The Node Controller manages the lifecycle of each node's instances. It communicates with the operating system, the hypervisor, and the Cluster Controller. It manages the operation of VM instances on the host machine. Cluster Controller oversees one or more Node Controllers and Cloud Controllers at the same time. It collects data and schedules VM execution. Storage Controller (Walrus) enables the creation of volume snapshots. Block storage that persists across VM instances. The Walrus Storage Controller is a straightforward file storage system. It saves images and screenshots. S3 (Simple Storage Service) APIs are used to store and serve files. The Cloud Controller serves as the architecture's front-end. On the one hand, it serves as a Complaint Web Services to client tools and interacts with the rest of the components on the other.