Evaluating Wireless Proactive Routing Protocols under Scalability and Traffic Constraints

Details Evaluating Wireless Proactive Routing Protocols under Scalability and Traffic Constraints Evaluating Wireless Proactive Routing Protocols under Scalability and Traffic Constraints

2012-02-19

arxiv.org/abs/1202.4128v1

Computer Science

Networking and Internet Architecture

48th ICC-AHSN, 2012; Ottawa Canada

Scientific paper

In this paper, we evaluate and analyze the impact of different network loads and varying no. of nodes on distance vector and link state routing algorithms. We select three well known proactive protocols; Destination Sequenced Distance Vector (DSDV) operates on distance vector routing, while Fisheye State Routing (FSR) and Optimized Link State Routing (OLSR) protocols are based on link state routing. Further, we evaluate and compare the effects on the performance of protocols by changing the routing strategies of routing algorithms. We also enhance selected protocols to achieve high performance. We take throughput, End-to-End Delay (E2ED) and Normalized Routing Load (NRL) as performance metrics for evaluation and comparison of chosen protocols both with default and enhanced versions. Based upon extensive simulations in NS-2, we compare and discuss performance trade-offs of the protocols, i.e., how a protocol achieves high packet delivery by paying some cost in the form of increased E2ED and/or routing overhead. FSR due to scope routing technique performs well in high data rates, while, OLSR is more scalable in denser networks due to limited retransmissions through Multi-Point Relays (MPRs).

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