Quantitative measurement of link failure reaction time for devices with P4-programmable data planes

David Franco (), Marivi Higuero (), Eder Ollora Zaballa (), Juanjo Unzilla () and Eduardo Jacob ()
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David Franco: University of the Basque Country
Marivi Higuero: University of the Basque Country
Eder Ollora Zaballa: Technical University of Denmark
Juanjo Unzilla: University of the Basque Country
Eduardo Jacob: University of the Basque Country

Telecommunication Systems: Modelling, Analysis, Design and Management, 2024, vol. 85, issue 2, No 7, 277-288

Abstract: Abstract Quick handling of link failures remains a challenging issue in current communication networks, although it is crucial to many routing algorithms. Link failures are the leading cause of packet losses and delays, therefore, failure recovery is tied to stringent requirements for certain services, such as the sub-50 millisecond completion time for carrier-grade networks, which is sometimes difficult to achieve in traditional routing schemes. For this reason, fast recovery strategies are key pillars of modern communication networks. In this paper, we demonstrate the benefits of the devices with Programmable Data Planes (PDP) for fast reacting to link failures. We first review the link failure detection, reaction and recovery procedures and then we discuss the main fast failure recovery mechanisms employed by different types of devices in current communication networks. In addition, we present a novel method to measure the link failure reaction time of an Intel Tofino switch with PDP, as well as the results obtained when measuring such time using real hardware equipment. Our results show that such hardware devices provide a failure reaction time in the order of microseconds, with an average of 472.88 $$\upmu $$ μ s, which poses PDP as a key technology to achieve zero packet loss and zero delay failure recovery.

Keywords: Failure reaction time; Failure recovery; Programmable data plane; P4; Software-defined networking (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1007/s11235-023-01084-4

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