Enabling Fast Failure Recovery in OpenFlow networks using RouteFlow

Sharma, Sachin; Colle, Didier; Pickavet, Mario

doi:10.1109/lanman49260.2020.9153270

Cited by 5 publications

(1 citation statement)

References 14 publications

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“…This protocol works to handle multiple simultaneous failures in a short time. Sharma et al [31] resolved this problem by disabling the VM interface contingently, corresponding to the OpenFlow switch, when a port failure notification was received at the controller. Afterward, the controller computes a new failure-free route for communication among VMs.…”

Section: Related Workmentioning

confidence: 99%

Reliability Aware Multiple Path Installation in Software-Defined Networking

et al. 2021

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Link failures frequently occur in communication networks, which negatively impacts network services delivery. Compared to traditional distributed networks, Software-Defined Networking (SDN) provides numerous benefits for link robustness to avoid services unavailability. To cope with link failures, the existing SDN approaches compute multiple paths and install corresponding flow rules at network switches without considering the reliability value of the primary computed path. This increases computation time, traffic overhead and end-to-end packets delay. This paper proposes a new approach called Reliability Aware Multiple Path Flow Rule (RAF) that calculates links reliability and installs minimum flow rules for multiple paths based on the reliability value of the primary path. RAF has been simulated, evaluated and compared with the existing approaches. The simulation results show that RAF performs better than the existing approaches in terms of computation overhead at the controller and reduces end-to-end packet delay and traffic overhead for flow rules installation.

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Section: Related Workmentioning

confidence: 99%

Reliability Aware Multiple Path Installation in Software-Defined Networking

et al. 2021

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

Franco,

Higuero,

Zaballa

et al. 2023

Telecommun Syst

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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.

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