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Ethernet is a technology used to connect a group of computers to each other on a Local Area Network (LAN). IEEE 802.3 is the standard used for an Ethernet and has been in existence since 1980. Wi-Fi has also been standardized by IEEE 802.11 and is used to connect computers without wires. Wireless LANs are used in homes and offices all over the world.
The word “Ethernet” has been derived from “ether”, a physical concept about a medium that carries light. Initially, an Ethernet required the use of a shared, coaxial cable which could connect computers to one another, and this cable was used to send and receive data. This main cable functioned in the same manner as ether and it connected a network of computers together. This gave rise to the name “ether” and “net” or “Ethernet”.
Over time, Ethernet has developed into a highly sophisticated technology, which drives some of the most powerful and intricate LANs around the world. Instead of a single cable, high-tech Ethernets now have point-to-point links. These links are connected to one another with the help of hubs, switches or routers. A hub-managed Ethernet LAN requires a twisted-pair network. Such twisted-pair wiring provides many benefits to system administrators and IT enthusiasts across the world. For one thing, twisted-pair wiring helps reduce the costs of installing a complex Ethernet network. Routers and hubs also increase the overall reliability and stability of the network. Such Ethernet networks became easier to manage and maintain in comparison to older versions of an Ethernet.
Despite the changes, a modern Ethernet still shares identical frame formats to earlier versions. Therefore, both the simple and the complex versions of an Ethernet have identical interfaces for higher layers so that both these versions could be interconnected with one another easily.
Technological advancements have helped improve Ethernets in a positive way. Hardware has become cheaper and the space required to host an Ethernet network has also become more compact. As a result, manufacturers have begun offering all the functionalities of an Ethernet built-in to a motherboard. In simpler terms, this means an Ethernet card is included as a part of modern motherboards and using an Ethernet has become simpler than before.
Most of the stores selling computer hardware offer Ethernet hubs with different designs, network adapters, related cables and switches so you can find any of these products easily if needed for additional connectivity options.
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