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CORECONF, NETCONF, and RESTCONF: Benchmarking Network Orchestration in Constrained IIoT devices
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  • Mahesh Ganesh Bhat ,
  • Sushmit Bhattacharjee ,
  • Cenk Gündoğan ,
  • Konstantinos Alexandris ,
  • Alexander Gogolev
Mahesh Ganesh Bhat
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Sushmit Bhattacharjee
Huawei Technologies Duesseldorf GmbH

Corresponding Author:[email protected]

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Cenk Gündoğan
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Konstantinos Alexandris
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Alexander Gogolev
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Abstract

Industry 4.0 promises to unlock the new capabilities for Industrial Internet of Things (IIoT) by transforming a rigid hierarchical automation pyramid into a flatter networked system. IEEE TSN, chosen as one of the Industry 4.0 pillars on the network level, offers mechanisms for deterministic data exchange and high reliability for such systems. Yet, to ensure a flexible and reliable service, a flat networked system requires a more sophisticated orchestration. Consecutively, such orchestration requires certain memory and CPU capacity from the IIoT devices, and the state-of-the art discusses the three candidate protocols, namely: NETCONF, RESTCONF, and CORECONF. This paper analyzes these protocols with a focus on resource-constrained IIoT devices. To compare the parameters a prototype implementation of CORECONF is developed, and extensively benchmarked against other protocols. Results suggest that CORECONF could be the best candidate in terms of time, power, and memory characteristics.