[AWS Solution Architect] EC2 Pricing

EC2 Pricing

• Discount

  All Upfront > Partial Upfront > No Upfront

• All Upfront

  Pay full amount for the reservation term in one single payment

• Partial Upfront: Pay portion of amount for part of the reservation term in an upfront payment and pay the remaining in installments every month for the duration of the term.

• No Upfront: Pay for the reservation in installments throughout the term’s duration every month. This payment offers the lowest savings rate.

https://www.botmetric.com/blog/aws-ec2-reserved-instances-choosing-right-one-fits/

https://aws.amazon.com/ko/blogs/korea/simplified-reserved-instances/

https://aws-diary.tistory.com/84 https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/dedicated-hosts-overview.html

• An important difference between a Dedicated Host and a Dedicated instance
  • Dedicate Host
    • cost a physical server(host) with EC2 instance capacity fully dedicated to your use.
    • it gives you additional visibility and control over how instances are placed on a physical server, and you can consistently deploy your instances to the same physical server over time.
    • 인스턴스 실행을 전담하는 실제 호스트 비용을 지불하며, 기존의 소켓, 코어 또는 VM 소프트웨어별 라이선스를 가져와 비용을 절감합니다.
  • Dedicate Instance
    • 단일 테넌트 하드웨어에서 실행되는 인스턴스 비용을 시간 단위로 지불합니다
• Support for multiple instance sizes on the same Dedicated Host is available for the following instance families: T3, A1, C5, M5, R5, C5n, R5n, and M5n.
  • Other instance families support only a single instance size on the same Dedicated Host.

https://docs.aws.amazon.com/ko_kr/AWSEC2/latest/UserGuide/concepts.html

The copyright of all material here is on this video https://www.youtube.com/watch?v=Ia-UEYYR44s

This post is just for studying AWS SAA.