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| Prestige 645 ADSL Internet Access Router |
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| networks. |
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| DTE |
| Originally, the DTE (data terminal equipment) was a dumb terminal or printer, but today it |
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| is a computer, or a bridge or router that interconnects local area networks. |
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| EMI |
| ElectroMagnetic Interference. The interference by electromagnetic signals that can cause |
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| reduced data integrity and increased error rates on transmission channels. |
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| Encapsula- |
| A process of putting information into packets. One layer encloses or encapsulates other |
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| tion |
| layers of the packet; for example, TCP/IP uses encapsulation. A whole separate packet can |
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| even be encapsulated into another with a technique called IP tunneling. |
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| Ethernet |
| A very common method of networking computers in a LAN. There are a number of |
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| adaptations to the IEEE 802.3 Ethernet standard, including adaptations with data rates of 10 |
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| Mbits/sec and 100 Mbits/sec over coaxial cable, |
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| The latest version of Ethernet, Gigabit Ethernet, has a data rate of 1 Gbit/sec. |
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| FAQ |
| (Frequently Asked Questions) |
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| questions on a particular subject. |
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| FCC |
| The FCC (Federal Communications Commission) is in charge of allocating the |
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| electromagnetic spectrum and thus the bandwidth of various communication systems. |
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| Flash |
| The nonvolatile storage that can be electrically erased and reprogrammed so that data can be |
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| memory |
| stored, booted, and rewritten as necessary. |
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| Gateway |
| A gateway is a computer system or other device that acts as a translator between two systems |
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| that do not use the same communication protocols, data formatting structures, languages, |
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| and/or architecture. |
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| Host |
| Any computer on a network that is a repository for services available to other computers on |
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| the network. It is quite common to have one host machine provide several services, such as |
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| WWW and USENET. |
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| IANA |
| Internet Assigned Number Authority acts as the clearinghouse to assign and coordinate the |
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| use of numerous Internet protocol parameters such as Internet addresses, domain names, |
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| protocol numbers, and more. The IANA Web site is at http://www.isi.edu/iana. |
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| ICMP |
| Internet Control Message Protocol is a message control and |
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| a host server and a gateway to the Internet. ICMP uses Internet Protocol (IP) datagrams, but |
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| the messages are processed by the TCP/IP software and are not directly apparent to the |
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| application user. |
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| internet |
| (Lower case i) Any time you connect 2 or more networks together, you have an internet. |
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Glossary | E |