A Survey on Fault Tolerant Routing Techniques in Wireless Sensor Networks

Wireless sensor networks are without a doubt one of the central issues in current research topics due to the harsh environmental conditions in which such networks can be deployed and their unique sensor network characteristics,specifically limited power supply, sensing, processing and communication capabilities. Presented with many challenges and design issues that affect the data routing, a need for a fault tolerant routing protocol becomes essential. In this paper, we summarize and highlight the key ideas of existing fault tolerant techniques of routing protocols, survey existing routing protocols proposed to support fault tolerance. Finally, we provide some future research directions in the area of fault tolerance in wireless sensor networks routing.