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As a “Global Scheduler”, responsible for application QoS oriented global scheduling in accordance to the placement policies. Essentially, it refers to a decision-making capability that can decide how workloads should be spread across different clusters similar to how a human operator would. It maintains the resource utilization information for all the MEC edge cloud sites. Cloud federation functionality in our blueprint is enabled using open source Karmada project. The following is an architecture diagram for Karmada.
Karmada (Kubernetes® Armada) is a Kubernetes® management system that enables cloud-native applications to run across multiple Kubernetes® clusters and clouds with no changes to the underlying applications. By using Kubernetes®-native APIs and providing advanced scheduling capabilities, Karmada truly enables multi-cloud Kubernetes® environment. It aims to provide turnkey automation for multi-cluster application management in multi-cloud and hybrid cloud scenarios with key features such as centralized multi-cloud management, high availability, failure recovery, and traffic scheduling. More details related to Karmada project can be found here.