Re: Unnecessary Frame Fragmentation using beepcore-c?

"William J. Mills" <[email protected]> Fri, 12 Sep 2003 12:55:08 -0700
Newsgroups gmane.network.beep.beepcore.c.general
Message-ID <[email protected]>
bpc_set_channel_window() can be called within the context of a profile on 
it's channel object.

That's in bpc_wrapper.c in thew rapper directory.

-bill


On Fri, Sep 12, 2003 at 12:46:57PM -0700, William J. Mills wrote:
> Looks like blu_local_window_set is the function that does what we need, but that's in CBEEP.h under the base directory.  Need to find where it's exposed at a higher level...
> 
> -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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