[Standards-JIG] Re: What happened to the ACK proposal?

Justin Karneges justin-keyword-jabber.093179 at affinix.com
Thu Aug 18 05:20:10 UTC 2005


On Wednesday 17 August 2005 09:07 pm, David Waite wrote:
> Just for people's information, my understanding is that the massive IM
> services get around these tcp timeout issues by issuing TCP Keepalives
> about once a minute, while simultaneously reducing the tcp retries
> below spec and adding application support to handle disconnects
> gracefully

A more portable solution would be to use an application-level ping/pong, like 
what is done in IRC, which gets you the same result.  Fiddling with TCP stack 
settings might be a more optimized way to do things, but I think that is 
beyond most developers' reach.

-Justin



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