Re: Unnecessary Frame Fragmentation using beepcore-c?

Welll.......  setting the window size can certainly be done as a define.

Lemme see if I can remember if there is a tuning function.

-bill


On Thu, Sep 11, 2003 at 10:28:32AM -0400, David C Niemi wrote:
> 
> Darren's suggestion about sending too fast and your suggestion about the
> window size both sound promising.  The very first few frames were not
> fragmented, but before long it began to fragment as I described, and I was
> indeed feeding the frames in very rapidly.
> 
> So how does one adjust the window size, and what is a sensible amount to 
> set it to?  This is currently running over loopback, where MTU is 16K.
> 
> Meanwhile I've modified my application to reassemble the tiny fragments as
> needed, but I expect that avoiding the fragmentation in the first place
> will substantially improve performance.
> 
> DCN
> 
> On Wed, 10 Sep 2003, William J. Mills wrote:
> > This has to do with the frame size and window size.  The data payload
> > will be reduced by the amount of the frame headers, which is the 
> > missing info to make the payload sizes make more sense I think.
> > 
> > My suspicion is that the frame and window sizes are perhaps
> > similar....  try cranking up the window size and see what that does.
> > 
> > -bill
> 
> -------------------------------------------------------
> -- David C. Niemi           Adeptech Systems, Inc.   --
> -- Reston, Virginia, USA    http://www.adeptech.com/ --
> -------------------------------------------------------
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> 
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