Enabling dynamic content caching for database-driven web sites

Candan, K. Selçuk; Li, Wen-Syan; Luo, Qiong; Hsiung, Wang-Pin; Agrawal, Divyakant

doi:10.1145/375663.375736

Cited by 87 publications

(25 citation statements)

References 7 publications

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“…Beck et al (2001) discussed the issues of replicating dynamic content due to platform heterogeneity and proposed using a portable channel representation. Candan et al (2001) addressed the problem of making changes in database content reflected to cached dynamically generated web pages by intelligently invalidating dynamic content in caches based on the state changes in the database.…”

Section: Related Workmentioning

confidence: 99%

Design, Implementation and Evaluation of a Real-Time Active Content Distribution Service

2005

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The phenomenal growth of the world-wide web has made it the most popular Internet application today. Web caching and content distribution services have been recognized as valuable techniques to mitigate the explosion of web traffic. An increasing fraction of web traffic today is dynamically generated and therefore intrinsically difficult to replicate or cache using present static approaches. Scalable delivery of such active content poses a myriad of challenges, including content replication, update propagation, and consistency management. This paper makes two contributions: it (1) describes a scalable architecture for transparent demand-driven distribution of active content; and (2) presents a system that can provide real-time delay guarantees on content access. Our approach involves migrating the scripts which generate dynamic web traffic, and their data, from the origin servers to active content distribution proxies nearest to the clients. We also present mechanisms on these proxies to enforce real-time delay guarantees for client requests. Our system is implemented and deployed on PlanetLab (2004), a real-world distributed Internet testbed. Experimental data show that significant improvements are observed in effective throughput and client response time, and that delay bounds on content access can be guaranteed with a very high probability.

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Section: Related Workmentioning

confidence: 99%

Design, Implementation and Evaluation of a Real-Time Active Content Distribution Service

2005

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“…In this approach, the proxy caches full page outputs of dynamic sites. This approach has been considered in the literature (e.g., Challenger et al [1999] and Candan et al [2001] propose page-level caching techniques). A number of commercially available solutions are based on this approach.…”

Section: Proxy-based Caching Approachesmentioning

confidence: 99%

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

Datta¹,

Dutta

Thomas

et al. 2004

ACM Trans. Database Syst.

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As Internet traffic continues to grow and websites become increasingly complex, performance and scalability are major issues for websites. Websites are increasingly relying on dynamic content generation applications to provide website visitors with dynamic, interactive, and personalized experiences. However, dynamic content generation comes at a cost-each request requires computation as well as communication across multiple components.To address these issues, various dynamic content caching approaches have been proposed. Proxy-based caching approaches store content at various locations outside the site infrastructure and can improve website performance by reducing content generation delays, firewall processing delays, and bandwidth requirements. However, existing proxy-based caching approaches either (a) cache at the page level, which does not guarantee that correct pages are served and provides very limited reusability, or (b) cache at the fragment level, which is associated with several designlevel and runtime scalability issues. To address these issues, several back-end caching approaches have been proposed, including query result caching and fragment level caching. While back-end

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“…DUP uses a graph to maintain data dependence information between cached objects and the underlying data which affect their values. Some techniques for intelligently invalidating dynamically generated web-pages in the server side cache of database-driven web sites are proposed in [12].…”

Section: Caching In the World Wide Webmentioning

confidence: 99%

A server side caching scheme for CORBA

Kumar

Jalote²,

Gupta³

2004

24th International Conference on Distributed Computing Systems, 2004. Proceedings.

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We propose a caching scheme for saving the results of invocations of read methods at server side. Server side caching helps in reducing load on frequently accessed servers when computing the result is relatively costly. Our model provides strong consistency by using a dependency graph that specifies dependence information among method invocations of an object. We have implemented this scheme as a service in CORBA.

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Enabling dynamic content caching for database-driven web sites

Cited by 87 publications

References 7 publications

Design, Implementation and Evaluation of a Real-Time Active Content Distribution Service

Design, Implementation and Evaluation of a Real-Time Active Content Distribution Service

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

A server side caching scheme for CORBA

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