https://www.theregister.co.uk/2018/11/05/kubernetes_service_fabric_microsoft_azure/

Interview A curious feature of Microsoft's cloud platform is that it has two fundamentally different platforms for microservices. One is based on the homegrown Service Fabric, while the other is orchestrated by the Google-originated Kubernetes, available on Azure through the Azure Kubernetes Service (AKS). Both are open source.

How should developers choose, The Reg asked Jason Zander, the executive veep in charge of Azure, when we spoke to him after his keynote at Microsoft's Future Decoded in London.