Introduction to Cloud Computing with Amazon Web Services

Traditional Environments:

DEV -> TEST -> STAGE -> PROD

With AWS Cloud:

Regions
- independent geographic area providing services
-data stays in region unless you explicitly move it
-currently 9 public regions are available

Availability Zone
- Located within a region
- Low-latency connections to other zones in that region
- Free data transfer between zones in that region

Deploying apps in AWS:
- at least 2 availability zones for redundancy as there's no financial impact
- at least 2 regions when merited [ Performance gains vs financial cost]

Accessing AWS:
APIs run all AWS services
SDKs provide an easy way to access the APIs via any prog. lang.
CLI - issues commands directly
Web Management Console - simplest way for new users to get up n running

Key Services - Administration and Security

Identity & Access Management(IAM) - where you can manage users,groups,roles, and policies
which allows to control who and what can access resources in your AWS account.

Cloud Watch - ability to monitor various services within AWS

• Metrics - around CPU, memory usage...
• Alarms - triggered when metrics reached a certain threshold
• Logs 

Trusted Advisor - analyse how we are using various services and then it bubbles with advices[alert/reports] to optimize

• Check - % of use for an instance
• Recommended Action - consolidate the instances down to a smaller number

Helps to reduce the cost and optimize usage.

Networking and Compute Services