BPFabric: Data Plane Programmability for Software Defined Networks

Jouet, S. and Pezaros, D. P. (2017) BPFabric: Data Plane Programmability for Software Defined Networks. In: ACM/IEEE Symposium on Architectures for Networking and Communications Systems (ANCS 2017), Beijing, China, 18-19 May 2017, pp. 38-48. ISBN 9781509063864 (doi:10.1109/ANCS.2017.14)

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Abstract

In its current form, OpenFlow, the de facto implementation of SDN, separates the network’s control and data planes allowing a central controller to alter the matchaction pipeline using a limited set of fields and actions. To support new protocols, forwarding logic, telemetry, monitoring or even middlebox-like functions the currently available programmability in SDN is insufficient. In this paper, we introduce BPFabric, a platform, protocol, and language-independent architecture to centrally program and monitor the data plane. BPFabric leverages eBPF, a platform and protocol independent instruction set to define the packet processing and forwarding functionality of the data plane. We introduce a control plane API that allows data plane functions to be deployed onthe-fly, reporting events of interest and exposing network internal state. We present a raw socket and DPDK implementation of the design, the former for large-scale experimentation using environment such as Mininet and the latter for high-performance low-latency deployments. We show through examples that functions unrealisable in OpenFlow can leverage this flexibility while achieving similar or better performance to today’s static design.

Item Type:Conference Proceedings
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Jouet, Mr Simon and Pezaros, Dr Dimitrios
Authors: Jouet, S., and Pezaros, D. P.
College/School:College of Science and Engineering > School of Computing Science
ISBN:9781509063864
Copyright Holders:Copyright © 2017 ACM
First Published:First published in ANCS '17 Proceedings of the Symposium on Architectures for Networking and Communications Systems: 38-48
Publisher Policy:Reproduced in accordance with the copyright policy of the publisher
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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
643481A Situation-aware information infrastructureDimitrios PezarosEngineering and Physical Sciences Research Council (EPSRC)EP/L026015/1COM - COMPUTING SCIENCE
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608831IMC2: Instrumentation, Measurement and Control for the CloudDimitrios PezarosEngineering and Physical Sciences Research Council (EPSRC)EP/L005255/1COM - COMPUTING SCIENCE