TransPAC RepliCache: A Web Cache Meta Network Web caching has been successful in improving the Internet performance by reducing wide area network traffic and spreading server loads. Web caching is a technology for migrating copies of documents from a server toward a closer point to user location. It can reduce the retrieval latency and save the bandwidth by avoiding repetitive transmission of the same data over the Internet. The introduction of high-speed access networks is providing the potential for increasing probability for the distribution of large data, thus expanding data diversity over the Internet. Many studies on the web workload have shown that object size follows heavy tailed distribution. RepliCache is an enhanced web caching architecture to support application-level quality of service (QoS) in the presence of high degree of variation in object size. It provides efficient methods for caching and delivering data by their characteristics while retaining user level transparency. It is also designed to ensure compatibility with existing networking standards, applications and system software. RepliCache will be located at GigaPoPs, and will serve large-bandwidth data (e.g., multimedia data) to users or collaborating caches. Contact Jaeyeon Jung Korea Advanced Institute of Science and Technology (KAIST) Korea jjung@cosmos.kaist.ac.kr Kilnam Chon Korea Advanced Institute of Science and Technology (KAIST) Korea chon@cosmos.kaist.ac.kr Masaaki Nabeshim NTT Laboratories Japan nabe@slab.ntt.co.jp Collaborators NTT, Keio University, Nihon University Japan KAIST Korea NLANR USA citeseer.nj.nec.com/jung99replicache.html
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