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Life in the Fast Lane: A Line-Rate Linear Road

Type of publication Peer-reviewed
Publikationsform Proceedings (peer-reviewed)
Author Jepsen Theo, Moshref Masoud, Carzaniga Antonio, Foster Nate, Soule Robert,
Project Exploratory Visual Analytics for Interaction Graphs
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Proceedings (peer-reviewed)

Title of proceedings 2018 Symposium on SDN Research

Abstract

This paper explores the question: what abstractions are needed to support a more general form of stateful processing in programmable forwarding planes? It argues that we should look for clues from the domain of stream processing. As a case study, it describes an implementation of the Linear Road benchmark for stream processing systems written in P4. The artifact of our implementation, which runs on a programmable ASIC, provides a version of the benchmark that far exceeds the throughput of any prior work. More importantly, the experience provides perspective on the challenges for implementing stateful abstractions in P4.
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