Re: [Qemu-devel] PATCH: enabling TCP keepalives - v3

[Richard W.M. Jones]

On Thu, Apr 30, 2009 at 01:40:42PM -0600, David Ahern wrote:
> Did not see a response to the last version.
> 
> This patch enables TCP keepalives on VNC connections and TCP-based char
> devices.
> 
> Default parameters have keep alive probes sent after 60-seconds of idle
> time. Probes are sent every 12 seconds with the connection resetting
> after 5 failed probes (ie., connection is closed if no response received
> in 60-seconds).

IMHO this should be optional, and firmly default to _OFF_.  Brief
network outages shouldn't result in connections failing all over the
place.  In addition, does this negatively impact migration?

Rich.

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