Optimal configuration of Energy-Efficient Ethernet |
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| Authors: | Sergio Herrerı´a-Alonso Miguel Rodrı´guez-Pérez Manuel Fernández-Veiga Cándido López-Garcı´a |
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| Affiliation: | 1. Department of Electrical and Computer Engineering, University of Rochester, Rochester, NY, United States;2. Department of Telematics Engineering, Universitat Politecnica de Catalunya, Barcelona, Spain;3. Fundacio i2CAT, Barcelona, Spain;1. Institute of Applied Mechanics, College of Mechanical and Vehicle Engineering, Taiyuan University of Technology, Taiyuan, 030024, China;2. State Key Laboratory for Strength and Vibration of Mechanical Structures, Xi’an Jiaotong University, Xi''an, 710049, China;3. Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology, Ministry of Education, School of Chemistry, Beijing University of Aeronautics and Astronautics, Beijing, 100191, China;4. Shanxi Key Laboratory of Material Strength & Structural Impact, Taiyuan University of Technology, Taiyuan, 030024, China;5. National Demonstration Center for Experimental Mechanics Education (Taiyuan University of Technology), Taiyuan, 030024, China;6. Beijing Advanced Innovation Center for Biomedical Engineering, Beijing University of Aeronautics and Astronautics, 100191, China;1. Department of Electronics & IT, University of Kashmir, Srinagar 190006, J&K, India;2. Department of Computer Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran;3. Faculty of Computer and Information Technology Engineering, Qazvin Branch, Islamic Azad University, Qazvin, Iran;4. School of Computer Science, Institute for Research in Fundamental Sciences (IPM), Tehran 1953833511, Iran |
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| Abstract: | The IEEE 802.3az standard provides a new low power mode that Ethernet network interfaces can use to save energy when there is no traffic to transmit. Simultaneously with the final standard approval, several algorithms were proposed to govern the physical interface state transition between the normal active mode and the new low power mode. In fact, the standard leaves this sleeping algorithm unspecified to spur competition among different vendors and achieve the greatest energy savings. In this paper, we try to bring some light to the most well known sleeping algorithms, providing mathematical models for the expected energy savings and the average packet delay inflicted on outgoing traffic. We will then use the models to derive optimum configuration parameters for them under given efficiency constraints. |
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