A Survey of Performance based Secure Routing Protocols in MANET

An ad-hoc network is a multi-hop wireless network where all nodes cooperatively maintain network connectivity without a centralized infrastructure. If these nodes change their positions dynamically, it is called a mobile ad-hoc network (MANET). Since the network topology changes frequently, efficient adaptive routing protocols such as AODV, DSR, and TORA are used. As the network is wireless, security becomes the major issue in Mobile Ad hoc Networks. Some of the attacks such as modification, fabrication, impersonation and denial of service attacks are due to misbehavior of malicious nodes, which disrupts the transmission. To avoid such attacks some of cryptographic algorithms and key management schemes and some existing security protocols are used. In this paper we represent a survey of performance based secure routing techniques in MANET. The security techniques are categorized based upon different approaches. The security type is borrowed from intrusion detection as either misuse detection or anomaly detection. This paper provides the major improvement in the secure techniques in MANET research using these approaches the features and categories in the surveyed work.