Networking

Balancing TCP Buffer Vs Parallel Streams in Application Level Throughput Optimization

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Executive Summary

The end-to-end performance of TCP over wide-area may be a major bottleneck for large-scale network-based applications. Two practical ways of increasing the TCP performance at the application layer is using multiple parallel streams and tuning the buffer size. Tuning the buffer size can lead to significant increase in the throughput of the application. However using multiple parallel streams generally gives better results than optimized buffer size with a single stream. Parallel streams tend to recover from failures quicker and are more likely to steal bandwidth from the other streams sharing the network.

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