Netflix on AWS

hlg

DC Analogy

DC

Cloud Analogy

cloudana

Transition : DC to CLOUD

transition

Application Restructuring

apprest

DATABASE

db

Test Cloud Efficiency  

Monkey

There are Chaos Monkey (which simulates instance failures) and Chaos Gorilla (which simulate AWS Region Failures).

Extensive Backup Strategy

database

As shown on the left side, the whole infra setup is redundant across multiple AZ. On the right side the production data availability is shown in 3 different levels.

1st Level – Each data element is stored redundant database to protect against hardware failure.
2nd Level – To protect from logical failure like software bugs, someone drops a column accidently etc the need occurs to take regular backup of data onto s3.
3rd Level – To protect against natural disasters, catastrophic security breaches there is a secondary backup of all customer data into a hetrogenous cloud environment.

source

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