Since 1970’s, Wireless Networks systems are continuously providing pervasive computing capability and information access to mobile users without concerning location. It came in two variations: infrastructure and no-infrastructure. The internet is wireless ad-hoc network (no-infrastructure) stems from of their well-known advantages for certain types of applications. Since, there is no fixed infrastructure; a wireless ad-hoc network can be deployed quickly. Thus, such networks can be used in situations where either there is no other wireless communication infrastructure present or where such infrastructure cannot be used because of security, cost, or safety reasons. Such a network is tolerant of failure or departure of terminals, because the network does not rely on a few critical terminals for its organization or control. Similarly, terminals can be added easily to the network. The main applications lie in immediate communication in ‘harse’ environments, where there is no time or resource for laying down the wired infrastructure. Applications such as rescue missions in times of natural disasters, law enforcement operation, commercial and educational use, and sensor networks are just few possible commercial examples.