Improving SDN Performance Using Network Coding: A Quantitative Analysis
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Keywords:
Software Defined Networks, Network Coding, Throughput, Latency, Packet LossAbstract
Software Defined Networking or SDN is an architectural approach to managing the network
where the control and forwarding are different planes that are controlled through an application interface.
Nevertheless, SDN’s traditional renditions incorporate a few limitations such as packet drops, higher
latency and suboptimal resource consumption especially in conditions of high volatility. These problems
can reduce the benefits of SDN especially in areas that need large bandwidth and dependable networks.
Network coding is a promising technology to encode and transmit the data packets as combinations and
thus offers unique solutions to these problems. In communications, network coding, supports direct and
efficient transmission and interactivities, smart data retrieval through the SDN-based networks enhancing
both throughput, decreased latency, and effective fault tolerance. Further, it supports fine-tuning of the load
distribution process by responding to network traffic situations and improving general networking capacity.
In this paper, we investigate the applicability of applying network coding in SDN solutions and evaluate
their effects. The evaluating shows that the network coding implemented reduces the value of packet loss
and increases the value of delivery of data. This approach, allows for a 42.8% throughputs improvement
boost under high load and yet does not incur high latency and is very fault tolerant. These results prove the
possibility of network coding as a powerful addition for SDN and indicate its applicability in the future
network structures.
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