10. Architecture Application MySQL Cluster App Server (EC2 Instance) App Server (EC2 Instance) MySQL Master (EC2 Instance) MySQL Slave (EC2 Instance) S3 (Data Storage, Backups, Images) App Server (EC2 Instance) Load Balancer (Nginx) App Server (EC2 Instance) App Server (EC2 Instance) App Server (EC2 Instance) MySQL Slave (EC2 Instance) Email Relay
11. Other services have entered the cloud computing ecosystem to help manage your systems
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13. How load is handled dynamically Yes Yes Control node keeps track of instances and their roles load level higher? Max no of instance Start new instance and configure farm load level Lower? Terminate one instance and configure farm Min instance running?