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DSL is an enabling technology that benefits users and service providers alike. During the transition from analog modems to using wholly digital equipment and services for remote access, there are different recommendations for different participants.
For mobile users, the analog/cellular modem remains the only real choice. All other technologies are "tethered" using communication lines and, therefore, are not viable options.
For the small office/home office (SOHO), including both Internet access and telecommuting, either ISDN, ISDL, or ASDL deliver excellent price/performance and productivity. ISDN is for users that need integrated voice and data services. As ADSL becomes more widely available, it will provide the bandwidth today's "power users" crave, along with the lifeline voice that all users need.
For corporations, digital communications is recommended for all but mobile users. The choices range from ISDN, T1, and Frame Relay to IDSL and ADSL. IDSL and ADSL are the best choices for SOHO environments, including telecommuters.
For carriers and service providers, the sooner DSL technologies are offered, the sooner the strategic split between voice/data architecture and service model can be established.
With the required infrastructure solidly in place, both trials and full-scale deployment of other DSL technologies are relatively easy to implement. The future of remote access is indeed digital, and the future of digital communications has arrived with DSL.
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