Implementation of OpenAPI Wireshark Dissectors to Validate SBI Messages of 5G Core Networks
Lukas Schauer, Thorsten Horstmann, Steffen Druesedow, Michael, Rademacher
TL;DR
This paper presents a Wireshark dissector that automatically parses OpenAPI specifications to analyze and validate SBI messages in 5G Core Networks, improving protocol compliance and network reliability.
Contribution
The paper introduces a novel method for automatically generating Wireshark dissectors from OpenAPI schemes for 5G SBI message analysis.
Findings
Identified deviations from standards in open-source 5G projects
Validated the dissector’s effectiveness in real network traces
Enhanced protocol compliance verification
Abstract
This paper introduces a novel Wireshark dissector designed to facilitate the analysis of Service-Based Interface (SBI) communication in 5G Core Networks. Our approach involves parsing the OpenAPI schemes provided by the 5G specification to automatically generate the dissector code. Our tool enables the validation of 5G Core Network traces to ensure compliance with the specifications. Through testing against three open-source 5G Core Network projects, we identified several issues where messages deviate from specification standards, highlighting the significance of our implementation in ensuring protocol conformity and network reliability.
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Taxonomy
TopicsAdvanced MIMO Systems Optimization · Software-Defined Networks and 5G