Design and Implementation of Distributed QoS Management Architecture for Real-time Negotiation and Adaptation Control on CORBA Environments 


Vol. 27,  No. 1, pp. 21-35, Jan.  2002


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  Abstract

Nowadays, in accordance with increasing expectations of multimedia stream service on the internet, a lot of distributed applications are being required and developed. But the models of the existing systems have the problems that cannot support the extensibility and the reusability, when the QoS relating functions are being developed as an imegrated modules which are suited on the cemralized comrolled specific-purpose application services. To cope with these problems, it is suggested in this paper to a distributed QoS management system on CORBA, an object-oriented middleware compliance. This systems we suggested can provides not only for efficient control of resources, various service QoS, and QoS control functions as the existing functions, but also QoS control real-time negotiation and dynamic adaptation in addition.
This system consists of QoS Control Management Module(QoS CMM) in client side and QoS Management Module(QoS MM) in server side, respectively. These distributed modules are interfacing with each other via CORBA on different systems for distributed QoS management while serving distributed streaming applications.
In phase of design of our system, we use UML(Unified Modeling Language) for designing each component in modules, their method calls and various detailed functions for controlling QoS of stream services. For implementation of our system, we used OrbixWeb 3.1c following CORBA specification on Solaris 2.5/2.7, Java language, Java Media Framework API 2.0 beta2, Mini-SQL 1.0.16 and the multimedia equipments, such as SunVideoPlus/SunVideo capture board and Sun Camera. Finally, we showed a numerical data controlled by real-time negotiation and adaptation procedures based on QoS map information to GUls on client and server dynamically, while our distributed QoS management system is executing a given streaming service.

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  Cite this article

[IEEE Style]

W. Lee, C. Shin, C. Jeong, S. Joo, "Design and Implementation of Distributed QoS Management Architecture for Real-time Negotiation and Adaptation Control on CORBA Environments," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 1, pp. 21-35, 2002. DOI: .

[ACM Style]

Won-Jung Lee, Chang-Sun Shin, Chang-Won Jeong, and Su-Chong Joo. 2002. Design and Implementation of Distributed QoS Management Architecture for Real-time Negotiation and Adaptation Control on CORBA Environments. The Journal of Korean Institute of Communications and Information Sciences, 27, 1, (2002), 21-35. DOI: .

[KICS Style]

Won-Jung Lee, Chang-Sun Shin, Chang-Won Jeong, Su-Chong Joo, "Design and Implementation of Distributed QoS Management Architecture for Real-time Negotiation and Adaptation Control on CORBA Environments," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 1, pp. 21-35, 1. 2002.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880