Setting up high availability
This section introduces configuring AWS infrastructure to support high availability for our application. Most of Amazon's high-level services are designed for high availability and fault tolerance such as Elastic Load Balancer (ELB), Simple Storage Service (S3), Simple Queue Service (SQS), Simple Notification Service (SNS), Relation Database Service (RDS), Route 53 a dynamic DNS service, and CloudWatch. The infrastructure services such as Elastic Cloud Compute (EC2) and Elastic Block Storage (EBS) provide constructs such as availability zones, elastic IP addresses, and snapshots to design high availability and fault tolerant applications. Remember hosting an application on the cloud does not make it fault-tolerant ...
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