Tuesday, April 21, 2015

What is a Reserved Instances in AWS? (38 of 285 technotes for 2015)

  • Offering
    • All upfornt - Pay for a instance ahead for 1-2-3 years.(best cost savings)
    • Partial upfront - Pay full for partial term, and the remainder term as monthly installments.
    • No upfront - monthly installment throughout the term. (low savings)
    • Light utilization - 
    • Medium utilization - 
  • No matter which plan you choose - you are committing to pay for 1-2-3 years.
  • Benefits
    • Get significant reduction in cost
    • Capacity reservation for number of EC2 instances
  • Modifying Reserved Instances - as long as requirements for modifications exist, and capacities are available.
  • Unused Reserved instances - can be sold in the Reserved instance market place - https://portal.aws.amazon.com/ec2/ri/seller_registration


References: 

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