Dependable distributed OSGi environment

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Dependable distributed OSGi environment

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Middleware Conference archive
Proceedings of the ACM/IFIP/USENIX Middleware '08 Conference Companion table of contents

Leuven, Belgium

POSTER SESSION: Posters table of contents

Pages: 104-106

Year of Publication: 2008

ISBN:978-1-60558-369-3

Authors

Miguel Matos	Universidade do Minho
António Sousa	Universidade do Minho

Publisher

ACM New York, NY, USA

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Downloads (6 Weeks): 2, Downloads (12 Months): 34, Citation Count: 0

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ABSTRACT

The OSGi platform embodies the desirable concepts of modularity and dynamic components to build a Service Oriented Platform, whose components interact by means of well defined contracts.

Despite being service oriented, it lacks mechanisms to differentiate service's customers from each other and, therefore, it fails to provide different Service Level Agreements. In this paper we start by isolating customers from each other and at a later stage provide mechanisms to offer adequate SLAs.

As each client is isolated in a self-contained environment we are able to decouple them from the platform (and from the underlying node) to offer mobility among nodes. The advantages of this approach are two-fold: 1) ability to cope with node failures by migrating customers to healthy nodes and 2) optimization of global resource resource usage and further enforcement of SLA by migrating customers to nodes with adequate resources available.

REFERENCES

Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

	1	G. Czajkowski. Resource consumption management api. Technical report, Java Community Process (JSR'284), 2007.
	2	M. Matos , A. Correia, Jr. , J. Pereira , R. Oliveira, Serpentine: adaptive middleware for complex heterogeneous distributed systems, Proceedings of the 2008 ACM symposium on Applied computing, March 16-20, 2008, Fortaleza, Ceara, Brazil [doi>10.1145/1363686.1364214]
	3	The Apache Software Foundation. Apache felix. http://felix.apache.org/.
	4	The Eclipse Foundation. Equinox. http://www.eclipse.org/equinox/.
	5	The Knopflerfish Project. Knopflerfish. http://www.knopflerfish.org/.
	6	The OSGi Alliance. Osgi service platform. http://osgi.org/osgi_technology/download_specs.asp, Aug. 2005. Release 4.