A Light-Weight Component Model for Peer-to-Peer Applications

Alois Ferscha, Manfred Hechinger, Rene Mayrhofer, Roy Oberhauser

Research output: Chapter in Book/Report/Conference proceedingsConference contribution

29 Citations (Scopus)

Abstract

Mobile Peer-to-Peer (P2P) computing applications involve collections of heterogeneous and resource-limited devices (such as PDAs or embedded sensor-actuator systems), typically operated in ad-hoc completely decentralized networks and without requiring dedicated infrastructure support. Short-range wireless communication technologies together with P2P networking capabilities on mobile devices are responsible for a proliferation of such applications, yet these applications are often complex and monolithic in nature due to the lack of lightweight component/container support in these resource-constrained devices. In this paper we describe our lightweight software component model P2Pcomp that addresses the development needs for mobile P2P applications. An abstract, flexible, and high-level communication mechanism among components is developed via a ports concept, supporting protocol independence, location independence, and (a)synchronous invocations; dependencies are not hard-coded in the components, but can be defined at deployment or runtime, providing late-binding and dynamic rerouteability capabilities. Peers can elect to provide services as well as consume them, services can migrate between containers, and services are ranked to support Quality-of-Service choices. Our lightweight container realization leverages the OSGi platform and can utilize various P2P communication mechanisms such as JXTA. A "smart space" application scenario demonstrates how P2Pcomp supports flexible and highly tailorable mobile P2P applications.

Original languageEnglish
Title of host publication2nd International Workshop on Mobile Distributed Computing
Pages520-527
Number of pages8
DOIs
Publication statusPublished - 2004
Event24th International Conference on Distributed Computing Systems (ICDCS'04) - Tokyo, Japan
Duration: 23 Mar 200426 Mar 2004
http://www4.comp.polyu.edu.hk/~mdc04/

Conference

Conference24th International Conference on Distributed Computing Systems (ICDCS'04)
CountryJapan
CityTokyo
Period23.03.200426.03.2004
Internet address

Keywords

  • Component framework
  • Context awareness
  • JXTA
  • OSGi
  • Peer-to-peer computing
  • Pervasive computing
  • Web Services

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