Author

Justin Hsu

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Preprint Sep 2026

SafePar: Monitoring Asynchrony in Microservices

Modern cloud applications are built from loosely-coupled microservices that coordinate through well-defined APIs to service user requests. A single API request often triggers multiple downstream API calls, some executed sequentially and others spawned asynchronously in parallel. To certify safe and secure inter-service...

Karuna Grewal, P. B. Godfrey, Justin Hsu et al. · 0 citations

Preprint Sep 2026

SafeNom: Data-Aware Microservice Policies

Many cloud-based applications are organized as loosely coupled microservices, where invoking a service's API triggers a cascade of APIs across many services and leads to inter-service exchange of API parameters and output responses. Current tools for monitoring microservice safety properties have limited expressiveness...

Karuna Grewal, P. B. Godfrey, Justin Hsu · 0 citations