A load balancer distributes incoming traffic toward multiple EC2 instances across different Availability Zones, increasing application fault tolerance. It detects unhealthy instances and routes traffic only to healthy targets. It automatically adjusts capacity as application traffic fluctuates, scaling to handle the vast majority of workloads without manual intervention. There are three types of load balancers supported: 1)Application Load Balancers 2) Network Load Balancers 3) Classic Load Balancers We can select a load balancer based on the application needs. Application Load Balancer An Application Load Balancer routes the traffic at the …

Amazon Redshift is a fully managed, petabyte-scale data warehouse service in the cloud. A data warehouse architecture consists of three tiers. The bottom tier of the architecture is the database server, where data is loaded and stored. The middle tier consists of the analytics engine that is used to access and analyze the data. The top tier is the front-end client that presents results via reporting, analysis, and data-mining tools.