Dong-il Cho, Journal of Internet Computing and Services, Vol. 25, No. 4, pp. 39-46, Aug. 2024
10.7472/jksii.2024.25.4.39, Full Text:
Keywords: API Gateway, GraalVM, Virtual Thread, reactive, Microservice Architecture, Cloud computing

Abstract

An API gateway is a high-availability component that provides a single entry point for API clients outside the cloud to connect with services inside the cloud. It has a high risk of creating bottlenecks and requires redeployment when services change. The Java language, in which several API gateways are implemented, announced technologies called GraalVM Native Image and Virtual Thread to overcome problems with deployment and operational performance. Applying these technologies to Java applications requires changes to the source code and deployment procedures. In this study, the performance of the API gateway was measured and analyzed when it operated based on GraalVM Native Image and Java Virtual Machine(JVM) and between Virtual Thread and Reactive thread processing methods. In this study, evaluation indicators were selected to evaluate deployment performance and operational performance, and the performance of the evaluation indicators was measured and evaluated in four environments.

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