Summary Cache: A Scalable Wide-Area Web Cache Sharing Protocol
Why Web Caching
Why Cache Sharing?
Cache Sharing via ICP
Overhead of ICP
Alternatives to ICP
Summary Cache
Errors Tolerated
Effect of Delay in Directory Updates
Compressing the Directories
The Problem
Bloom Filters
Bloom Filters: the Math
Bloom Filters: the Practice
Result: Inter-Proxy Traffic
Result: Total Hit Ratio
Enhancing ICP with Summary Cache
Conclusions
Email: cao@cs.wisc.edu
Home Page: http://www.cs.wisc.edu/~cao