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DEFINITION |
- A wide area network ( WAN ) is a network that cover a large geographical area located within a countryside and worldwide networks such as a city, country, or the world. - WAN using a communications channel that combines many type of media such as telephone lines, cables and radio waves. - The internet is the world's largest Wide Area Network. ( WAN ) |
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TYPES OF WIDE AREA NETWORK. ( WAN )
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| i) ENTERPRISE PRIVATE NETWORK. ( EPN ) |
-Enterprise Private Network ( EPN ) is a type of network built by an enterprise to interconnect various company sites. - Example : Shops, head offices, remote office in order to share computer resources. |
ii) VIRTUAL PRIVATE NETWORK ( VPN ) |
| -Virtual Private Network ( EPN ) is a type of private network built over public infrastructure. - By using a number of security mechanism, including encryption, a VPN allows users to securely access a network from different locations using a public telecommunications network, most frequently the internet. - A private, secure path over the internet that provide authorized users a secure means of accessing a private network network via the internet. |