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Communication Dans Un Congrès Année : 2009

UbiGate: A Gateway to Transform Discovery Information into Presence Information

Résumé

Pervasive computing involves various entities which need to coordinate tasks and share resources through different service discovery protocols. However, the multiplicity and the incompatibility of those protocols have made interconnectivity problematic. Moreover, most service discovery protocols require a strong participation of users to genuinely play their part. Consequently, service discovery in a pervasive environment has become a challenge that researchers as well as practicionners have tried to overcome through various approaches. Nevertheless, existing solutions mostly consist of designing new protocols which usually address specific application needs while participating in the increase of heterogeneity. To address these problems, we present a new paradigm for service discovery involving the use of a gateway, called UbiGate, and relying on SIP, a widespread signaling protocol. Centered around the notion of presence, UbiGate enables real time availability of service information while hiding the heterogeneity of underlying protocols. We have developped a prototype of UbiGate supporting service discovery protocols such as the protocol used in Bluetooth service discovery mechanism and a protocol enabling the detection mechanism of RFID. Preliminary results show that UbiGate enables new service discovery protocols, either IP or non-IP based, to be seamlessly supported with no significant overhead in discovery latency.
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Dates et versions

hal-00411146 , version 1 (26-08-2009)

Identifiants

  • HAL Id : hal-00411146 , version 1

Citer

Bissyandé Tegawendé, Laurent Réveillère, Yérom-David Bromberg. UbiGate: A Gateway to Transform Discovery Information into Presence Information. 4th ACM International Workshop on Services Integration in Pervasive Environments, Jul 2009, London, United Kingdom. pp.NC. ⟨hal-00411146⟩

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