Characteristics of network traffic flow anomalies
IMW '01 Proceedings of the 1st ACM SIGCOMM Workshop on Internet Measurement
Flash crowds and denial of service attacks: characterization and implications for CDNs and web sites
Proceedings of the 11th international conference on World Wide Web
Controlling high bandwidth aggregates in the network
ACM SIGCOMM Computer Communication Review
Peer-to-Peer Caching Schemes to Address Flash Crowds
IPTPS '01 Revised Papers from the First International Workshop on Peer-to-Peer Systems
The Case for Cooperative Networking
IPTPS '01 Revised Papers from the First International Workshop on Peer-to-Peer Systems
The effectiveness of request redirection on CDN robustness
ACM SIGOPS Operating Systems Review - OSDI '02: Proceedings of the 5th symposium on Operating systems design and implementation
Edgecomputing: extending enterprise applications to the edge of the internet
Proceedings of the 13th international World Wide Web conference on Alternate track papers & posters
Democratizing content publication with coral
NSDI'04 Proceedings of the 1st conference on Symposium on Networked Systems Design and Implementation - Volume 1
A hierarchical internet object cache
ATEC '96 Proceedings of the 1996 annual conference on USENIX Annual Technical Conference
Demand-aware content distribution on the internet
IEEE/ACM Transactions on Networking (TON)
The Akamai network: a platform for high-performance internet applications
ACM SIGOPS Operating Systems Review
Experiences with CoralCDN: a five-year operational view
NSDI'10 Proceedings of the 7th USENIX conference on Networked systems design and implementation
Proceedings of the 20th international conference on World wide web
Reducing server and network load with shared buffering
Proceedings of the 2012 ACM workshop on Capacity sharing
Proceedings of the Twenty-Fourth ACM Symposium on Operating Systems Principles
ACM SIGOPS 24th Symposium on Operating Systems Principles
An analysis of Facebook photo caching
Proceedings of the Twenty-Fourth ACM Symposium on Operating Systems Principles
Towards minimalistic, virtualized content caches with minicache
Proceedings of the 2013 workshop on Hot topics in middleboxes and network function virtualization
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Handling flash crowds poses a difficult task for web services. Content distribution networks (CDNs), hierarchical web caches, and peer-to-peer networks have all been proposed as mechanisms for mitigating the effects of these sudden spikes in traffic to under-provisioned origin sites. Other than a few anecdotal examples of isolated events to a single server, however, no large-scale analysis of flash-crowd behavior has been published to date. In this paper, we characterize and quantify the behavior of thousands of flash crowds on CoralCDN, an open content distribution network running at several hundred POPs. Our analysis considers over four years of CDN traffic, comprising more than 33 billion HTTP requests. We draw conclusions in several areas, including (i) the potential benefits of cooperative vs. independent caching by CDN nodes, (ii) the efficacy of elastic redirection and resource provisioning, and (iii) the ecosystem of portals, aggregators, and social networks that drive traffic to third-party websites.