Date Added: Mar 2013
Fault-Tolerance is an important design issue to construct a reliable mobile ad hoc network. Many types of faults may occur in mobile network such as link failure, node failure, misbehaving nodes, network failure, power and energy consumption etc. This paper mainly aims in surveying the research papers by combining them together to find the fault tolerant research problem in mobile ad hoc networks. In this paper many approaches has been taken into account and presented their key ideas.