Modeling Energy Saving Mechanism for Green Routers

Gi Ren Liu, Phone Lin, Mohamad Khattar Awad

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


The rapidly growing energy consumption of the Internet core network has been a growing concern. In this respect, we have proposed a distributed and load adaptive energy saving router (ESR) mechanism to manage the energy consumption of green routers in our previous work. In this paper, we propose an analytical model to investigate the performance of ESR. The proposed model captures the distribution of the packet service time, the buffer size, and the packet loss probability. Under the low (resp. high) traffic load situation, our numerical results show that the ESR has the ability to save more than 40% (resp. 9%) energy. In addition to evaluating the ESR performance in terms of the energy saving ratio, rerouting probability and average delay, the models provide manufactures and operators with guidelines for the deployment of green Internet.

Original languageEnglish
Article number8304600
Pages (from-to)817-829
Number of pages13
JournalIEEE Transactions on Green Communications and Networking
Issue number3
Publication statusPublished - 2018 Sep

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Computer Networks and Communications

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