Appendix A
Directory: API Hubs
When building a Serverless application, the architectural choice that will drive the most benefits is choosing a managed service as an API Hub. To some extent, the API Hub is the Serverless realization of what Platforms-as-a-Service (PaaS) and Backends-as-a-Service (BaaS) previously implemented in a less effective way, but they drive significantly different application architectures and better efficiencies. This appendix explains what an API Hub is and provides several options for API Hub choices for modern Serverless applications.
What Is an API Hub?
An API Hub is a managed service that handles traffic from front-end applications (such as mobile apps and single-page web applications) calling key application functionality, ...
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