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Summary cache: a scalable wide-area Web cache sharing protocol
Abstract
The sharing of caches among Web proxies is an important technique to reduce Web traffic and alleviate network bottlenecks. Nevertheless it is not widely deployed due to the overhead of existing protocols. In this paper we propose a new protocol called "Summary Cache"; each proxy keeps a summary of the URLs of cached documents of each participating proxy and checks these summaries for potential hits before sending any queries. Two factors contribute to the low overhead: the summaries are updated only periodically, and the summary representations are economical --- as low as 8 bits per entry. Using trace-driven simulations and a prototype implementation, we show that compared to the existing Internet Cache Protocol (ICP), Summary Cache reduces the number of inter-cache messages by a factor of 25 to 60, reduces the bandwidth consumption by over 50%, and eliminates between 30% to 95% of the CPU overhead, while at the same time maintaining almost the same hit ratio as ICP. Hence Summary Cache enables cache sharing among a large number of proxies.
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Cites
Handbook of applied cryptography
(1997) · Choice Reviews Online · doi:10.5860/choice.34-4512 · Cited by 10,357
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Secure Federated Submodel Learning
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Metadata
- Authors
- Fan, L., Cao, P., Almeida, J., & Broder, A. Z.
- Venue
- Proceedings of the ACM SIGCOMM '98 conference on Applications, technologies, architectures, and protocols for computer communication
- Publisher
- ACM
- Published
- 1998-10
- Pages
- 254-265
- OpenAlex
- W2157740020
- Cited by
- 422
- References
- 1
- FWCI
- 23.29
- Type
- conference paper
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Summary cache: a scalable wide-area Web cache sharing protocol. https://app.cochat.ai/papers/10.1145/285237.285287
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- Fan, L., Cao, P., Almeida, J., & Broder, A. Z. (1998). Summary cache: a scalable wide-area Web cache sharing protocol. Proceedings of the ACM SIGCOMM '98 conference on Applications, technologies, architectures, and protocols for computer communication. https://doi.org/10.1145/285237.285287
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
