Using predictive prefetching to improve World Wide Web latency
ACM SIGCOMM Computer Communication Review
Determining WWW User's Next Access and Its Application to Pre-fetching
ISCC '97 Proceedings of the 2nd IEEE Symposium on Computers and Communications (ISCC '97)
Web Performance Modeling Issues
International Journal of High Performance Computing Applications
Web Page Prediction Based on Conditional Random Fields
Proceedings of the 2008 conference on ECAI 2008: 18th European Conference on Artificial Intelligence
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The HTTP protocol, as currently used in the World Wide Web, uses a separate TCP connection for each file requested. This adds significant and unnecessary overhead, especially in the number of network round trips required. We analyze the costs of this approach and propose simple modifications to HTTP that, while interoperating with unmodified implementations, avoid the unnecessary network costs. We have implemented our modifications, and our measurements show that they dramatically reduce latencies. We have also investigated the effectiveness of a scheme to mask network latency by prefetching files likely to be requested next, while the user is browsing through the currently displayed page. Our results indicate a significant benefit from prefetching at the cost of an increase in network traffic.