D. Waddington, C. Edwards and D. Hutchison "Resource Management for Distributed Multimedia Applications", ECMAST'97 Proceedings, May 1997.  Home/Search   Document Details and Download   Summary   Related Articles   Check

.... say that a single QoS manager such as the QoS Broker in the OMEGA architecture [101] 102] requires a huge amount of mapping and management knowledge to support large scale distributed applications, and that service management through a single entity is too centralised and severely inflexible [148]. We don t incur this problem because per application QoS Agents encapsulate only the support necessary for specification of QoS capabilities for the corresponding application field and interaction with the reservation protocols supported by the end system. Flexibility and extensibility are ....

Daniel Waddington, Christopher Edwards and David Hutchison "Resource Management for Distributed Multimedia Applications", Proceedings of the Second European Conference on Multimedia Applications, Services and Techniques; Milan, Italy, May 21-23 1997; MPG Internal report number MPG97 -10.

....is not provided by ERDoS. Proposals such as the QoS Broker in the Omega architecture [9] require a huge amount of mapping and management knowledge to support large scale distributed applications, and that service management through a single entity is too centralised and severely inflexible [10]. Quartz does not incur this problem, because QoS agents encapsulate only the support necessary for specification of QoS for the corresponding application field and for interaction with the reservation protocols supported by the end system, making the architecture lightweight and increasing ....

D. Waddington, C. Edwards and D. Hutchison, "Resource Management for Distributed Multimedia Applications", ECMAST'97 Proceedings, May 1997.

.... at Lancaster say that a single QoS manager such as the QoS Broker in the OMEGA architecture, requires a huge amount of mapping and management knowledge to support largescale distributed applications, and that service management through a single entity is too centralised and severely inflexible [Waddington 97] We don t incur this problem, because perapplication QoS Agents encapsulate only the support necessary for specification of QoS capabilities for the corresponding application field and interaction with the reservation protocols supported by the end system. Flexibility and extensibility are ....

Daniel Waddington, Christopher Edwards and David Hutchison "Resource Management for Distributed Multimedia Applications", Proceedings of the Second European Conference on Multimedia Applications, Services and Techniques, Milan, Italy, May 1997; MPG Internal report number MPG97 -10.

....on the Management of Multiservice Networks (MMN) assisted by source code licensing from Microsoft. Lancaster University s part in the URI project is to investigate end system QoS management through the design and development of a component based Distributed Resource Management Architecture (DRMA) [22] which, is a platform for the deployment of multimedia services over broadband networks. The architecture incorporates QoS based distributed bindings in conjunction with multimedia operating system services, assuring end to end QoS through resource monitoring, management and adaptation; the PVM is ....

....loading low level (equivalent to secondary) processor scheduling policies in Windows NT [5] However, this approach uses a hierarchical construction, and thus interference between multiple scheduling policies is more difficult to control. In line with our fuller QoS management framework [22], we are using XML [25] to specify both QoS requirements and resource requirements (in terms of the PVM we are only interested in the latter) This technique provides both a powerful and open approach to specification, which can be easily extended by an administrator or developer to meet new and ....

D.G. Waddington, C. Edwards and D. Hutchison, "Resource Management for Distributed Multimedia Applications", Second European Conference on Multimedia Applications, Services and Techniques (ECMAST '97), Milan, Italy, May 1997, pp. 95-111.

....not do the architecture justice. 4. 3 Multimedia Component Architecture (MCA) The Multimedia Component Architecture (MCA) Waddington, 97b] is being developed as the middleware support for a fuller Distributed Resource Management Architecture (DRMA) which is also on going at Lancaster University [Waddington, 97a] The complete system is aimed at the development and deployment of distributed multimedia applications over multi service networks, through open interfacing techniques. Many of the issues addressed by the DRMA are outside the scope of this paper, therefore in this section we shall briefly ....

D.G.Waddington, C.Edwards and D.Hutchison, "Resource Management for Distributed Multimedia Applications", Second European Conference on Multimedia Applications, Services and Techniques (ECMAST '97), Milan, Italy, May 1997.

....to support the implementation of complex distributed multimedia applications over heterogeneous networks and endsystems. The Multimedia Component Architecture (MCA) presented is being used as the middleware component of a comprehensive Resource Management Architecture for Distributed Applications [Waddington, 97] 1. Introduction An increasing trend in distributed software development is the use of an application programmer s supporting software infrastructure, the middleware . This infrastructure consists of software components lying between the operating system and specific applications and aids ....

....multimedia applications and fulfil their requirements for temporal modelling and continuous interaction processing. The MCA proposed within this paper gives a flexible and scalable solution, and is placed in the context of a previously proposed Distributed Resource Management Architecture [Waddington, 97] for the provision of distributed multimedia applications over broadband networks. The architecture principally defines mechanisms for component abstraction, signalling and management and highlights its ability to support third party components through the abstraction of both component control ....

[Article contains additional citation context not shown here]

D.G.Waddington, C.Edwards and D.Hutchison, "Resource Management for Distributed Multimedia Applications", Second European Conference on Multimedia Applications, Services and Techniques (ECMAST '97), Milan, Italy, May 1997.

....which communicate in one to many and many tomany relationships. 2.1 Hierarchical QoS Management From an engineering perspective, QoS management in a distributed system is a substantially complex task. An approach which has been proposed in the Distributed Resource Management Architecture (DRMA) Waddington, 97] is hierarchical QoS management. This technique breaks down the task of managing end to end resources by dividing the problem into a set of finer grained point to point requirements which are structured as hierarchical bindings. By doing so, the QoS mapping and monitoring processes become ....

D.G.Waddington, C.Edwards and D.Hutchison, "Resource Management for Distributed Multimedia Applications", Second European Conference on Multimedia Applications, Services and Techniques (ECMAST '97), Milan, Italy, May 1997.

....resources. Because of the obvious proliferation and acceptance of distributed object computing, and more importantly its usefulness in addressing the problem of QoS management in an open distributed system, proposals have already been made for objectbased management frameworks [Dang, 95] ISO, 97] Waddington, 97a] However, up till now, much of the work has only addressed issues of QoS specification and the projection of useful QoS abstractions and services to the application programmer. In this paper we discuss our approach to distributed QoS adaptation, furthering Lancaster s original work on QoS ....

....its use in instigating adaptation processes. In section 4 we discuss some of the issues concerning the engineering and implementation of QoS adaptation into distributed multimedia middleware platforms, and in particular our recently developed Distributed Resource Management Architecture (DRMA) Waddington, 97a] Finally in section 5 we present our conclusions. 2. QoS Provisioning through Resource Management In order to sustain the QoS requirements of a given continuous media application, all resources involved in the handling and processing of data from end to end, must be carefully co ordinated and ....

[Article contains additional citation context not shown here]

D.G.Waddington, C.Edwards and D.Hutchison, "Resource Management for Distributed Multimedia Applications", Second European Conference on Multimedia Applications, Services and Techniques (ECMAST '97), Milan, Italy, May 1997.

No context found.

D. Waddington, C. Edwards and D. Hutchison "Resource Management for Distributed Multimedia Applications", ECMAST'97 Proceedings, May 1997.

Online articles have much greater impact   More about CiteSeer.IST   Add search form to your site   Submit documents   Feedback  

CiteSeer.IST - Copyright Penn State and NEC