使用虚拟化可重构硬件扩展OpenFlow功能

Proceedings of the 2015 ACM/SIGDA International Symposium on Field-Programmable Gate Arrays Pub Date : 2015-02-22 DOI:10.1145/2684746.2689086

Stuart Byma, Naif Tarafdar, T. Xu, H. Bannazadeh, A. Leon-Garcia, P. Chow

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引用次数: 11

摘要

我们提出了一种使用基于云的虚拟化可重构硬件来增强OpenFlow软件定义网络功能的新方法。OpenFlow是一种功能强大且流行的SDN实现，但是当用户需要新的或不支持的数据包处理时，OpenFlow控制器中的软件处理无法提供千兆位速率。我们的方法看到数据包流通过虚拟硬件重定向，使用定制设计的数据包处理引擎，可以为OpenFlow网络添加新功能，同时保留线速率处理。一个案例研究表明，这可以在几乎没有吞吐量损失和最小延迟开销的情况下实现。

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Expanding OpenFlow Capabilities with Virtualized Reconfigurable Hardware

We present a novel method of using cloud-based virtualized reconfigurable hardware to enhance the functionality of OpenFlow Software-Defined Networks. OpenFlow is a capable and popular SDN implementation, but when users require new or unsupported packet-processing, software processing in the OpenFlow controller cannot provide multi-gigabit rates. Our method sees packet flows redirected through virtualized hardware with custom-designed packet-processing engines that can add new capabilities to an OpenFlow network, while retaining line-rate processing. A case study shows this can be achieved with virtually no loss in throughput and minimal latency overheads.

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Proceedings of the 2015 ACM/SIGDA International Symposium on Field-Programmable Gate Arrays

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