Well-Architected Frameworks for Cloud Service Providers (CSP)

 CSPs now have created thought leadership for architecting cloud-based workloads:

Amazon (AWS): https://docs.aws.amazon.com/wellarchitected/latest/framework/wellarchitected-framework.pdf

Microsoft Azure: https://azure.microsoft.com/en-us/blog/introducing-the-microsoft-azure-wellarchitected-framework/

Google (GCP): https://cloud.google.com/architecture/framework

Oracle (OCI): https://www.oracle.com/cloud/architecture-center.html