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Re: [1/2OT] ssh & wireless related



On Thursday 16,August,2012 11:31 PM, Markus Schönhaber wrote:
> 16.08.2012 17:00, lina:
> 
>> Strangely once I restarted the network-manager, the connection restore
>> as normal, I mean the ssh connection is still there.
>> Is it strange? I thought it's broken, the connection.
> 
> There's nothing strange with that.
> A TCP connection is essentially identified by the quadruple (src port,
> src IP, dest port, dest IP). As long as none of the elements of this
> quadruple change, the connection may stay "intact" (even if some machine
> on the route from src to dest is rebooted, for example).
Thank you for your explaination here.

I start to understand now.
> Nevertheless, if data is to be transmitted while the other end of the
> connection is not reachable for some reason, either end may tear down
> the connection.
> 
Best regards,


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