Method for processing signaling protocol data packets in a communication network

By processing signaling protocol PCAP data using a large language model (LLM) and a hierarchical identity selection algorithm, abnormal request/response pairs are identified and analyzed. This solves the problem of signaling protocol data packet identification and fault diagnosis in the prior art, and achieves efficient and accurate fault cause analysis.

CN122162353APending Publication Date: 2026-06-05HONG KONG APPLIED SCI & TECH RES INST
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
HONG KONG APPLIED SCI & TECH RES INST
Filing Date
2026-01-26
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

Existing technologies struggle to efficiently identify and analyze signaling protocol data packets in communication networks, especially in automatically identifying abnormal messages and fault causes within complex and ever-changing PCAP data, leading to difficulties in fault diagnosis.

Method used

By combining a large language model (LLM) with a hierarchical identity selection algorithm, key fields of the signaling protocol PCAP data are extracted, a summary and a complete PCAP file are generated, abnormal request/response pairs are identified, and the deep thinking capabilities of LLM are used for root cause analysis.

Benefits of technology

It enables automatic identification of abnormal message pairs from millions of PCAP (Programmable Message Protocol) messages, simplifies the fault diagnosis process, improves the accuracy and efficiency of fault cause analysis, and reduces the complexity of analysis.

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Abstract

A method of processing signaling protocol packets in a communication network is disclosed. The method includes extracting packets from the communication network as packet capture (PCAP) packets. For each message of the PCAP packets, processing is performed based on one or more selected but not all signaling session fields to identify an abnormal message. Processing is performed on the abnormal message to perform any one or more of the following: root cause analysis of an anomaly in the communication network; analysis of behavior of the communication network; troubleshooting of a problem in the communication network.
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