EC2 Instance Purchasing Options

• On-Demand Instances – short workload, predictable pricing, pay by second

• Reserved (1 & 3 years)

• Reserved Instances – long workloads

• Convertible Reserved Instances – long workloads with flexible instances

• Savings Plans (1 & 3 years) – the commitment to an amount of usage, long workload

• Spot Instances – short workloads, cheap, can lose instances (less reliable)

• Dedicated Hosts – book an entire physical server, control instance placement

• Dedicated Instances – no other customers will share your hardware

• Capacity Reservations – reserve capacity in a specific AZ for any duration