Self-similarity in World Wide Web traffic: evidence and possible causes
IEEE/ACM Transactions on Networking (TON)
Managing energy and server resources in hosting centers
SOSP '01 Proceedings of the eighteenth ACM symposium on Operating systems principles
The state of the art in locally distributed Web-server systems
ACM Computing Surveys (CSUR)
The case for power management in web servers
Power aware computing
Energy Management for Server Clusters
HOTOS '01 Proceedings of the Eighth Workshop on Hot Topics in Operating Systems
Dynamic cluster reconfiguration for power and performance
Compilers and operating systems for low power
Energy-Efficient Policies for Request-Driven Soft Real-Time Systems
ECRTS '04 Proceedings of the 16th Euromicro Conference on Real-Time Systems
Energy-efficient policies for embedded clusters
LCTES '05 Proceedings of the 2005 ACM SIGPLAN/SIGBED conference on Languages, compilers, and tools for embedded systems
Theory, Volume 1, Queueing Systems
Theory, Volume 1, Queueing Systems
Energy-Efficient Real-Time Heterogeneous Server Clusters
RTAS '06 Proceedings of the 12th IEEE Real-Time and Embedded Technology and Applications Symposium
On evaluating request-distribution schemes for saving energy in server clusters
ISPASS '03 Proceedings of the 2003 IEEE International Symposium on Performance Analysis of Systems and Software
Energy conservation policies for web servers
USITS'03 Proceedings of the 4th conference on USENIX Symposium on Internet Technologies and Systems - Volume 4
Statistical QoS Guarantee and Energy-Efficiency in Web Server Clusters
ECRTS '07 Proceedings of the 19th Euromicro Conference on Real-Time Systems
Energy-efficient server clusters
PACS'02 Proceedings of the 2nd international conference on Power-aware computer systems
Markov Model Based Power Management in Server Clusters
GREENCOM-CPSCOM '10 Proceedings of the 2010 IEEE/ACM Int'l Conference on Green Computing and Communications & Int'l Conference on Cyber, Physical and Social Computing
Power management schemes for heterogeneous clusters under quality of service requirements
Proceedings of the 2011 ACM Symposium on Applied Computing
GREENCOM '11 Proceedings of the 2011 IEEE/ACM International Conference on Green Computing and Communications
Power-aware linear programming based scheduling for heterogeneous computer clusters
Future Generation Computer Systems
A performance and energy optimization mechanism for cooperation-oriented multiple server clusters
Future Generation Computer Systems
Optimal Server Allocation and Frequency Modulation on Multi-Core Based Server Clusters
International Journal of Green Computing
International Journal of Web Services Research
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M/M/1 queues have been traditionally used to model several systems like phone calls at a call center, banking services and so on. However, recent studies showed that it does not model properly a web server system. In this paper we investigate the impact of this assumption in providing timeliness constraint in an energy-efficient web server. Although energy efficiency is a key issue, it should not be attained at the expense of a poor quality of service. The work proposed here describes a technique that uses queueing theory results to balance energy consumption and adequate application response times in heterogeneous CPU-intensive server clusters. Moreover, we investigate the I/O impact on a purely CPU-oriented energy saving strategy. This proposal shows that the assumption of a Poisson process is a good approximation to model a web server.