🚀 go-pugleaf

tcscs!zeta@src.honeywell.com (Gregory Youngblood) writes:

> carlos@carlos writes:
> 
> > In <LaL7wB1w165w@floor.uucp.risc.net> hp@floor.uucp.risc.net (High Priest) 
> > 
> > >Well, I would be happy with 1000 cps. I'm currently getting 400-500 cps 
> > >on a v.32bis connect from my feed. (UNIX machine)
> > >The admin at my feed says there's nothing he can do, the 'g' protocol is 
> > >simply too inefficient. Is there anything that I can do?
> > >450 cps on a 14,400 connect is pathetic.
> > 
> > At times I peak at 500-600cps, but thats it..
> > 
> > If I would have known this little "fact", I may not have even started
> > this.. Someone posted here recently a patch to change from "g" to
> > "G" protocol. Maybe your site supports "G" and you might gain a
> > speed increase..
> 
> These speeds from v.32 or v.32bis connections usually indicate some type of
> data compression is being used, i.e. MNP-5 and/or v.42bis, and that you get
> large volumes of news.  Large enough to matter at least. If your not using 
> v.42bis or MNP-5 then this won't help and I dont know what else might work 
> for you.  
> 
> Disable MNP5 and V.42bis before calling a UUCICO session (this can be done
> easily in the DIALERS section).  When I did that I consistantly get throughpu
> of 850 to 900 cps receive and 550 to 650 cps when sending.  This is with 'g'
> protocol and the standard packet sizes and windows sizes.
> 
> Greg
> 
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Try again Greg.  Compression (v42.bis or MNP-5) can reduce the throughput
by about 100-150 CPS.  I happen to know that what they are seeing is caused
by having the window size set to "3", and moving to 7 will move the speeds
up to a more appropriate range.  I have a 9600 connection which often gets
900 CPS (v.32 and v.42bis, data is compressed) using the 7 windows, and 
with 14.4, I get 1200 (v.42bis turned on) to 1340(v.42bis off).  
Why do I know this?  I had this problem for the longest time.
It is likely that the USENET feed's uucico does not allow for more than
3 windows, and this is the problem.  Have them look at getting a better
uucp.  (Good luck...:-)

Richard Hasting

Richard Hasting, Computer Literacy 2000 Project Office
richard@kunikpok.icus.com
"When all is said and done, more is said than done."