Mon, 05 Aug 2013 04:12:50 +0200 |
User-agent: |
Gnus/5.130008 (Ma Gnus v0.8) Emacs/24.3.50 (gnu/linux) |
Julien Danjou <address@hidden> writes:
> I think most IMAP clients uses a pool of several connections in the
> background to deliver actions based on some sort of queue, like delete
> something or fetch this. Having this would solve partially the problem
> since if a connection goes AWOL, you just have to wait for the kernel to
> kill the TCP connection it at some point (which might takes time), but
> you can continue to create new (working) connections to fulfil the user
> requests in the meantime, and then requeue the action that timed-out.
Whether you have a pool of connections or kill/reconnect, the problem
remains the same: Figuring out when to switch connections/reconnect.
And in the case that the IP address changed, all your connections in the
pool will hang, so it doesn't really help...
--
(domestic pets only, the antidote for overdose, milk.)
No Gnus T-Shirt for sale: http://ingebrigtsen.no/no.php
and http://lars.ingebrigtsen.no/2013/08/twenty-years-of-september.html
- Determining whether a TCP connection is up, Lars Magne Ingebrigtsen, 2013/08/03
- Re: Determining whether a TCP connection is up, Paul Eggert, 2013/08/03
- Re: Determining whether a TCP connection is up, Julien Danjou, 2013/08/03
- Re: Determining whether a TCP connection is up, Lars Magne Ingebrigtsen, 2013/08/05
- Re: Determining whether a TCP connection is up, Julien Danjou, 2013/08/06
- Re: Determining whether a TCP connection is up, joakim, 2013/08/06
- Re: Determining whether a TCP connection is up, Lars Magne Ingebrigtsen, 2013/08/06