The way developers write their application to interact with other services and data stores Programming Models dapr: Distributed Application Runtime Building blocks for building scalable distributed asked to develop resilient, scalable, microservice-based apps Functions and Actors are powerful programming models They write in many languages They want to leverage existing code What is holding back migrating existing code Microservice Building Blocks Developer first, standard APIs used from any programming language or framework Sidecar Architecture Sidecar architecture Standard APIs accessed over http/gRPC

The way developers write their application to interact with other services and data stores Programming models Distributed Application Runtime (Dapr) Open Application Model (OAM) https://oam.dev development? Hard to incrementally migrate from existing code to a microservices architecture Programming model runtimes have narrow language support and tightly controlled feature sets Runtimes