Vocabulary.
SAAS, PAAS, IAAS
Application, platform, infrastructure. Managed, decreasingly.
REGION
A geographic location where a provider operates.
AVAILABILITY ZONE
An isolated facility within a region.
INSTANCE
A virtual machine.
PROVISIONING
Creating a resource.
ELASTICITY
Capacity adjusting with demand.
EGRESS
Data leaving the provider, frequently charged.
TENANT
A customer's isolated portion of shared infrastructure.
SHARED RESPONSIBILITY
The division between what the provider secures and what you secure.
LOCK-IN
Dependence making it hard to leave.
SLA
A stated availability commitment, with credits as the remedy.
RIGHT-SIZING
Matching resources to actual need.
SERVERLESS
Code running per event, with no machine to manage.
CONTAINER
An application packaged with its dependencies.
ORCHESTRATION
Managing many containers.
WHAT TO ASK OF ANY TERM
What it means for your bill and your obligations.
