The Internet of things is term basically composed of two word “Internet” and “Things” .The first word describes interconnecting every possible computing device in the world and second word describe everything that is addressable and communicable will be connected. Many issues in IoT include privacy, security, reliability, link failures, routing, heterogeneity etc. In this paper main focus on Routing. It is one of most important service in IoT. Routing is necessary to exchange the information in things and many protocols are designed and developed for optimum path selection. It depends on residual energy, delay and number of forwarding nodes in the path. In IOT continuous movement of nodes, frequently changing topology and limited resources it’s become great challenge for the researcher in routing field. The paper provides literature survey on IoT with past research and discussion about applicability towards the IoT and routing challenges with comparison of different routing protocols using different parameters.

Routing, Protocols, IoT

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