Internet Real-Time (IRT)
Lab, Computer Science Department, Columbia University DotSlash

DotSlash - An Automated Web Hotspot Rescue System

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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:



Conference and Workshop Papers
Technical Reports


Related Work


This project is supported in part by the National Science Foundation (NSF) under Grant No. ANI-0117738.

Last updated by Weibin Zhao