CCD: Efficient Customized Content Dissemination in Distributed Publish/Subscribe

Jafarpour, Hojjat; Hore, Bijit; Mehrotra, Sharad; Venkatasubramanian, Nalini

doi:10.1007/978-3-642-10445-9_4

Cited by 8 publications

(6 citation statements)

References 21 publications

(30 reference statements)

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“…Jafarpour et al [Jafarpour et al 2009] present a new CPS framework that accommodates richer content formats including multimedia publications with image and video content. The work presented in [Jafarpour et al 2009] is orthogonal to this paper, though we anticipate future extensions of our approach to handle richer content.…”

Section: Content-based Publish/subscribe Systems With Rich Contentmentioning

confidence: 99%

“…The work presented in [Jafarpour et al 2009] is orthogonal to this paper, though we anticipate future extensions of our approach to handle richer content. Jafarpour et al [Jafarpour et al 2008] present a novel approach based on negative space representation for subsumption checking and provides efficient algorithms for subscription forwarding in CPSNs.…”

Section: Content-based Publish/subscribe Systems With Rich Contentmentioning

confidence: 99%

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Parametric Content-Based Publish/Subscribe

Jayaram

Eugster

Jayalath

2013

ACM Trans. Comput. Syst.

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Content-based publish/subscribe (CPS) is an appealing abstraction for building scalable distributed systems, e.g., message boards, intrusion detectors, or algorithmic stock trading platforms. More recently, extensions of the abstraction have been proposed for location-based services like vehicular networks, mobile social networking, etc.Although current CPS middleware systems are dynamic in the way they support the joining and leaving of publishers and subscribers, they fall short in supporting subscription adaptations. These are becoming increasingly important across many CPS applications. In algorithmic high frequency trading, for instance, stock price thresholds that are of interest to a trader change rapidly, and gains directly hinge on the reaction time to relevant fluctuations rather than fixed values. In location-aware applications, a subscription is a function of the subscriber location (e.g. GPS coordinates) which inherently changes during motion.The common solution to adapt a subscription consists in a re-subscription, where a new subscription is issued and the superseded one canceled. This incurs substantial overhead in CPS middleware systems, and leads to missed or duplicate events during the transition. In this paper, we explore the concept of parametric subscriptions for capturing subscription adaptations. We discuss desirable and feasible guarantees for corresponding support, and propose novel algorithms for updating routing mechanisms effectively and efficiently in classic decentralized CPS broker overlay networks. Compared to re-subscriptions, our algorithms significantly improve the reaction time to subscription updates without hampering throughput or latency under high update rates. We investigate pathological cases of high frequency subscription oscillations, which could significantly decrease the throughput of CPS systems thereby affecting other subscribers. We propose and evaluate approximations techniques to detect such oscillations and mitigate the event filtering burden they place on the CPS system.We convey analyze the benefits of our support through implementations of our algorithms in two CPS systems, and by evaluating our algorithms on two different application scenarios.

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Section: Content-based Publish/subscribe Systems With Rich Contentmentioning

confidence: 99%

Section: Content-based Publish/subscribe Systems With Rich Contentmentioning

confidence: 99%

Parametric Content-Based Publish/Subscribe

Jayaram

Eugster

Jayalath

2013

ACM Trans. Comput. Syst.

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“…HERMES [9] provides content-based filtering on top of type-and attribute-based routing and makes use of a distributed hashtable (DHT) to orchestrate processes. Jafarpour et al [11] present a new CPS framework that accommodates richer content formats including multimedia publications with image and video content. The work presented in [11] is orthogonal to this paper, though we anticipate future extensions of our approach to handle richer content.…”

Section: Background and Related Workmentioning

confidence: 99%

“…Jafarpour et al [11] present a new CPS framework that accommodates richer content formats including multimedia publications with image and video content. The work presented in [11] is orthogonal to this paper, though we anticipate future extensions of our approach to handle richer content. Jafarpour et al [10] present a novel approach based on negative space representation for subsumption checking and provides efficient algorithms for subscription forwarding in CPSNs.…”

Section: Background and Related Workmentioning

confidence: 99%

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Parametric Subscriptions for Content-Based Publish/Subscribe Networks

Jayaram¹,

Jayalath²,

Eugster³

2010

Middleware 2010

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Abstract. Subscription adaptations are becoming increasingly important across many content-based publish/subscribe (CPS) applications. In algorithmic high frequency trading, for instance, stock price thresholds that are of interest to a trader change rapidly, and gains directly hinge on the reaction time to relevant fluctuations. The common solution to adapt a subscription consists of a re-subscription, where a new subscription is issued and the superseded one canceled. This is ineffective, leading to missed or duplicate events during the transition. In this paper, we introduce the concept of parametric subscriptions to support subscription adaptations. We propose novel algorithms for updating routing mechanisms effectively and efficiently in classic CPS broker overlay networks. Compared to re-subscriptions, our algorithms significantly improve the reaction time to subscription updates and can sustain higher throughput in the presence of high update rates. We convey our claims through implementations of our algorithms in two CPS systems, and by evaluating them on two different real-world applications.

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Mobile Multimedia Communications

Atzori¹,

Delgado²,

Giusto³

2012

Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering

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PrefaceSuccessfully deploying multimedia services and applications in mobile environments requires adopting an interdisciplinary approach where multimedia, networking and physical layer issues are addressed jointly. Content features analysis and coding, media access control, multimedia flow and error control, cross-layer optimization as well as mobility management and security protocols are research challenges that need to be carefully examined when designing new architectures. We also need to put a great effort in designing applications that take into account the way the user perceives the overall quality of the provided service.Within this scope, MobiMedia intends to provide a unique international forum for researchers from industry and academia, working on multimedia coding, mobile communications and networking fields, to study new technologies, applications and standards.In this MobiMedia edition, particular emphasis was put on the issue of quality of experience (QoE) in pervasive media networks and applications. Indeed, the quality of the user experience, the perceived simplicity of accessing and interacting with systems and services, and the effective and acceptable hiding of the complexity of underlying technologies are certainly determining factors for success or failure of the multimedia services, as well as graceful degradation. With this intent, the conference featured a special session on QoE as well as a panel for discussing the importance of this subject for different types of multimedia applications, related standards and issues in management. Other than a session on QoE, the conference included sessions on dynamic-spectrum-access wireless networks in the TV white spaces, media streaming, mobile visual search, image processing and transmission, multimedia in human-machine interaction, and mobile applications. This book presents a selection of the revised papers.

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CCD: Efficient Customized Content Dissemination in Distributed Publish/Subscribe

Cited by 8 publications

References 21 publications

Parametric Content-Based Publish/Subscribe

Parametric Content-Based Publish/Subscribe

Parametric Subscriptions for Content-Based Publish/Subscribe Networks

Mobile Multimedia Communications

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