Jo, Seng-Kyoun and Kim, Young-Min and Wang, Lin and Kangasharju, Jussi and Mühlhäuser, Max (2017):
Green Routing using Renewable Energy for IP Networks.
In: 2017 IEEE International Symposium on Local and Metropolitan Area Networks (LANMAN),
IEEE, Osaka, Japan, 12 - 14 Jun. 2017, ISBN 978-1-5386-0728-2,
DOI: 10.1109/LANMAN.2017.7972174,
[Conference or Workshop Item]

Abstract

A green technology for not only reducing energy consumption but also considering environmental pollution has become a critical factor in ICT industries. However, for the telecommunications sector in particular, most network elements are not usually optimized for power efficiency. In this work, we propose a green routing method in an IP network for the reduction of unnecessary energy consumption. In addition, it can encourage the usage of power generated by renewable energy source instead of traditional fossil energy. As a green networking approach, we first classify the network nodes into either header or member nodes according to the quantity of the available renewable energies. The member nodes then put the routing related module at layer 3 to sleep under the assumption that the layer in the OSI model can operate independently. The whole network nodes are then partitioned into clusters consisting of one header node and multiple member nodes. Then, only the header node in a cluster conducts IP routing and its member nodes conduct packet switching using a specially designed identifier, a tag. To investigate the impact of the proposed scheme, we conducted a number of simulations using  real renewable energy statistics and results show that our approach outperforms the existing solutions in terms of energy efficiency to a large extent.

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