What is the difference between reserved and on-demand instances in cloud computing?

Reserved and on-demand instances are two different pricing models for cloud computing resources. The main difference between reserved and on-demand instances is the pricing structure and the level of commitment required from the user. On-demand instances are a pay-as-you-go pricing model in which users pay for the computing resources they use on an hourly or per-second basis. With on-demand instances, users can spin up or shut down resources as needed, without any long-term commitment. This pricing model is ideal for workloads that have unpredictable usage patterns or for short-term projects. Reserved instances, on the other hand, are a pricing model in which users comm....