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Freeway: an order-less user-space framework for non-real-time applications

Published:23 May 2020Publication History

ABSTRACT

The demand for high network capacity has been rapidly increasing, such as inter-DC WANs. But the transport over the network with high bandwidth and delay cannot fully utilize the bandwidth because of the inevitable packet loss and the flow control bottleneck caused by the out-of-order data blocked in the receive buffer. We further found that a lot of applications over inter-DC WANs are non-real-time, which are insensitive to data arriving sequence. Thus, we design and implement Freeway, a user-space bulk-data network transfer framework, to improve the bandwidth of these non-real-time applications over inter-DC WANs. Experimental results show that Freeway achieves 100% more bandwidth utilization than Linux TCP stack, and significantly reduces memory cost.

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      • Published in

        cover image ACM Conferences
        CF '20: Proceedings of the 17th ACM International Conference on Computing Frontiers
        May 2020
        298 pages
        ISBN:9781450379564
        DOI:10.1145/3387902

        Copyright © 2020 Owner/Author

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        • Published: 23 May 2020

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