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Dependable distributed OSGi environment

Authors:

Miguel Matos,

António SousaAuthors Info & Claims

Companion '08: Proceedings of the ACM/IFIP/USENIX Middleware '08 Conference Companion

Pages 104 - 106

https://doi.org/10.1145/1462735.1462765

Published: 01 December 2008 Publication History

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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

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G. Czajkowski. Resource consumption management api. Technical report, Java Community Process (JSR'284), 2007.

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[2]

M. Matos, A. Correia, J. Pereira, and R. Oliveira. Serpentine: adaptive middleware for complex heterogeneous distributed systems. In ACM symposium on Applied computing, pages 2219--2223. ACM, 2008.

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The Apache Software Foundation. Apache felix. http://felix.apache.org/.

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The Eclipse Foundation. Equinox. http://www.eclipse.org/equinox/.

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The Knopflerfish Project. Knopflerfish. http://www.knopflerfish.org/.

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The OSGi Alliance. Osgi service platform. http://osgi.org/osgi_technology/download_specs.asp, Aug. 2005. Release 4.

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Index Terms

Dependable distributed OSGi environment
1. Computer systems organization
  1. Architectures
    1. Distributed architectures
2. Software and its engineering
  1. Software organization and properties
    1. Software system structures
      1. Distributed systems organizing principles
      2. Software architectures

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Published In

Companion '08: Proceedings of the ACM/IFIP/USENIX Middleware '08 Conference Companion

December 2008

134 pages

ISBN:9781605583693

DOI:10.1145/1462735

Program Chair:
Fred Douglis
IBM T.J. Watson Research Center

Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 01 December 2008

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Middleware '08

Middleware '08: 9th International Middleware Conference

December 1 - 5, 2008

Leuven, Belgium

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