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Shared Responsibility Model
+ Customer: Customer Data, Platform, Application, IAM, OS, Network and Firewall Configuration, Encryption at rest and in Transit, Network Protection => Security IN the cloud
+ AWS: Software, Compute, Storage, Database, Network, Hardware, AWS Global Infrastructure, Regions, Availability Zones, Edge Locations => Security OF the Cloud
High Availability
Hardware, software, and configuration allowing a system to recover quickly in the event of a failure
Fault Tolerance
System designed to operate through a failure with no user impact. More expensive and complex to achieve
Recovery Point Objective (RPO)
How much a business can tolerate to lose, expressed in time. The maximum time between a failure and the last successful backup.
Recovery Time Objective (RTO)
The maximum amount of time a system can be down. How long a solution takes to recover.
Vertical scaling
Achieved by adding additional resources in the form of CPU or memory to an existing machine. By doing so, the machine is able to service additional customers or…
