In Forrester's 40-criterion evaluation of function-as-a-service (FaaS) platforms, we identified the nine most significant ones — Alibaba, Amazon, Google, Huawei, IBM, Microsoft, Nimbella, Oracle, and Tencent — and researched, analyzed, and scored them. This report shows how each provider measures up and helps application development and delivery (AD&D) professionals select the right one for their needs.