Ad-hoc network
An Ad hoc network is a computer-to-computer network, or in more advanced terms a peer-to-peer network. The word "ad hoc" is a Latin word, which means "For this purpose", which means for a special purpose.
It is usually a temporary network established between two or more computers, for special purposes such as network sharing, file sharing and devices such as printer sharing. It may be temporary or permanent.
How it works?
Its working is simple. If one computer has internet access, then it can share it with other computers. Unlike Wi-Fi, it does not requires a router or any Base station, thus it can also be called an "infrastructureless" network. It is simply a network between a group of computers. Suppose a computer has LAN or WLAN any kind of network access, and it has another wireless adapter or Ethernet port which is currently not in use. Then, with the help of wireless adapter or the Ethernet port, it may share its network from its LAN or WLAN, on wireless adapter or Ethernet. Then other computers will be able to access internet wireless or wired, depending on how it is being shared.
In simple terms, it is the sharing of data to and from two or more devices. In adhoc network each mobile device or any device with wireless capability connected to the network acts as a router.
Almost all operating systems support an ad hoc network. It is very easy to create one.
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