Wide-Area Network Acceleration for the Developing World

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Executive Summary

Wide-Area Network (WAN) accelerators operate by compressing redundant network traffic from point-to-point communications, enabling higher effective bandwidth. Unfortunately, while network bandwidth is scarce and expensive in the developing world, current WAN accelerators are designed for enterprise use, and are a poor fit in these environments. Authors of this paper present Wanax, a WAN accelerator designed for developing-world deployments. It uses a novel multi-resolution chunking (MRC) scheme that provides high compression rates and high disk performance for a variety of content, while using much less memory than existing approaches. Wanax exploits the design of MRC to perform intelligent load shedding to maximize throughput when running on resource-limited shared platforms.

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