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vikash-agrawal
vikash-agrawal

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AWS General

Region

• It is just the geographical name.

Availability Zone

• It consists of one or more Data center.

Edge

• It is the caching delivery form AWS (eg Cloud Front), mainly media file etc.

Each Region consists of at least 2 AZs. Region is different from Edge and there are many more Edges than Regions.
Edge is light storage, when it’s accesses first time then only it gets the content, and also to provide smooth operation to the user, it should be more.

AWS Organization

• It's an account management tool, used to maintain the multiple AWS accounts (multiple accounts responsible for various team with in the organization) and these multiple accounts are called linked accounts.
• It helps in giving the consolidating bill, which turns out to be cheaper as compared to the individual bills which comes for the individual team.
• It also helps in sharing the resources rather than it’s being idle for other teams.
• It's just the paying account not for deploying resources.
• It supports 20 linked account maximums, but it can be raised by contacting AWS.
• Cloud trail can be enabled on the AWS account and region level so to enable cloud trail on root account level:

o   Create the S3 bucket for root account.
o   Grant access for other AWS accounts.
o   Enable cloud trail for each of the AWS account and redirects the log to this S3 bucket. 

• From the above diagram, we can have following advantages:

o   Centrally managed policies across multiple AWS accounts.
o   Control access to AWS services.
 With the Service Control Policies control (SCP), you can deny access to DB and kinesis to HR team.
 SCP overrides IAM.
o   Automate AWS account creations and management.
o   Consolidated billing across multiple AWS accounts.

AWS Support Plan

• It has following plans:

o   Basic
o   Developer
o   Business
o   Enterprise

• All customers receive Basic Support included with your AWS account.
• All plans, including Basic Support, provides

o   24x7 access to customer service
o   AWS documentation
o   Whitepapers
o   support forums. 

• Business and Enterprise plans provide access to full set of Trusted Advisor checks.

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