Glossary
IGateway
A gateway is a hardware and software device that connects two dissimilar systems, such as a LAN and a mainframe. In Internet terminology, a gateway is another name for a router. Generally a gateway is used as a funnel for all traffic to the Internet.
IEEE
Institute of Electrical and Electronics Engineers
Infrastructure
An integrated wireless and wired LAN is called an Infrastructure configuration. Infra- structure is applicable to enterprise scale for wireless access to a central database, or wireless applications for mobile workers.
ISM Band
The FCC and their counterparts outside the U.S. have set aside bandwidth for un- licensed use in the
Local Area Network (LAN) | 33 |
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A LAN is a group of computers, each equipped with the appropriate network |
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adapter card connected by cable/air, that share applications, data, and peripherals. |
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All connections are made via cable or wireless media, but a LAN does not use tel- |
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ephone services. It typically spans a single building or campus. |
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Network |
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A network is a system of computers that is connected. Data, files, and messages can |
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be transmitted over this network. Networks may be local or wide area networks. |
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Protocol |
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A protocol is a standardized set of rules that specify how communication is to take |
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place, including the format, timing, sequencing and/ or error checking. |
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Roaming |
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In an infrastructure network, this is when a wireless PC moves out of range of the |
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previously connected access point and connects to a newly connected access point. |
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Throughout the network environment where access points are deployed, PCs can |
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always be connected, regardless of where they are located. |
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