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- Newsgroups: comp.dcom.modems
- Path: sparky!uunet!pgroup!lfm
- From: lfm@pgroup.com (Larry Meadows)
- Subject: Re: V32bis with V42bis Screen Updates
- Message-ID: <Bs70H5.EuL@pgroup.com>
- Date: Thu, 30 Jul 1992 08:19:53 GMT
- References: <Bs6DCo.F4n@animal.gcs.co.nz> <15852nINN2fd@matt.ksu.ksu.edu>
- Organization: The Portland Group, Portland, OR
- Keywords: V32bis V42bis
- Lines: 16
-
- Dumb calculation regarding screen update:
-
- Let's see... 80x24 = 1920. At 9600 bps, with zero overhead, you should
- get 9600/8 = 1200 cps. So a screen will take 1920/1200 = 1.60 seconds.
- If you really get 4-1 compression, a screen will take 0.40 seconds. So
- I guess I don't really consider that blindingly fast -- takes you 4 seconds
- to page through a 240 line article, absolute best case.
-
- My Worldblazer to T+ connection, which tells me it is talking at 18k bps,
- appears to take about 1.2 seconds to refresh this screen. That sort of
- seems in the ballpark, considering all the variables.
-
- Seems like interactive response is a difficult thing to judge.
- --
- Larry Meadows The Portland Group
- lfm@pgroup.com
-