EC2 - Purchasing Options

Different types of option available to us.

  • 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) –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

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