IEC-61850 Performance Evaluation in a 5G Cellular Network: UDP and TCP Analysis
Iurii Demidov, Dick Carrillo Melgarejo, Antti Pinomaa, Liana Ault,, Jari Jolkkonen, and Kirsi Leppa

TL;DR
This study evaluates IEC-61850 communication protocols over 5G networks in a microgrid, finding TCP more suitable than UDP for most applications due to performance considerations.
Contribution
It provides an empirical performance analysis of IEC-61850 protocols over 5G, highlighting the suitability of TCP for microgrid communication.
Findings
TCP protocols perform well in 5G microgrid scenarios
UDP shows constraints with multiple access and SINR issues
TCP is more suitable than UDP for IEC-61850 in this context
Abstract
This chapter summarizes the results obtained from a test bed, which is composed of a microgrid and a wireless network, both relying on real and practical premises. This test bed aims to evaluate application protocols considered in the transport layer of the standard IEC-61850. The application is a data gathering system, where IEC-61850 messages are transmitted from and between different elements in a microgrid system, such as IED, publishers, and subscribers, which are node elements that are part of the utility grid. The standard IEC-61850 defines many protocols, such as SV, GOOSE, and MMS, each of them with a variety of requirements and sharing similar transport communication protocols, such as TCP and UDP. Hence, a testing framework is used in the test bed in order to evaluate the performance of these protocols aiming to enable the communication in a real microgrid deployment. The…
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