Definition:
A wide area network (WAN) is a network that covers a large geographical
area located
within a countryside and
worldwide networks such as a state, country or the world
* The internet is the world's largest WAN
Areas
of coverage: A network that covers a large geographical located within
a countryside and
worldwide networks such as a
state, country or the world.
Ownership: have no ownership
Types of: - Enterprise Private Network (EPN) is
a type of network built by an enterprise to
interconnect varios company
sites, e.g., production sites, head offices, remote offices, shops, in order to share computer resources.
- Virtual Private Network (VPN)
is a type of private network built over public infrastructure. By using
a number of security mechanisms, including encryption, a VPN
allows users to securely access a network from different
locations using a public telecommunications
network, most frequently the internet.
- Virtual Private Network (VPN)
is a private, secure path over the internet that provide authorized users a secure means of accessing a
private network via the internet.
Example of application: - Internet
-
Worldwide VPN system