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A Middleware Design for Large-scale Clusters offering Multiple Services
KTH, School of Information and Communication Technology (ICT), Microelectronics and Information Technology, IMIT.
KTH, School of Information and Communication Technology (ICT), Microelectronics and Information Technology, IMIT.
2006 (English)In: IEEE Transactions on Network and Service Management, ISSN 1932-4537, E-ISSN 1932-4537, Vol. 3, no 1, 1-12 p.Article in journal (Refereed) Published
Abstract [en]

We present a decentralized design that dynamically allocates resources to multiple services inside a global server cluster. The design supports QoS objectives (maximum response time and maximum loss rate) for each service. A system administrator can modify policies that assign relative importance to services and, in this way, control the resource allocation process. Distinctive features of our design are the use of an epidemic protocol to disseminate state and control information, as well as the decentralized evaluation of utility functions to control resource partitioning among services. Simulation results show that the system operates both effectively and efficiently; it meets the QoS objectives and dynamically adapts to load changes and to failures. In case of overload, the service quality degrades gracefully, controlled by the cluster policies.

Place, publisher, year, edition, pages
2006. Vol. 3, no 1, 1-12 p.
Keyword [en]
autonomic computing, self-organization, decentralized control, web services, quality of service
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-5323DOI: 10.1109/TNSM.2006.4798302Scopus ID: 2-s2.0-85008028556OAI: oai:DiVA.org:kth-5323DiVA: diva2:8427
Note
Uppdaterad från submitted till published(20101123). QC 20101123Available from: 2005-06-07 Created: 2005-06-07 Last updated: 2017-12-04Bibliographically approved
In thesis
1. Scalable Self-Organizing Server Clusters with Quality of Service Objectives
Open this publication in new window or tab >>Scalable Self-Organizing Server Clusters with Quality of Service Objectives
2005 (English)Licentiate thesis, comprehensive summary (Other scientific)
Abstract [en]

Advanced architectures for cluster-based services that have been recently proposed allow for service differentiation, server overload control and high utilization of resources. These systems, however, rely on centralized functions, which limit their ability to scale and to tolerate faults. In addition, they do not have built-in architectural support for automatic reconfiguration in case of failures or addition/removal of system components.

Recent research in peer-to-peer systems and distributed management has demonstrated the potential benefits of decentralized over centralized designs: a decentralized design can reduce the configuration complexity of a system and increase its scalability and fault tolerance.

This research focuses on introducing self-management capabilities into the design of cluster-based services. Its intended benefits are to make service platforms dynamically adapt to the needs of customers and to environment changes, while giving the service providers the capability to adjust operational policies at run-time.

We have developed a decentralized design that efficiently allocates resources among multiple services inside a server cluster. The design combines the advantages of both centralized and decentralized architectures. It allows associating a set of QoS objectives with each service. In case of overload or failures, the quality of service degrades in a controllable manner. We have evaluated the performance of our design through extensive simulations. The results have been compared with performance characteristics of ideal systems.

Place, publisher, year, edition, pages
Stockholm: KTH, 2005. 96 p.
Series
Trita-S3-LCN, ISSN 1653-0837 ; 0509
Keyword
Telekommunikation, Autonomic computing, self-organization, decentralized control, web services, quality of service, Telekommunikation
National Category
Telecommunications
Identifiers
urn:nbn:se:kth:diva-272 (URN)
Presentation
2005-06-14, Q2, S3, Osquldas väg 10, Stcokholm, 11:00
Opponent
Supervisors
Note
QC 20101123Available from: 2005-06-07 Created: 2005-06-07 Last updated: 2010-11-23Bibliographically approved

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Citation style
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