Proxy-based acceleration of dynamically generated content on the world wide web

Datta, Anindya; Dutta, Kaushik; Thomas, Helen; VanderMeer, Debra; Suresha, .; Ramamritham, Krithi

doi:10.1145/564691.564703

Cited by 62 publications

(26 citation statements)

References 7 publications

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“…There have been many publications in web caching that are closely related to our work [11,29,39]. All of these studies did not consider database queries.…”

Section: Related Workmentioning

confidence: 98%

Form-based proxy caching for database-backed web sites: keywords and functions

2006

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Web caching proxy servers are essential for improving web performance and scalability, and recent research has focused on making proxy caching work for database-backed web sites. In this paper, we explore a new proxy caching framework that exploits the query semantics of HTML forms. We identify two common classes of form-based queries from real-world database-backed web sites, namely, keyword-based queries and function-embedded queries. Using typical examples of these queries, we study two representative caching schemes within our framework: (i) traditional passive query caching, and (ii) active query caching, in which the proxy cache can service a request by evaluating a query over the contents of the cache. Results from our experimental implementation show that our form-based proxy is a general and flexible approach that efficiently enables active caching schemes for database-backed web sites. Furthermore, handling query containment at the proxy yields significant performance advantages over passive query caching, but extending the power of the active cache to do full semantic caching appears to be less generally effective.

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“…There have been many publications in web caching that are closely related to our work [11,29,39]. All of these studies did not consider database queries.…”

Section: Related Workmentioning

confidence: 98%

Form-based proxy caching for database-backed web sites: keywords and functions

2006

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“…However, traditional means of optimizing dynamic Web content generation and delivery are not well suited to the nature of unstable wireless connectivity. When a wireless client loses connection (either voluntarily or involuntarily) or roams into an area with weak connectivity, common optimization techniques, including static page prefetching [3], dynamic content caching [6] [18], and content adaptation [5][28] [22] as well as application offloading, will fail to maintain effective interactive operations (e.g., querying account information, filling survey forms, checking product inventory) as they do not eliminate the need to go through the wireless connection for dynamically generated content.…”

Section: Introductionmentioning

confidence: 99%

Flexible on-device service object replication with replets

Zhou¹,

Islam²,

Abdullah³

2004

Proceedings of the 13th International Conference on World Wide Web

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An increasingly large amount of such applications employ service objects such as Servlets to generate dynamic and personalized content. Existing caching infrastructures are not well suited for caching such content in mobile environments because of disconnection and weak connection. One possible approach to this problem is to replicate Web-related application logic to client devices. The challenges to this approach are to deal with client devices that exhibit huge divergence in resource availabilities, to support applications that have different data sharing and coherency requirements, and to accommodate the same application under different deployment environments.The Replet system targets these challenges. It uses client, server and application capability and preference information (CPI) to direct the replication of service objects to client devices: from the selection of a device for replication and populating the device with client-specific data, to choosing an appropriate replica to serve a given request and maintaining the desired state consistency among replicas. The Replet system exploits on-device replication to enable client-, server-and application-specific cost metrics for replica invocation and synchronization. We have implemented a prototype in the context of Servlet-based Web applications. Our experiment and simulation results demonstrate the viability and significant benefits of CPI-driven on-device service object replication.

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“…Proxy caching and content replication can reduce the latency to retrieve Web pages at the expense of very complex consistency and update management policies. These issues have been largely addressed in the literature and various caching and replication schemes have been proposed (see e.g., [3][4][5][6][7][8][9]). …”

Section: Introductionmentioning

confidence: 99%

Modeling Dynamic Web Content

Barili

Calzarossa

Tessera

2004

Lecture Notes in Computer Science

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Abstract. Web sites have become increasingly complex and offer a large variety of services and contents. The proliferation of dynamic Web contents opens up new challenging performance and scalability issues. This paper addresses the characterization of dynamic Web contents by studying their update process. We identify parameters and metrics that describe the properties of Web pages and we derive an analytical model that captures their behavior. The model is then validated against simulation experiments.

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Proxy-based acceleration of dynamically generated content on the world wide web

Cited by 62 publications

References 7 publications

Form-based proxy caching for database-backed web sites: keywords and functions

Form-based proxy caching for database-backed web sites: keywords and functions

Flexible on-device service object replication with replets

Modeling Dynamic Web Content

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