Modular event-based systems

Fiege, Ludger; Mühl, Gero; Gärtner, Felix

doi:10.1017/s0269888903000559

Cited by 32 publications

(18 citation statements)

References 95 publications

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“…Many publish-subscribe systems [Carzaniga et al 2000;Strom et al 1998;Chand and Felber 2004;Pietzuch and Bacon 2002;Fiege et al 2002;Balter 2004;Cugola et al 2001;Pallickara and Fox 2003] have been designed to work in large-scale scenarios. To maximize message throughput and to reduce the cost of transmission, as much as possible, such systems adopt a distributed core, in which a set of brokers, connected in a dispatching network, cooperate to realize efficient routing of messages from publishers to subscribers.…”

Section: Complex Event Processing Systemsmentioning

confidence: 99%

Processing flows of information

2012

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A large number of distributed applications requires continuous and timely processing of information as it flows from the periphery to the center of the system. Examples include intrusion detection systems which analyze network traffic in real-time to identify possible attacks; environmental monitoring applications which process raw data coming from sensor networks to identify critical situations; or applications performing online analysis of stock prices to identify trends and forecast future values.Traditional DBMSs, which need to store and index data before processing it, can hardly fulfill the requirements of timeliness coming from such domains. Accordingly, during the last decade, different research communities developed a number of tools, which we collectively call Information flow processing (IFP) systems, to support these scenarios. They differ in their system architecture, data model, rule model, and rule language. In this article, we survey these systems to help researchers, who often come from different backgrounds, in understanding how the various approaches they adopt may complement each other.In particular, we propose a general, unifying model to capture the different aspects of an IFP system and use it to provide a complete and precise classification of the systems and mechanisms proposed so far.

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Section: Complex Event Processing Systemsmentioning

confidence: 99%

Processing flows of information

2012

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“…The Modular Event System [11], for example, focuses on event transformations and interoperability, which is achieved by the modularization of publish/subscribe concerns in terms of components called scopes that can be statically composed to implement different infrastructure functionalities and policies under a standardized publish/subscribe API. Current implementation is based on Siena, and borrows from it its event model.…”

Section: Related Workmentioning

confidence: 99%

Striving for versatility in publish/subscribe infrastructures

Filho

Redmiles

2005

Proceedings of the 5th International Workshop on Software Engineering and Middleware

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Publish/subscribe infrastructures are used as the basic communication and integration framework in many application domains. The majority of those infrastructures, however, fall short of mechanisms that allow their customization and configuration to comply with the requirements of those application domains. In other words, they are not versatile enough to support new and evolving requirements demanded by different applications. The YANCEES (Yet ANother Configurable Extensible Event Service) addresses these versatility issues by relying on a combination of plug-in oriented architecture and extensible languages decomposed over different design dimensions of a publish/subscribe infrastructure. We demonstrate our approach, showing how the YANCEES platform can be useful in reducing the customization, extension and implementation effort of different publish/subscribe infrastructures to attend the demands of many application domains.

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“…Scopes in publish/subscribe systems [5,6] delimit groups of producers and consumers on the application level and control the dissemination of notifications within the infrastructure. Hence, they offer a technical basis to realize groups of trust.…”

Section: Scopingmentioning

confidence: 99%

Security aspects in publish/subscribe systems

Fiege¹

2004

"International Workshop on Distributed Event-Based Systems (DEBS 2004)" W18L Workshop - 26th International Conference on Softwa

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Publish/subscribe is emerging as a very flexible communication paradigm that is applicable to environments demanding scalable and evolvable architectures. Although considered for workflow, electronic commerce, mobile systems, and others, security issues have long been neglected in publish/subscribe systems. Recent advances address this issue, but only on a low, technical level. In this paper, we analyze the trust relationships between producers, consumers, and the notification infrastructure. We devise groups of trust to model and implement security constraints both on the application and the system level. The concept of scopes helps to localize and implement security policies as an aspect of structured publish/subscribe systems.

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Modular event-based systems

Cited by 32 publications

References 95 publications

Processing flows of information

Processing flows of information

Striving for versatility in publish/subscribe infrastructures

Security aspects in publish/subscribe systems

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