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Can you please explain the difference between on demand and reserved instances?
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Answer / Suman Nagar
On Demand Instances are Amazon Elastic Compute Cloud (EC2) instances that you can use immediately whenever you need additional computing capacity. With On-Demand Instances, there are no long-term commitments or upfront payments. In contrast, Reserved Instances (RIs) are a capacity purchase model where you make a one-or-three-year commitment to Amazon Web Services for a specific instance family, region, and availability zone in exchange for a discounted hourly rate compared to On-Demand pricing.nnOn Demand instances can be more expensive over the long run but offer more flexibility as they don't require a long-term commitment. Reserved Instances offer lower costs if you have predictable or steady workloads and are willing to commit to using those resources for a certain period.
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