ADSL, ISDN, and the future. Message Board

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Technology Stocks : ADSL, ISDN, and the future.

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From: olduser	12/29/1995 1:06:00 AM
	of 198

To Cham: ASDL IS THE FUTURE OF DATA COMMUNICATIONS OVER COPPER FACILITIES ALL DATA COMMUNICATION PROTOCOLS LIKE (VOICE,SDLC,HDLC,X.25,FRAME RELAY,ATM) RUN OVER PHYSICAL LAYERED PROTOCOLS. ADSL IS A NEW PHYSICAL LAYERED PROTOCOL WHICH WILL BE THE TRANSPORT FOR ALL OFF THE ABOVE HIGHER LEVEL PROTOCOLS. ISDN IS NOT A NEW TECHNOLOGY, IT HAS BEEN AROUND FOR TEN YEARS BUT IT NEVER TOOK OFF IN NORTH AMERICA. ISDN HAS BEEN IN USED IN EUROPE FOR THE LAST 8 YRS. IT NEVER TOOK OFF IN NORTH AMERICA BECAUSE WE DID NOT HAVE THE APPLICATIONS THAT REQUIRED THAT KIND OF BANDWITH (128K). NOW WITH THE DEVELOPMENT OF THE INTERNET AND HIGH BANDWITH PROTOCOLS LIKE ATM, ISDN WILL PROBABLY NOT BE ABLE TO PROVIDE ENOUGH BANDWITH FOR ATM AND APPLICATIONS LIKE MPEG. ADSL WILL BE THE PERFECT SOLUTION FOR THESE TECHNICAL PROBLEMS. IF YOU LOOK AT AMATI'S HOME PAGE YOU WILL SEE UNDER THE ANSI SPEC THAT ADSL WILL BE ABLE TO CARRY ATM AND ALSO VOICE OVER THE SAME 2W COPPER PAIR FACILITY. IF YOU DO A LYCOS SEARCH YOU WILL SEE THAT AMATI HAS FIELD TRIALS GOING ON IN AUSTRALIA AND IN EUROPE WITH THIS NEW TECHNOLOGY.

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