Service Fabric is a collection of services grouped into different subsystems. These subsystems have specific responsibilities. The following diagram illustrates the major subsystems which form the Service Fabric architecture:
The first layer from the bottom, the Transport Subsystem is responsible for providing secure communication channels between nodes in a Service Fabric cluster. The Federation Subsystem above it helps logically group physical or virtual nodes into a cluster so that it can be managed as a unit. This helps Service Fabric with tasks such as failure detection, leader election, and routing. Reliability of the workload hosted on Service Fabric is managed by the Reliability Subsystem. It owns the responsibility of replication, resource management, and failover. The Hosting & Activation ...