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Using P4 to enable scalable intents in software defined networks

Lewis, Benjamin; Fawcett, Lyndon; Broadbent, Matthew; Race, Nicholas

Authors

Benjamin Lewis

Lyndon Fawcett

Matthew Broadbent

Nicholas Race



Abstract

When designing Software Defined Networks (SDNs), there is a risk that the additional abstractions available can result in reduced scalability and performance. One such abstraction, intents, are a way in which network administrators can express policies rather than having to define specific forwarding rules. This provides a benefit to administrators in allowing automatic network reconfiguration and fault tolerance. In this paper, we highlight the performance overheads associated with the intents framework from a popular SDN controller, ONOS. We propose a novel prototype that leverages source-based routing and programmable data planes using P4 in order to reduce the overheads of intent-based forwarding.

Presentation Conference Type Conference Paper (Published)
Conference Name 2018 IEEE 26th International Conference on Network Protocols (ICNP)
Start Date Sep 25, 2018
End Date Sep 27, 2018
Online Publication Date Nov 8, 2018
Publication Date 2018
Deposit Date Mar 9, 2022
Publisher Institute of Electrical and Electronics Engineers
Pages 442-443
Series ISSN 1092-1648
Book Title 2018 IEEE 26th International Conference on Network Protocols (ICNP)
DOI https://doi.org/10.1109/ICNP.2018.00064
Keywords ONOS, OpenFlow, Intents, SDN, p4lang
Public URL http://researchrepository.napier.ac.uk/Output/2844035