[ovs-dev] [PATCH] BFD: Decreasing minimal transmit and receive interval

Ben Pfaff blp at nicira.com
Tue Oct 7 19:54:24 UTC 2014


On Tue, Oct 07, 2014 at 03:04:13PM +0000, Niels van Adrichem wrote:
> I found the BFD transmit interval was lowerbounded by the default value without warning, although documentation does not consider a lowerbound.
> Testing has been performed with transmit and receive intervals as low as 1 ms, and although CPU overhead was effected (especially with multiple BFD sessions such as 6 and higher), it worked well.
> 
> Signed-off-by: Niels van Adrichem <n.l.m.vanadrichem at tudelft.nl>
> ---
>  I consider the operational results (CPU overhead) from very short transmit intervals the network administrator's responsibility, as the default values offer a correctly functioning cpu-effective but slower detection. I hope you agree.

Applied, thanks!



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