Wide area network (WAN)
wide area network (Wide Area Network:WAN) is a network that covers a wide area. Or may be covered all over the world. For example, the network the Internet as we know well WAN will use the connection between LAN far away. Such asThe LAN is a technology for network connections within the gold. Or area with radius about 2-3 kilometers. The WAN is a network used for remote connection, such as network within or between the city.The technology of a particular type WAN such as remote access (Remote Access),Double line rental (Leased Line), ISDN (Integrated Service Digital Network), ADSL (Asynchronous Digital Subscribe Line), Frame. Relay and satellite systems, etc. WAN network can be divided into 2 types, namely
1.Private network (Private Network) is established, which has specific applications, network organization is the owner of the network is to connect the branches . at the physical level (Physical Layer).Such as telephone lines, leased lines, satellite, etc. (due to requirements of various countries, usually do not allow network yourself)
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