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Alternatives
If you are looking for a continuous connection, such as connecting
a Web server to the Internet, a dedicated frame relay or T-1
line may make more sense. ISDN is a circuit-switched service,
which means it is only connected when it is being used. Leaving
ISDN connected around the clock can end up being more expensive
than a dedicated line or "leased" line, which has
a flat monthly price.
Over the next several years, the bandwidth bottleneck residential
and small business users face will be alleviated as new technologies
such as Digital Subscriber Line (DSL) are more widely deployed.
These new technologies work over regular telephone wires.
These services will offer much greater speeds, but are deployed
in limited areas.
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