Actors: a model of concurrent computation in distributed systems
Actors: a model of concurrent computation in distributed systems
DASD dancing: a disk load balancing optimization scheme for video-on-demand computer systems
Proceedings of the 1995 ACM SIGMETRICS joint international conference on Measurement and modeling of computer systems
An online video placement policy based on bandwidth to space ratio (BSR)
SIGMOD '95 Proceedings of the 1995 ACM SIGMOD international conference on Management of data
Reasoning about meta level activities in open distributed systems
Proceedings of the fourteenth annual ACM symposium on Principles of distributed computing
A modular approach to programming distributed real-time systems
Journal of Parallel and Distributed Computing - Special issue on object-oriented real-time systems
Dynamic batching policies for an on-demand video server
Multimedia Systems
Coordinating distributed objects: an actor-based approach to synchronization
Coordinating distributed objects: an actor-based approach to synchronization
An adaptive resource management architecture for global distributed computing
An adaptive resource management architecture for global distributed computing
Formal Specifications of Distributed Multimedia Systems
Formal Specifications of Distributed Multimedia Systems
Abstraction and Modularity Mechanisms for Concurrent Computing
IEEE Parallel & Distributed Technology: Systems & Technology
Experiments with Reflective Middleware
ECOOP '98 Workshop ion on Object-Oriented Technology
2K: A Reflective, Component-Based Operating System for Rapidly Changing Environments
ECOOP '98 Workshop ion on Object-Oriented Technology
Proceedings of the Third International Workshop on Network and Operating System Support for Digital Audio and Video
Composition in Multiparadigm Specification Techniques
Proceedings of the IFIP TC6/WG6.1 Third International Conference on Formal Methods for Open Object-Based Distributed Systems (FMOODS)
A world-wide distributed system using Java and the Internet
HPDC '96 Proceedings of the 5th IEEE International Symposium on High Performance Distributed Computing
Requirements for Telecommunications Services: An Attack on Complexity
RE '97 Proceedings of the 3rd IEEE International Symposium on Requirements Engineering
Load management in distributed video servers
ICDCS '97 Proceedings of the 17th International Conference on Distributed Computing Systems (ICDCS '97)
Modular specification of interaction policies in distributed computing
Modular specification of interaction policies in distributed computing
Using meta-objects to support optimisation in the Apertos operating system
COOTS'95 Proceedings of the USENIX Conference on Object-Oriented Technologies on USENIX Conference on Object-Oriented Technologies (COOTS)
A scalable middleware solution for advanced wide-area web services
Middleware '98 Proceedings of the IFIP International Conference on Distributed Systems Platforms and Open Distributed Processing
An architecture for next generation middleware
Middleware '98 Proceedings of the IFIP International Conference on Distributed Systems Platforms and Open Distributed Processing
The design of the TAO real-time object request broker
Computer Communications
Semantic Models for Distributed Object Reflection
ECOOP '02 Proceedings of the 16th European Conference on Object-Oriented Programming
A Reflective Middleware Framework for Communication in Dynamic Environments
On the Move to Meaningful Internet Systems, 2002 - DOA/CoopIS/ODBASE 2002 Confederated International Conferences DOA, CoopIS and ODBASE 2002
Towards a compositional reflective architecture for actor-based systems
Proceedings of the 2013 workshop on Programming based on actors, agents, and decentralized control
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Systems that provide QoS-enabled services such as multimedia are subject to constant evolution - customizable middleware is required to effectively manage this change. Middleware services for resource management such as scheduling, protocols providing security and reliability, load balancing and stream synchronization, execute concurrently with each other and with application activities and can therefore potentially interfere with each other. To ensure cost-effective QoS in distributed systems, safe composability of resource management services is essential. In this paper we present a meta-architectural framework for customizable QoS-based middleware based on the actor model of concurrent active objects. Using TLAM, a semantic model for specifying and reasoning about components of open distributed systems, we show how a QoS brokerage service can be used to coordinate multimedia resource management services in a safe, flexible and effcient manner. In particular, we show that a system in which the multimedia actor behaviors satisfy the specified requirements, provides the required multimedia service. The behavior specification leaves open the possibility of a variety of algorithms for resource management as well as adding additional resource management activities by providing constraints to ensure their non-interference.