Reliability Aware Multiple Path Installation in Software Defined Networking
Syed Mohsan Raza

TL;DR
This paper introduces a reliability-aware method for installing multiple paths in SDN, reducing computational overhead and flow table overflow by considering link reliability in path selection.
Contribution
It proposes a novel approach that calculates link reliability to optimize the number of alternative paths installed in SDN, improving efficiency over existing methods.
Findings
Reduces controller computational overhead
Decreases end-to-end delay in packet delivery
Lowers traffic overhead for flow rule installation
Abstract
Being a state-of-the-art network, Software Defined Networking (SDN) decouples control and management planes from data plane of the forwarding devices by implementing both the control and management planes at logically centralized entity, called controller. This helps to make simple and easy both the network control and management. Failure of links occurs frequently in a computer network. To deal with the link failures, the existing approaches computes and installs multiple paths for a flow at the switches in SDN without considering the reliability value of the primary path. This incurs extra computation to compute multiple paths, and both increased computation time and traffic to install extra flow rules in the network. In this research work we propose a new approach that calculates the link reliability and then installs the number of multiple paths based on the reliability value of the…
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