LAN & WAN Justin Huey.

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Presentation transcript:

LAN & WAN Justin Huey

LAN (Local Area Network) A network of connected devices within the same area Usually connected through Ethernet (wired LAN) or by WiFi (WLAN) Benefits: Allows sharing of expensive machines (laser printers, etc.) Computers in an office can be centrally managed

Types of Lans Personal Computer LANs (Homes or Offices) Back-End Networks The key is to reliably transfer a large amount of data Storage Area Networks A network to explicitly handles storage High Speed Office Networks Offices that frequently use fax machines, document image processors, or graphics programs Factory LANs Automated equipment in a factory setting connects to this type of LAN to control the machines WLANs WLANs are becoming much more popular than wired LANs due to smartphones and other mobile devices (wireless printers, etc.)

Lan Party A gathering of people brining their computers to the same physical space to connect to the same network in order to play the same game Allows for a much better connection, cutting out lag

WAN (Wide Area Network) A communications network spanning across large geographical areas (Cities, States, Countries) Consists of two or more LANs Can be private (connect businesses) or public (connect smaller networks) Used to transfer data, audio, video *The internet is the world’s largest WAN

How WAN WorkS Four different ways to establish a WAN connection (Circuit switching, packet switching, cell relay, and leased lines) Leased lines are the most common Creates a point to point connection through fiber optic cables to connect the sites At the end of each line a router connects the LAN to the other LAN Generally used by large businesses and organizations Recently, smaller companies have started using them

Differences between lan & wan LANs Faster speeds due to distance Cheaper and easier to set up and to keep running More secure WANs Covers a much larger area

References https://howdoesinternetwork.com/2011/wan http://searchnetworking.techtarget.com/definition/local-area-network-LAN http://www.informit.com/articles/article.aspx?p=21179&seqNum=3 https://www.lifewire.com/wide-area-network-816383 https://www.lifewire.com/home-network-diagrams-4064053 http://www.polygon.com/2015/1/29/7944755/lan-party-gaming-call-of-duty