Performance Guarantees in Communication Networks
Performance Guarantees in Communication Networks
Real-Time Systems: Design Principles for Distributed Embedded Applications
Real-Time Systems: Design Principles for Distributed Embedded Applications
Real-Time Systems: Theory and Practice
Real-Time Systems: Theory and Practice
Model-based analysis of event-driven distributed real-time embedded systems
Model-based analysis of event-driven distributed real-time embedded systems
Introduction to Discrete Event Systems
Introduction to Discrete Event Systems
NIÑOS take five: the management infrastructure for distributed event-driven workflows
Proceedings of the 5th ACM international conference on Distributed event-based system
Adaptable Decentralized Service Oriented Architecture
Journal of Systems and Software
The OO jDREW reference implementation of RuleML
RuleML'05 Proceedings of the First international conference on Rules and Rule Markup Languages for the Semantic Web
Survey of deterministic and stochastic service curve models in the network calculus
IEEE Communications Surveys & Tutorials
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In this paper we consider an event based architectural component that may overcome the present reluctance to the use of Service Orientation (SOA) in military distributed real-time environments. In particular, we propose a hybrid architecture component that is decentralised in all respects, making it more reactive to real-time events, as well as being easier to analyse and adapt to changing needs. As centralised scheduling and orchestration of SOA services does not scale to distributed systems, our architecture removes this key inhibitor by distributing the data and control flow to a rule-driven Distributed Real-Time SOA (DRT-SOA) component that resides with each service. Embedded deadline driven task scheduling means each service can now dynamically adjust to changes in process priorities. We also propose a method of analysing the performance of the new architecture using the dynamics of Petri Nets and the guarantees of Real-Time Calculus. We present task level worst case analysis results using the proposed method and also present results obtained from an implementation of the proposed architecture in a naval combat system context.