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To: K. M. Strickler who wrote (17035)2/3/1998 11:46:00 PM
From: Daniel Schuh  Read Replies (3) | Respond to of 24154
 
Ken, you're getting a little wild here. Various xDSL stuff that runs on telco twisted pairs can get up close to 10mbit/second, but it falls off with distance from the CO. But, the bandwidth is dedicated. Cable modems are different, they can get similar speeds but there's always some degree of channel sharing. If the new fiber-optic backbone is in place, the sharing level is pretty low. To my knowledge, all the cable systems are asymetrical also, with much reduce bandwidth outbound relative to inbound.

Cable guys have been upgrading to fiber for a few years; xDSL is just beginning to role out. In both cases, we're stuck with monopolies trying to squeeze the money for the upgrades out of the existing rate base. I'm not picky about the monopolies I dislike.

As for phasing out EIDE for SCSI, I don't think so. EIDE is not so great, but what's in the pipe is firewire for high bandwith and USB for low bandwidth. Of course, USB has been around for a couple years, but it's not supported very well in software. Now whose fault could that be? Anyway, it's supposed to work good in the OS formerly known as Windows97, so it won't be as bad as the 10-year wait to run 32-bit programs on a 32-bit processor, from the 386 introduction to the Win95 launch.

Cheers, Dan



To: K. M. Strickler who wrote (17035)2/4/1998 10:14:00 AM
From: Bill Jackson  Read Replies (1) | Respond to of 24154
 
The so called "fire wire" high speed protocol of up to 400 megabits/second is coming fast and there is another in the wings at 1000 megabits/second. This will save lots of cabling and allow many devices to daisy chaine on the same wire. The USB is part of it.

I suspect they will not use SCSI for this, as your mice might get a bit big. In the long run many parallel wires are faster than a single wire. So they could make a fire wire EIDE with 16 parallel bits all 400 megabits/second=800 megabytes/second, fast enough for most. Even the 400 MBS is 50 megabytes/second, a real runner.

SCSI will move upstream with each of its wires going to the 400 MBS first(all 32 of them) at some future time? Ultra SCSI (FAW), fast and wide? My name for a new tech??, will it arrive??

Bill