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Essential Guide to Telecommunications, The, Third Edition by Annabel Z. Dodd

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Protocols and Architectures

Protocols are key enablers for all types of communications including Internet access from cellular devices. (See Chapter 9 for cellular service.) New protocols have been developed for lower cost wireless LANs for homes and businesses that provide convenience previously only affordable to large corporations. (See the next section for wireless LANs for homes.)

Protocols—A Common Set of Rules

Protocols enable like devices to communicate with each other by providing a common set of rules. Devices communicate over the Internet using a suite of protocols called TCP/IP. For example, the IP, or Internet protocol portion of TCP/IP, enables portions of messages called datagrams to take different routes through the Internet. ...

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