What are the different reasons to opt for CloudSim?

What are the distinct motivations that drive individuals and organizations towards choosing CloudSim? Are there any specific use cases or scenarios where CloudSim stands out as a particularly attractive solution? Perhaps there are cost-saving benefits, scalability advantages, or enhanced simulation capabilities that make CloudSim a compelling choice for researchers and practitioners alike. Could you elaborate on these reasons and provide insights into why CloudSim might be the right fit for different types of projects and needs?