Xref: utzoo comp.dcom.modems:2525 comp.mail.uucp:1967
Path: utzoo!attcan!uunet!rlgvax!dennis
From: dennis@rlgvax.UUCP (Dennis.Bednar)
Newsgroups: comp.dcom.modems,comp.mail.uucp
Subject: Re: UUCP g stats
Message-ID: <996@rlgvax.UUCP>
Date: 26 Sep 88 16:31:59 GMT
References: <183@arnold.UUCP> <1988Sep20.184054.2403@utzoo.uucp> <184@arnold.UUCP> <16257@onfcanim.UUCP>
Organization: Computer Consoles Inc, Reston VA
Lines: 25

In article <16257@onfcanim.UUCP>, dave@onfcanim.UUCP (Dave Martindale) writes:
> >90% of 1200 baud is 108 cps.  Back when most of our news traffic
> >was at 1200, we saw uucp running at 109 +- 2 or so cps for hours on end,
> >quite consistently, for most sites.
> 
> Uucico, unless you've modified it, always uses 64-byte packets.
> The g-protocol header is 6 bytes, so if there are always characters
> being transmitted with no "dead" periods, you would expect to see
> 64/70 = 0.914 of the modem bandwidth being useful data.
> 
> 1200 bps = 120 cps; the "data" portion of this is 109.7 cps.

2 lines from our /usr/spool/uucp/SYSLOG file:

sundc!root S (9/26-8:36:27) (C,11858,9) (0:26:36)  <- 18617 / 171 secs
 [1595:0:0:7:1416:171:273:57] [tty0a,0,0,0,0]

Is the 18617/117 = 108.87 cps just the 64 byte data portion,
or does it include the 6-byte header on every data packet?

-- 
FullName:	Dennis Bednar
UUCP:		{uunet|sundc}!rlgvax!dennis
USMail:		CCI; 11490 Commerce Park Dr.; Reston VA 22091
Telephone:	+1 703 648 3300