Modelling Energy Consumption in High-Capacity Routers and Switches

Speaker:  Arun Vishwanath – Melbourne, VIC, Australia
Topic(s):  Computational Theory, Algorithms and Mathematics


Internet equipment such as routers and switches are major contributors to the energy consumption of modern networks. Many energy efficiency metrics for these high-capacity devices are coarse grained, i.e. based upon a single energy per bit value given at peak load or averaged over several specific loads. In this talk, we will present a new power model and a vendor-agnostic methodology that permits quantifying the energy efficiency of Internet equipment at a more fundamental level, i.e. at the granularity of per-packet processing, and per-byte store and forward packet handling operations. We will demonstrate the efficacy of the proposed technique by applying it to different types of routers and switches. We will then describe how our technique can be used to accurately estimate the network-wide energy footprint incurred when accessing different applications. We believe that our method offers a valuable framework against which the energy efficiency of current and future generation of load-proportional Internet equipment can be benchmarked.

About this Lecture

Number of Slides:  20
Duration:  45 minutes
Languages Available:  English
Last Updated: 

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