Hi,
On Fri, Mar 05, 2010 at 09:42:17AM -0500, Michael H. Warfield wrote:
> Oh WOW... I hadn't even thought of that. That's got to be the A #1
> reason right there for avoiding the use of tcp like the plague for
> things like these.
>
> That means that OpenVPN is (to use the older terminology - I'm old
> school) not using the PUSH OOB method to push packets out and to get
> them received immediately at the other end. Looking that the
I'm not sure what OpenVPN *is* doing internally. I was just assuming that
the TCP_NODELAY (nagle) would affect performance for "half-full" packets
(as observed).
Since TCP_NODELAY is not having an effect here, it might be worth a look
into the sources to see that it's done correctly with TCP_PUSH.
*I* am not going to do that any time soon, though - I'm not using
VPN-over-TCP, and digging through the socket code of OpenVPN is fairly
far down on my "what to do with OpenVPN in my spare time" list.
gert
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