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14. Lines and Terminators > Higher Capacity Lines

Higher Capacity Lines

Here is a brief overview of the high-speed connectivity options for web servers, each with its own kind of router or switch and termination hardware. These options are all overkill for a simple web surfing client. See Getting Connected, by Kevin Dowd (O’Reilly Media), for a detailed explanation of these kinds of lines.

56K, T1, and T3

You can get a direct digital connection between your home or organization and your ISP through special services provided by your local telco. These direct digital lines typically come in speeds of 56 kbps, T1 (1.544 Mbps), and T3 (45 Mbps). You can also get a fraction of a T1 or T3 and upgrade it later via a software switch in the Central Office.

A 56K dedicated digital line might seem useless since there are 56K analog modems, but remember that the 56K line is more reliable, less subject to noise, and synchronous, so there is less overhead per packet.


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