Abstract: MANET (Mobile Ad-hoc Network) is a new technology which has taken enormous attention in the recent years. It has some unique characteristics which make it different from other ad hoc network as well as difficult to define any exact mobility model and routing protocols because of their high mobility and changing mobility pattern. This paper covers functionality, characteristics, applications, advantages, types and various routing protocol of mobile ad-hoc network.

Keywords: MANET, AODV, DSR, ZRP.