Networking Guide : Introduction

Traditional definition of "network" is a group of computers connected together to share resources such as programs, files, printer, and storage disk. However modern network also includes connections to portable/mobile devices (such as tablet PC, notebook, PDA, digital camera, portable MP3 player, and mobile phone), home entertainment devices (such as TV, video player/recorder, stereo, and radio), home appliances (such as refrigerator and washing machine), and monitoring or sensor devices. Wearable things (such as wristwatch, clothing) and perhaps living objects like human, pet, and tree will be network-able in the not-so-distant future.

network sphere
Picture: Network Sphere
Anything can be networked provided it contains or wears a network interface.

Network design is not a hard-to-grasp science, yet it had been only the job of IT professionals or network specialists before because it was only about big company networks with complex wiring and many computers. Nowadays network design comes down to consumer realm because of the growing popularity of wireless ad-hoc networks using IrDA and Bluetooth and the prevailing home networking technologies such as Ethernet, Wi-Fi, HomePNA, and HomePlug. New technologies such as ZigBee and WiMedia (UWB) will give even more connectivity choices for consumer networks.

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