Most of the energy related study in MANET has been done to
reduce energy consumption in either transmission or
suggesting a different routing approach altogether but
following the same concepts being used by standard routing
protocols. Few have explored the idea to reduce the energy
consumption due to routing overheads [4]. This may be
because it requires the cross layer design approach. And to the
best of my knowledge none has analyzed the energy
consumption due to link failure. If during an ongoing
transmission link failed either due to over utilization, node
movement, or congestion etc. the transmission interrupts for a
significant amount of time because before finding or using
another route, the source node of the link failure has to wait
for timeout interval and also has to inform all the nodes using
that link in their path through route error (RERR) packets. In
performing these activities as is expected a significant amount
of energy is consumed. In this paper we measured the energy
consumption behavior of three routing protocols; respectively
the Destination Sequenced Distance Vector Routing (DSDV),
Ad-hoc On Demand Distance Vector routing (AODV) and the
Dynamic source Routing (DSR). These three protocols were
selected so that a comparison with the results obtained in [5]
could be done. The methodology consisted of selecting the