An optimized multicast-based data dissemination middleware: a demonstration

Li, W.; Zhang, W.; Liberatore, Vincenzo; Penkrot, Vince; Beaver, Jonathan; Sharaf, Mohamed A.; Roychowdhury, Siddhartha; Chrysanthis, Panos K.; Pruhs, Kirk

doi:10.1109/icde.2003.1260860

Cited by 6 publications

(2 citation statements)

References 14 publications

(6 reference statements)

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“…RODS can use the multicast middleware to support the collection and monitoring of data needed for the assessment of disease outbreaks as well as the dissemination of critical information to a large number of health officials and other authorized personnel when outbreaks of diseases are detected [39] 2 . Interestingly, RODS has the functionality of a Subscription/Publisher server and exhibits all the requirements of a highly scalable Web server as described in the work of Almeroth et al [5].…”

Section: Motivating Application: Healthcare Alert Systemmentioning

confidence: 99%

Middleware support for multicast-based data dissemination: a working reality

Chrysanthis

Liberatore

Pruhs

Proceedings of the Eighth International Workshop on Object-Oriented Real-Time Dependable Systems, 2003. (WORDS 2003).

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Multicasting is an effective method to guarantee scalability of data transfer. Multicast applications range from the relief of Internet hot spots to healthcare alert systems. Much research has focused on isolated data management issues that arise in a multicast environment, including our previous work on caching, scheduling, indexing, hybrid schemes, and consistency maintenance. This paper discusses the integration of these research contributions and the transition to a working software distribution that provides the middleware support of a data management layer to applications. Our middleware is flexible, can be shared across applications, and operates on top of existing and upcoming implementations of multicast protocols. The middleware benefits distributed applications with a uniform, efficient, scalable, and state-of-the-art support for critical data management functionality.

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Section: Motivating Application: Healthcare Alert Systemmentioning

confidence: 99%

Middleware support for multicast-based data dissemination: a working reality

Chrysanthis

Liberatore

Pruhs

Proceedings of the Eighth International Workshop on Object-Oriented Real-Time Dependable Systems, 2003. (WORDS 2003).

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“…However, allowing multicast communication introduces many non-trivial data management problems such as caching, consistency, and scheduling. We have built a middleware (MSMDD) [8,13,2] which aims at integrating state-of-the-art data dissemination and multicast communication techniques into a software distribution. MSMDD provides a scalable multicast-based data management layer to applications.…”

Section: Introductionmentioning

confidence: 99%

Application-perceived multicast push performance

Zhang

Liberatore

18th International Parallel and Distributed Processing Symposium, 2004. Proceedings.

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Multicast is an effective and scalable solution to disseminate data in the Internet. Middleware support for multicast-based data dissemination (MSMDD) aims to integrate state-of-the-art data management methods and multicast communication techniques and provide a scalable multicast-based data management layer to applications. By using multicast in MSMDD, the server can disseminate hot documents effectively. To evaluate multicast performance, previous work often utilizes network-level metrics. In this paper, we employ application level criteria to analyze the multicast push performance in MSMDD. When packets are not lost on links, our result shows that the applicationperceived (or client-perceived) performance is independent of the delay from the server to clients; the multicast rate is a major factor for the performance; an end-to-end multicast system achieves almost the same application-perceived performance as IP multicast under the same multicast rates. However, IP multicast can tolerate much more packet losses than the end-to-end multicast system.

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Network awareness and application adaptability

Al-Hammouri

Zhang

Buchheit

et al. 2006

ISeB

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In this paper, we argue that pervasive applications need to be aware of and adaptive to network conditions. We begin with an overview of three software projects in which we are currently involved, and highlight network awareness and application adaptability as a common thread among them. We argue that these features stem from the fundamental architectural principles of the Internet. We generalize our experience and elaborate on the principles for developing network awareness and adaptable applications.

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An optimized multicast-based data dissemination middleware: a demonstration

Cited by 6 publications

References 14 publications

Middleware support for multicast-based data dissemination: a working reality

Middleware support for multicast-based data dissemination: a working reality

Application-perceived multicast push performance

Network awareness and application adaptability

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