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DotSlash - An Automated Web Hotspot Rescue System
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Mirrored Sites:
| Columbia University
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Sourceforge.net
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The DotSlash project aims to develop
effective overload protection mechanisms for busy web servers.
Highly bursty web requests may overwhelm a web site and seriously
degrade its service quality. This well identified problem is often
referred to as
Slashdot effect
([1],
[2],
[3],
[4],
[5],
[6]),
flash crowds, or web hotspots. Researchers are actively seeking
solutions to relieve this problem, such as reinforcing server and
network infrastructure, deploying caches at various places between
clients and servers, employing commercial
Content Delivery Networks (CDNs),
reducing content complexity in heavy load conditions, performing
adaptive admission controls, and replicating contents and
redirecting client requests. In DotSlash,
we focus on four techniques for supporting web hotspot rescue:
- Detecting and predicting overload conditions in real time.
- Discovering rescue servers in wide area networks.
- Managing rescue relationships.
- Designing and evaluating efficient mechanisms for replicating
contents dynamically and redirecting client requests in wide area networks.
Conference and Workshop Papers
- Weibin Zhao and Henning Schulzrinne,
"Enabling On-demand Query Result Caching in DotSlash for Handling Web Hotspots Effectively"
[PDF],
in IEEE Workshop on Hot Topics in Web Systems and Technologies
(HotWeb'06), Boston, Massachusetts, November 2006.
- Weibin Zhao and Henning Schulzrinne,
"DotSlash: An Automated Web Hotspot Rescue System with On-demand Query Result Caching"
[PDF],
in IEEE International Conference on Autonomic Computing
(ICAC'06) (poster session), Dublin, Ireland, June 2006.
- Weibin Zhao and Henning Schulzrinne, "DotSlash: Handling Web Hotspots
at Dynamic Content Web Sites"
[PDF],
in IEEE Global Internet Symposium, Miami, Florida, March 2005.
- Weibin Zhao and Henning Schulzrinne, "DotSlash: A Self-configuring and
Scalable Rescue System for Handling Web Hotspots Effectively"
[PDF],
in International Workshop on Web Caching and Content
Distribution (WCW'04), Beijing, China, October 2004.
- Weibin Zhao and Henning Schulzrinne, "Building an Adaptive Distributed
Web Server System on the Fly for Handling Web Hotspots"
[PS]
[PDF],
in ACM Symposium on Principles of Distributed Computing (PODC'04)
(brief announcement), St. John's, Newfoundland, Canada, July 2004.
- Weibin Zhao and Henning Schulzrinne, "Predicting the Upper Bound of
Web Traffic Volume Using a Multiple Time Scale Approach"
[HTML]
[PDF], in
International World Wide Web Conference (WWW'03) (poster session),
Budapest, Hungary, May 2003.
Technical Reports
- Weibin Zhao and Henning Schulzrinne,
"DotSlash: Providing Dynamic Scalability to Web Applications with On-demand Distributed Query Result Caching"
Columbia Technical Report CUCS-035-05, September 2005.
- Weibin Zhao and Henning Schulzrinne,
"DotSlash: A Scalable and Efficient Rescue System for Handling Web Hotspots"
[PS.GZ],
Columbia Technical Report
CUCS-007-04, February 2004.
Download
This project is supported in part by the
National Science Foundation (NSF)
under Grant No. ANI-0117738.
updated on 3/1/2006