Difference between revisions of "Internet"
From Internet User Guide
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==Internet Hardware Components== | ==Internet Hardware Components== | ||
| − | The hardware components of the Internet include a wide range of electronic devices, linked together in various ways. Hardware devices such as [[switch]]es and [[router]]s serve as individual network [[node]]s, receiving and transmitting [[data packet]]s. The [[data packet]]s are relayed across the [[network]] from one [[node]] to the next. | + | The hardware components of the Internet include a wide range of electronic devices, linked together in various ways. Hardware devices such as [[switch]]es and [[router]]s serve as individual network [[node]]s, receiving and transmitting [[data packet]]s. The [[data packet]]s are relayed across the [[computer network]] from one [[node]] to the next. |
The hardware devices are linked together by copper wires, fiber-optic cables, wireless connections, and other linkage technologies. | The hardware devices are linked together by copper wires, fiber-optic cables, wireless connections, and other linkage technologies. | ||
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*the [[Transport Layer]] allows different computers on the network to communicate within the same application, for example computers operating under the client-server model | *the [[Transport Layer]] allows different computers on the network to communicate within the same application, for example computers operating under the client-server model | ||
*the [[Internet Layer]] enables computers to connect to one-another via the intermediate networks (this layer establishes internetworking and the Internet) | *the [[Internet Layer]] enables computers to connect to one-another via the intermediate networks (this layer establishes internetworking and the Internet) | ||
| − | *the [[Link Layer]] is a software layer that provides connectivity between devices on the same local link, such as a [[ | + | *the [[Link Layer]] is a software layer that provides connectivity between devices on the same local link, such as a [[local area network]] (LAN) or a dial-up connection. |
*the Hardware Layer consists of the physical devices making up the network | *the Hardware Layer consists of the physical devices making up the network | ||
