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This paper presents a prototype of a new application development framework for development of telephony services. Besides the first party call control, the framework provides support for third party call control, monitoring and presence service, which is based on publish/subscribe mechanism. The programming interface that framework provides maps successfully to mechanisms of SIP protocol and its extensions...
This paper describes the advantages of Cadabiaover competing network programming frameworks.Cadabia is a middleware service architecture for sharing dynamic classes and objects in network-based applications. A default database editor can either be run as a stand-alone RMI application or as a Web service. Cadabia queries can be used as properties of GUI components to read/update persistent data.Cadabia...
One of the main challenges in pervasive systems is the efficient discovery of and access to resources in the dynamic environments of such systems. Existing resource discovery mechanisms are proved inefficient because they use broadcasting to communicate request messages for resources to peers. In this paper we present a more efficient mechanism for tuple-based pervasive systems by restricting such...
IETF Xcon working group and ITU-T SG 16 specify a generic framework for centralized multipoint conferencing applications. The centralized architecture adopted by these specifications are not well adapted to today open and dynamic networks and have well-know drawbacks. In this paper, we present a P2P approach for supporting conference type services in a decentralized architecture. This approach provides...
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