More on ADSL

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More on ADSL

ADSL Pros and Cons
Pros	Cons
Uses existing copper	Highest speeds are only attainable on loops &18K feet
	High access speed may be mismatch versus Internet backbone capacity
Star topology	Unknown Telco tariffs
High data network access speeds possible	Telco positioning as consumer service
Data travels over less expensive, non-switched infrastructure	Standards confusion
Flat rate pricing	Lagging behind cable modem implementations
Potential for turnkey application solution in Internet access

ADSL Trials and Service Deployments

Company and Location	Speed	Trial dates
ALLTEL Dalton, GA & Hudson, OH	Down: 1.5 Mbps Up:64 Kbps	9-96
Ameritech and IBM Wheaton, ILL	Down: 1.5 Mbps Up:64 Kbps	10-96 with deployment by mid-1998
Bell Atlantic Northern Virginia	Down: 1.5 Mbps Up:64 Kbps	9-96
BellSouth Atlanta, GA	Down: 6 Mbps Up:64 Kbps	10-95 with deployment 1-98
Cincinnati Bell Cincinnati, OH	Down: Down 640 K-2.56 M; 272-1.08M	1-97
GTE Irving, TX	Down: up to 4 Mbps Up: up to 500 Kbps	2-96 with deployment in 1997
GTE and Microsoft, Redmond, WA	Up to 6 Mbps; 384 Kbps	9-96
Intelecom Data System Rhode Island	Down: 640 Kbps-2.5 Mbps Up:275 Kbps-1.08 Mbps	Deployment 3-97 in Rhode Island with plans to expand to other areas in New England
InterAccess Chicago, IL	Down: 1.5 Mbps Up: 64 Kbps	Deployment 9-96
MCI Communication Corporation with partners NW Iowa Telephone & NW Iowa Power Iowa, New York and Detroit	Down: 1.5 Mbps Up: 64 Kbps	10-96 with deployment in 8-97 in Iowa, will add rural areas in 10 states nationwide by early 1998
Network Access Solutions Mid-Atlantic Region	Down up to 6 Mbps	Deployment 2-97
Nynex and Lotus Boston, MA	Down: 1.5 Mbps Up: 64 Kbps	8-96 with deployment in 1998
Northland Comm New York	Down: 1.5 Mbps Up: 64 Kbps	2-978 with deployment to Utica/Rome and Syracuse in late 1997
Pacific Bell San Ramon, CA	Down: 6 Mbps Up: 640 Kbps	8-96 with deployment beginning in 9-97
SBC Comm. and Shell Oil Houston, TX	Down: 6 Mbps Up: 640 Kbps	Deployment late '97
Signet Partners Austin, TX	Down up to 6 Mbps	Deployment starts in 1997
Transport Logic, Portland, OR	Down: 640 Kbps Up: 275 Kbps	Deployment beginning in 1997