Tuesday, July 5, 2011

Wireless Networking with Ad-Hoc Mode

Networking is the most popular concept for resources sharing. It means creating connection among network devices. Network devices like computer, Printer etc can be connected with network through wired or wireless medium. The most common network we see is LAN where computers are connected through UTP cable. This can be done easily through wireless Ad-Hoc mode easily. Wireless network uses radio signals or microwaves for communicating with other wireless devices and a perfect example of peer to peer network concept.

For an example now a day’s all Laptops and desktops have built in Wi Fi devices. So whenever you need to connect with another Laptop or desktop with in Wi Fi range you just need to set it up, no need for cable LAN connection.

Each wireless network comes up with two distinct modes. They are the Infrastructure mode and the Ad-Hoc mode. Ad-Hoc mode gives the wireless devices the privilege to communicate with each other. 

For setting up communication each wireless adapter must be configured in Ad-Hoc mode.  Also the SSID for all AD-Hoc network devices must be the same. Service set identifier (SSID) identifies a particular 802.11 wireless LAN. 

It has some advantage over wired network such as easy, portable, cost effective, AD-Hoc mode wireless network is good for temporary or emergency purpose where the number of devices is less. But as the traffic or the no of connected devices increases its performance become decrease. 

Another limitation is speed. Such as Ad-Hoc Wi Fi network support 11Mbps where other Wi Fi network support 54Mbps or more. Wireless devices in Ad-Hoc modes offer minimal securities. Also all the devices must be situated in the wireless range. Also bad weather, wall and some other environmental condition effect the wireless ranges.

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