Mobile ad hoc networks (MANETs) are highly dynamic in nature. They are used in various critical and urgent situations such as in a conference rooms, virtual lecture rooms, and communication in case of disaster. They do not have a fixed infrastructure and nodes have limited power and bandwidth. Energy aware routing protocols are required for routing packets and choosing an optimal path in terms of energy and bandwidth. This paper presents a literature survey of such energy aware routing protocols. These protocols are modified from existing routing protocols.
Mobile ad hoc networks (MANETs) are very useful in various scenarios where there is need of fast deployment of the network and expensive set up is not required. With these benefits, there are some issues related to these networks. One of these issues is of secure communication. Malicious nodes can easily attack existing routing protocols for MANETs like DSR. In this paper we have proposed a modification of DSR by using message digest. The proposed work produces better results in terms of different metrics when compared with the results of DSR. When a route is set up between the two communicating mobile nodes, the data is sent through a secure key which is not impossible for the intruder nodes to intercept. This halts intrusion in the network. A message digest is created of the data packets.
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