Monitoring the traffic between the microservices of a 5G network service is of great interest, as the network service can only provide its functionality in most cases if several microservices are involved. In addition to ensuring that the state of the exchanges is good, tracking the exchanges between these microservices allows to retrieve global information on the state of the system. Several solutions in the open source ecosystem allow to track exchanges in microservices architectures. These solutions are generally based on service mesh technology and are more focused on handling exchanges based on protocols widely used in the IT world such as HTTP/1.1, HTTP/2 and gRPC. The use of such a model based on the injection of proxies that will coexist with the network service components will generate an overhead in the latency of the exchanges. The question is how to monitor the exchanges between the components of a 5G network service that are based on protocols widely used in IT such as HTTP/2 but also telco specific protocols such as NGAP, PFCP and NGAP without changing their source code and with a minimum overhead?
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