Word: telnetting
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...computer network often seems like a work of magic from the perspective of a computer user. It's supposed to appear seamless: when your computer is turned on, you simply run telnet or Netscape and have access to a literal world of information...
...first key to keep in mind about most large networks like the FAS Network and the Internet is that they transmit data in packets or small chunks. Whether you're sending an e-mail message, typing characters in a telnet session or listening to an audio file on the Web, all your communications are translated into packets of digital data...
...this point, your data may go one of several ways. Say you've opened a telnet session to fas to read newsgroups. The Science Center router will see that the packet heading towards it is destined for "140.247.30.30," the IP address for the fas server. The router then dutifully sends your packet on to fas, which processes the data and sends a response packet...
...first step on the road to recovery is to realize that the fas% prompt isn't "just" for e-mail. When you use telnet to connect to fas.harvard.edu, you're opening what's called a "session" on a big, expensive machine in the Science Center...
Most students already use the network-centric model in their daily lives. Undergraduate e-mail is stored in a central disk array in the Science Center, and students use telnet and Eudora to retrieve new messages. The data, and much of the processing load, is handled by the network, not the PC on your desktop...