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Hector is an Energy Efficient Tree-Based Optimized Routing Protocol for Wireless Networks

Nathalie Mitton, Tahiry Razafindralambo, David Simplot-Ryl, Ivan Stojmenovic
2008 2008 The 4th International Conference on Mobile Ad-hoc and Sensor Networks  
We propose HECTOR, a hybrid energy efficient tree-based optimized routing protocol, based on two sets of virtual coordinates.  ...  One set is based on rooted tree coordinates, and the other is based on hop distances toward several landmarks.  ...  The next step of this work is to provide a more efficient and optimized way to build the virtual coordinates in HECTOR.  ... 
doi:10.1109/msn.2008.24 dblp:conf/msn/MittonRSS08 fatcat:jwjstie6qraknprn43akhwxv3y

Comparison and analysis of eight scheduling heuristics for the optimization of energy consumption and makespan in large-scale distributed systems

Peder Lindberg, James Leingang, Daniel Lysaker, Samee Ullah Khan, Juan Li
2010 Journal of Supercomputing  
In this paper, we study the problem of scheduling tasks on a distributed system, with the aim to simultaneously minimize energy consumption and makespan subject to the deadline constraints and the tasks  ...  When evaluating the heuristics, we analyze the energy consumption, makespan, and execution time of each heuristic.  ...  The actual scheduling, that is which task executes first on a given PE, is part of Step 3 in 4EMM. Step 3 is achieved by invoking GenAlg or GenAlg-DVS.  ... 
doi:10.1007/s11227-010-0439-6 fatcat:6vxfddi4zbb7nhhqn24zbkfxly

An Energy Aware Resource Utilization Framework to Control Traffic in Cloud Network and Overloads

Kavita A. Sultanpure, L. S. S. Reddy
2018 International Journal of Electrical and Computer Engineering (IJECE)  
This paper provides a comprehensive overview of the energy efficient techniques and approaches and proposes the energy aware resource utilization framework to control traffic in cloud networks and overloads  ...  Hence, energy efficient task scheduling solutions are required to attain variable resource management, live migration, minimal virtual machine design, overall system efficiency, reduction in operating  ...  Step Towards Green Computing [6] Proposed an architectural principle for energy efficient management of Clouds, energy efficient resource allocation strategies and scheduling algorithm considering Quality  ... 
doi:10.11591/ijece.v8i2.pp1018-1027 fatcat:xbuu2wg35zaulei4cu5jnnxv54

Comparison of Two Common Maximum Power Point Trackers by Simulating of PV Generators

A. Zegaoui, M. Aillerie, P. Petit, J.P. Sawicki, A. Jaafar, C. Salame, J.P. Charles
2011 Energy Procedia  
Power point tracker algorithms play an important role in the optimization of the power and the efficiency of a photovoltaic generator (PVG).  ...  We made the comparison between two algorithms currently implemented for the power optimization of PVG.  ...  PVG response to a temperature step We have also analyzed the influence of the temperature on the response of the MPPT algorithms.  ... 
doi:10.1016/j.egypro.2011.05.077 fatcat:lwyd7ri26fcnxab4ortfi7ytde

A goal programming approach for the joint optimization of energy consumption and response time in computational grids

Samee Ullah Khan
2009 2009 IEEE 28th International Performance Computing and Communications Conference  
We study the multi-objective problem of mapping independent tasks onto a set of computational grid machines that simultaneously minimizes the energy consumption and response time (makespan) subject to  ...  Such a property makes goal programming a very efficient multi-objective optimization technique.  ...  INTRODUCTION Energy-efficient techniques for managing a system at runtime can bring down the amount of energy it consumes.  ... 
doi:10.1109/pccc.2009.5403860 dblp:conf/ipccc/Khan09 fatcat:hp23wlhev5ggdd53cpqzrmu4iq

A goal programming based energy efficient resource allocation in data centers

Samee Ullah Khan, Nasro Min-Allah
2011 Journal of Supercomputing  
We study the multi-objective problem of mapping independent tasks onto a set of data center machines that simultaneously minimizes the energy consumption and response time (makespan) subject to the constraints  ...  Such a property makes goal programming a very efficient multi-objective optimization technique.  ...  Energy-efficient techniques for managing a system at runtime can bring down the amount of energy it consumes.  ... 
doi:10.1007/s11227-011-0611-7 fatcat:ausdldqotvdadacuvd6td3c5ye

State-of-the-art research study for green cloud computing

Si-Yuan Jing, Shahzad Ali, Kun She, Yi Zhong
2011 Journal of Supercomputing  
Efficient energy management is one of the most challenging research issues.  ...  In Sect. 2, we review the core concepts and architecture of a cloud computing system. In Sect. 3, we study techniques and research which can lead to energy efficiency in the IaaS layer.  ...  Step 2: Thermal-aware energy efficient load balancing Obviously, the first step is focused on a single server; hence it is not optimal from a data center's perspective.  ... 
doi:10.1007/s11227-011-0722-1 fatcat:rg4w4sl2cvacnmwkgm7utculqq

Adaptive energy efficient scheduling in Peer-to-Peer desktop grids

Andrei Tchernykh, Johnatan E. Pecero, Aritz Barrondo, Elisa Schaeffer
2014 Future generations computer systems  
work is partially supported by CONACYT (Consejo Nacional de Ciencia y Tecnología de México) under grant no. 178415, the Fonds National de la Recherche (FNR), Luxembourg, GREENIT C09/IS/05 CORE project, and  ...  Often, results from different multi-objective optimizers are compared via visual observation of the solution spaces. One step towards a more formal and statistical approach was made by Zitzler et al.  ...  [23] present a framework based on three components: an on/off model based on an energy-aware resource infrastructure, a resource management system adapted for energy efficiency, and a trust delegation  ... 
doi:10.1016/j.future.2013.07.011 fatcat:5dxtk52jnvasjkfhmbjc737lte

On the interplay of dynamic voltage scaling and dynamic power management in real-time embedded applications

Vinay Devadas, Hakan Aydin
2008 Proceedings of the 7th ACM international conference on Embedded software - EMSOFT '08  
Then, we propose a provably optimal algorithm to determine the optimal CPU speed as well as device state transition decisions to minimize the system-level energy.  ...  In this paper, we undertake an exact analysis of the problem for a real-time embedded application running on a DVS-enabled CPU and using potentially multiple devices.  ...  Thus, when c > 20, the problem of system-wide energy minimization reduces to minimizing CPU energy only and running the CPU at f = U is optimal. Hence, we only vary c from 2-20ms in steps of 2ms.  ... 
doi:10.1145/1450058.1450073 dblp:conf/emsoft/DevadasA08 fatcat:twtapv2aa5bohmqrezhb6es3ua

Optimal dynamic voltage scaling in power-limited systems with real-time constraints

Jianfeng Mao, Qianchuan Zhao, C.G. Cassandras
2004 2004 43rd IEEE Conference on Decision and Control (CDC) (IEEE Cat. No.04CH37601)  
Both off-line and on-line versions of the algorithm are analyzed and numerical examples are provided to illustrate the relative advantages of the latter over the former.  ...  Dynamic voltage scaling is used in power-limited systems such as sensor networks as a means of conserving energy and prolonging their life.  ...  We take a first step towards this goal by developing an algorithm termed Busy Period Decomposition Algorithm (BPDA).  ... 
doi:10.1109/cdc.2004.1430251 fatcat:nhk5gow22jejzlib5fkn63lcqi

A Primarily Survey on Energy Efficiency in Cloud and Distributed Computing Systems [article]

Nikzad Babaii Rizvandi, Albert Y. Zomaya
2012 arXiv   pre-print
A survey of available techniques in hardware to reduce energy consumption  ...  At each time step, the algorithm first calculates energy saving of a task when it is scheduled at the current step and the next step.  ...  operating frequency (1) based on workload information, and (2) under the timing and energy constraints towards achieving the whole system energy efficiency.  ... 
arXiv:1210.4690v2 fatcat:lw3g75tmtfforo3shuid4cbp3q

Optimality and Improvement of Dynamic Voltage Scaling Algorithms for Multimedia Applications

Zhen Cao, Brian Foo, Lei He, Mihaela van der Schaar
2010 IEEE Transactions on Circuits and Systems Part 1: Regular Papers  
Based on this lower bound, we evaluate the efficiency of various existing DVS algorithms.  ...  While many DVS algorithms have been proposed for real-time applications, there does not yet exist a systematic method for evaluating the optimality of such DVS algorithms.  ...  In [7] , a combined leakage and DVS scheduling algorithm, based on earliest-deadline-first scheduling (EDF), is proposed for hard real-time systems.  ... 
doi:10.1109/tcsi.2009.2023941 fatcat:cgjftslixfcmxlcfamiwygu7jy

Integrating Adaptive Components: An Emerging Challenge in Performance-Adaptive Systems and a Server Farm Case-Study

Jin Heo, D. Henriksson, Xue Liu, T. Abdelzaher
2007 28th IEEE International Real-Time Systems Symposium (RTSS 2007)  
Two independently efficient energy saving policies (an On/Off policy that switches machines off when not needed and a dynamic voltage scaling policy) are shown to conflict leading to increased energy consumption  ...  Our results are demonstrated by a case study on energy minimization in multi-tier Web server farms subject to soft real-time constraints.  ...  Casting the objective: The first step of using the optimization methodology is to formulate a common optimization objective.  ... 
doi:10.1109/rtss.2007.48 dblp:conf/rtss/Abdelzaher07 fatcat:55sxp7eierbmzboeipgp7owloa

A Multithreading Local Search For Multiobjective Energy-Aware Scheduling In Heterogeneous Computing Systems

Santiago Itturiaga, Sergio Nesmachnow, Bernabe Dorronsoro
2012 ECMS 2012 Proceedings edited by: K. G. Troitzsch, M. Moehring, U. Lotzmann  
This article introduces an efficient multithreading local search algorithm for solving the multiobjective scheduling problem in heterogeneous computing systems considering the makespan and energy consumption  ...  The experimental analysis demonstrates that the new multithreading algorithm outperforms a set of deterministic heuristics based on Min-Min.  ...  ME-MLS Design ME-MLS is a population-based LS algorithm, which maintains a population of non-dominated schedules in order to avoid biasing the search toward one of the objectives of the energy-aware scheduling  ... 
doi:10.7148/2012-0497-0503 dblp:conf/ecms/IturriagaND12 fatcat:svs3fqeihnfh7oi2k45v77acl4

Optimality and improvement of dynamic voltage scaling algorithms for multimedia applications

Zhen Cao, Brian Foo, Lei He, Mihaela van der Schaar
2008 Proceedings of the 45th annual conference on Design automation - DAC '08  
Based on this lower bound, we evaluate the efficiency of various existing DVS algorithms.  ...  While many DVS algorithms have been proposed for real-time applications, there does not yet exist a systematic method for evaluating the optimality of such DVS algorithms.  ...  In [7] , a combined leakage and DVS scheduling algorithm, based on earliest-deadline-first scheduling (EDF), is proposed for hard real-time systems.  ... 
doi:10.1145/1391469.1391516 dblp:conf/dac/CaoFHS08 fatcat:6phx3evfyrby5pt7lft2xb2onm
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