-Basic: This tier supports various memory sizes (250MB-53GB) and is ideal for development or testing as well as non-critical workloads
-Standard: A replicated cache in a configuration of two nodes, main and replica, managed by Azure and with a high availability Service Level Agreement (SLA).
-Premium: The Premium level is the specific level for the company. Premium level caches support more features and perform better with lower latencies.
Within the levels, certain factors must be taken into account such as:
-Memory
-Network performance
-High availability
-Persistence of redis data
-Cluster in Redis
-Improved Network Security and Isolation
-Redis configuration
-Maximum number of client connections
-Specific kernel for the Redis server
-Single threaded processing
-performance improvements