Mod 2: Planning Cloud Resources

What is cloud native design?

Loosely coupled, flexible programs that are developed in smaller units

What are the advantages of cloud native design?

Scalability, portability, low cost

What does serverless mean?

Servers are managed by someone else

What cloud service model does serverless fall under?

FaaS

What are microservices?

Small independent components that provide a single function

How do microservices find each other?

Service discovery

What are the different kinds of clouds?

Public, private, community, hybrid, multi

What is a VPC?

A Virtual Private Cloud is when a CSP hosts an organizations cloud services in an isolated segment away from resources shared with other companies

What is the difference between a VPC and a private cloud?

VPCs provide logical isolation, private provides physical isolation less scalable

What is multitenancy?

How customers use shared computing resources provided by the CSP

What are the 4 common application release strategies?

Blue-green, canary, rolling, in-place

What is a common way to split production from development?

Dev, staging, and production

What is the blue-green model?

Two environments, only one is hosting the production environment while the idle one is hosting development, all users are migrated at once, zero downtime approach

What is the Canary model?

Similar to blue-green, but a small group of users are transferred as a test group before everyone else is, also zero downtime approach

What is the Rolling deployment model?

Gradually moves users to the new environment

What is the in-place deployment model?

Stops the original application and replaces it, results in downtime