Before reviewing why Oracle built a managed PaaS on top of Fabric instead of just providing an Iaas, let's first examine the components of Fabric in more detail and what role each component fulfills.
The following diagram shows the components of a Fabric blockchain network:
The architecture is divided into two layers: the Digital Ledger Technology (DLT) services and the APIs, Events, and SDKs. The DLT layer includes everything needed to run the blockchain, whereas the top layer lets the user interact ...