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ACM SIGCOMM Computer Communication Review
Flow processing and the rise of commodity network hardware
ACM SIGCOMM Computer Communication Review
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OSDI'10 Proceedings of the 9th USENIX conference on Operating systems design and implementation
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ACM SIGCOMM Computer Communication Review - Special october issue SIGCOMM '12
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Middleboxes are heavily used in the Internet to process the network traffic for a specific purpose. As there is no open standards, these proprietary boxes are expensive and difficult to upgrade. In this paper, we present a programmable platform for middleboxes called FlowOS to run on commodity hardware. It provides an elegant programming model for writing flow processing software, which hides the complexities of low-level packet processing, process synchronisation, and inter-process communication. We show that FlowOS itself does not add any significant overhead to flows by presenting some preliminary test results.