No one talked about the v.90 that complitly diffrent issue.
a lot related to old phone lines. btw I bet this artical isn't that new.
Ely Levy
System group
Hebrew University
Jerusalem Israel
On Sat, 24 Mar 2001, Uri Bruck wrote:
|
|
| Just to add something here. I've been hearing the story of "only in Israel
| we get such low speed where the rest of the world has great high speed
| internet" for years now. First it was with the 28s, then 33, then 56s
|
| So I think this quote from Jim Seymour (PC magazine), even though it was
| written almost two years ago, is apt:
|
| "
| First, V.90 is not magic, and those legendary 56K connections are as
| elusive as ever. (Actually, of course, they're limited to 53 Kbps on the
| receiving side, thanksto an irrelevant government regulation limiting 56K
| devices to 53 Kbps. Irrelevant? Sure: Just as I've never seen a 33.6-Kbps
| connection outside a closed-loop test in a lab, I've never seen a 56-Kbps
| connection, nor even a 53-Kbps link, away from the test bench. Welcome to
| the real world.)
|
| My experience with 56K modems--both x2 (3Com/U.S. Robotics) and K56flex
| (Rockwell and the rest of the modem universe)--is that if you get into
| the mid-30s Kbps range, you're doing pretty well. Get into the low-40s
| Kbps range and you're having a Good Modem Day indeed.
| "
|
| ..not only in Israel
|
| and some participants in this thread might like to read a bit what Dvorak
| has to say about lots of small ISPsstateside.
|
|
|
| On Fri, 23 Mar 2001, guy keren wrote:
|
| >
| > for a slight comparison - in 1996, a fiber-optic T1 link to the states
| > cost about 1,000,000$ per year. a satellite link cost around 750,000$.
| > at those days you could fit approximately 200 concurrent users on such a
| > link to give them their full bandwidth (of an 28.8kbps modem).
| > these days, you can buy such links at a price of (approximately) 100,000$
| > or 200,000$ a year (i might be wrong by a factorof 2, btw). so the price
| > was reduced by a factor of 5 or 10. at the same time, the bandwidth users
| > take has grown significantly - many business users using frame relay and
| > sifranet links. regular modems download at approx. 40kbps (assuming a
| > 57.6kbpsmodem manages to make a connection on at that speed due to
| > various line condition problems). many users use ISDN (64kbps). some use
| > dual isdn (128kbps), and a few use ADSL and cable modems. so you can't put
| > 200 users on a T1 link now - you can put much less then that (probably 100
| > or less, to get a satisfactory speed).
|
|
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