Toward distributed service discovery in pervasive computing environments

doi:10.1109/TMC.2006.26

Toward distributed service discovery in pervasive computing environments

2006-02-01

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DOI：10.1109/TMC.2006.26

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Abstract

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The paper proposes a novel distributed service discovery protocol for pervasive environments. The protocol is based on the concepts of peer-to-peer caching of service advertisements and group-based intelligent forwarding of service requests. It does not require a service to be registered with a registry or lookup server. Services are described using the Web Ontology Language ( OWL). We exploit the semantic class/subClass hierarchy of OWL to describe service groups and use this semantic information to selectively forward service requests. OWL-based service description also enables increased flexibility in service matching. We present simulation results that show that our protocol achieves increased efficiency in discovering services ( compared to traditional broadcast-based mechanisms) by efficiently utilizing bandwidth via controlled forwarding of service requests.

Keywords:

service discovery architecture

pervasive computing

MANET

OWL

semantic description

peer-to-peer

Toward distributed service discovery in pervasive computing environments

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