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LANDMARK-BASED SERVICE RECOVERY FOR DISTRIBUTED PUB/SUB SERVICES ON DISASTER MANAGEMENT

by C. -s. Shih, H. -y. Chen, L. -y. Chen, L. -j. Chen
"... A communication system that supports timely, scalable, and highly available information exchanges over a heterogeneous plug-and-play network systems is called an Open Information Gateway (OIGY). Our work focuses on design for disaster resiliency, i.e. means to provide an OIGY with capabilities to de ..."
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to deliver critical messages to parties in a disaster management system even when the underlying physi-cal network has sustained serious damages. This article first presents the design of such an information gateway in general. It then presents the design and implementation of a middleware layer service

Maximizing the number of satisfied subscribers in Pub/Sub systems under capacity constraints

by Vinay Setty, Guido Urdaneta, Roman Vitenberg, Maarten Van Steen - in INFOCOM , 2014
"... Abstract—Publish/subscribe (pub/sub) is a popular communication paradigm in the design of large-scale distributed systems. A provider of a pub/sub service (whether centralized, peer-assisted, or based on a fed-erated organization of cooperatively managed servers) commonly faces two fundamental chall ..."
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Abstract—Publish/subscribe (pub/sub) is a popular communication paradigm in the design of large-scale distributed systems. A provider of a pub/sub service (whether centralized, peer-assisted, or based on a fed-erated organization of cooperatively managed servers) commonly faces two fundamental

The Hidden Pub/Sub of Spotify

by Vinay Setty, Gunnar Kreitz, Roman Vitenberg, Maarten Van Steen, Guido Urdaneta
"... Spotify is a peer-assisted music streaming service that has gained worldwide popularity. Apart from providing instant access to over 20 million music tracks, Spotify also enhances its users ’ music experience by providing various features for social interaction. These are realized by a system using ..."
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the widely-adopted pub/sub paradigm. In this paper we pro-vide an interesting case study of a hybrid pub/sub system designed for real-time as well as offline notifications for Spo-tify users. We firstly describe a multitude of use cases where pub/sub is applied. Secondly, we study the design of its pub/sub

FiST: Scalable XML Document Filtering by Sequencing Twig Patterns

by Joonho Kwon, Praveen Rao, Bongki Moon, Sukho Lee - IN PROC. OF VLDB , 2005
"... In recent years, publish-subscribe (pub-sub) systems based on XML document filtering have received much attention. In a typical pubsub system, subscribed users specify their interest in profiles expressed in the XPath language, and each new content is matched against the user profiles so that ..."
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that the content is delivered to only the interested subscribers. As the number of subscribed users and their profiles can grow very large, the scalability of the system is critical to the success of pub-sub services. In this

Optimizing Pub/Sub Systems by Advertisement Pruning

by Sven Bittner, Annika Hinze - In Proceedings of the 8th International Symposium on Distributed Objects and Applications (DOA 2006 , 2006
"... Abstract. Supporting advertisements in large publish/subscribe services has an improving influence on the system scalability. The additional application of event routing optimizations based on subscriptions further increases the event throughput and decreases the memory usage of publish/subscribe sy ..."
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Abstract. Supporting advertisements in large publish/subscribe services has an improving influence on the system scalability. The additional application of event routing optimizations based on subscriptions further increases the event throughput and decreases the memory usage of publish

Data Distribution Service (DDS) Limitations for Data Dissemination w.r.t

by Christian Esposito - Large-scale Complex Critical Infrastructures (LCCI),” Mobilab , 2011
"... Abstract—The objective of this report is to present the results of the on-going research activity, carried out at the Mobilab research group at the University of Napoli, on evaluating the suitability of the recent OMG specification for pub/sub services, called Data Dissemination Service (DDS) [1], w ..."
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Abstract—The objective of this report is to present the results of the on-going research activity, carried out at the Mobilab research group at the University of Napoli, on evaluating the suitability of the recent OMG specification for pub/sub services, called Data Dissemination Service (DDS) [1

Security issues and requirements for Internet-scale publish-subscribe systems

by Chenxi Wang, Antonio Carzaniga, David Evans, Er L. Wolf - In Proceedings of the Thirtyfifth Hawaii International Conference on System Sciences (HICSS-35), Big Island , 2002
"... Publish-subscribe is a communication paradigm that supports dynamic, many-to-many communications in a distributed environment. Content-based pub-sub systems are often implemented on a peer-to-peer infrastructure that enables information dissemination from information producers (publishers) to consum ..."
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) to consumers (subscribers) through a subscription mechanism. In a wide-area pubsub network, the pub-sub service must handle information dissemination across distinct authoritative domains, heterogeneous platforms and a large, dynamic population of publishers and subscribers. Such an environment raises serious

Dealing with heterogeneous data in pub/sub systems: The Concept-Based approach

by M. Cilia, M. Antollini, C. Bornhövd, A. Buchmann - IN INTL WORKSHOP ON DISTRIBUTED EVENT-BASED SYSTEMS (DEBS’04 , 2004
"... The event-based approach is well suited for integrating autonomous components or applications into complex systems by means of exchanging events. Event-based systems need an event dissemination mechanism to deliver relevant events to interested consumers. The publish/subscribe interaction paradigm h ..."
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has been gaining relevance in this context. One of the main characteristics of publish/subscribe systems is that they decouple producers and consumers so that they can remain unknown to each other. Therefore, the consideration of data heterogeneity issues is fundamental. However, most pub/sub

Adapting Distributed Real-time and Embedded Pub/Sub Middleware

by For Cloud Computing Environments
"... Abstract. Enterprise distributed real-time and embedded (DRE) publish/subscribe (pub/sub) systems manage resources and data that are vital to users. Cloud computing—where computing resources are provisioned elastically and leased as a service—is an increasingly popular deployment paradigm. Enterpris ..."
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Abstract. Enterprise distributed real-time and embedded (DRE) publish/subscribe (pub/sub) systems manage resources and data that are vital to users. Cloud computing—where computing resources are provisioned elastically and leased as a service—is an increasingly popular deployment paradigm

Cost-Effective Resource Allocation for Deploying Pub/Sub on Cloud

by Vinay Setty, Roman Vitenberg, Gunnar Kreitz, Guido Urdaneta, Maarten Van Steen
"... Abstract — Publish/subscribe (pub/sub) is a popular communication paradigm in the design of large-scale distributed systems. A fundamental challenge in de-ploying pub/sub systems on a data center or a cloud infrastructure is efficient and cost-effective resource allocation that would allow delivery ..."
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Abstract — Publish/subscribe (pub/sub) is a popular communication paradigm in the design of large-scale distributed systems. A fundamental challenge in de-ploying pub/sub systems on a data center or a cloud infrastructure is efficient and cost-effective resource allocation that would allow delivery
Results 1 - 10 of 125