ENERGY-AWARE ROUTING IN MULTIPLE DOMAINS SOFTWARE-DEFINED NETWORKS

ENERGY-AWARE ROUTING IN MULTIPLE DOMAINS SOFTWARE-DEFINED NETWORKS

Authors:
Adriana FERNÁNDEZ-FERNÁNDEZ, Cristina CERVELLÓ-PASTOR, Leonardo OCHOA-ADAY

DOI:
10.14201/ADCAIJ2016531319

Volume:
Regular Issue 5 (3), 2016

Keywords: 
Distributed Routing Algorithm; Software-Defined Networks; In-band Control Traffic; Energy-Aware Routing; Traffic Engineering

The growing energy consumption of communication networks has attracted the attention of the networking researchers in the last decade. In this context, the new architecture of Software-Defined Networks (SDN) allows a flexible programmability, suitable for the power-consumption optimization problem. In this paper we address the issue of designing a novel distributed routing algorithm that optimizes the power consumption in large scale SDN with multiple domains. The solution proposed, called DEAR (Distributed Energy-Aware Routing), tackles the problem of minimizing the number of links that can be used to satisfy a given data traffic demand under performance constraints such as control traffic delay and link utilization. To this end, we present a complete formulation of the optimization problem that considers routing requirements for control and data plane communications. Simulation results confirm that the proposed solution enables the achievement of significant energy savings.

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