Cloud computing has revolutionized IT infrastructure deployment, leading to three main models: public, private, and hybrid clouds. Public clouds, provided by companies like AWS, Azure, and Google Cloud, offer scalable resources on a pay-per-use basis, ideal for fluctuating workloads but pose challenges in cost management and security. Private clouds provide dedicated environments with enhanced control over security and customization but require significant upfront investment and expertise. Hybrid clouds combine public and private elements, allowing organizations to allocate workloads based on specific needs, offering flexibility but necessitating complex management. Each model has distinct advantages and disadvantages in terms of scalability, cost, security, and reliability, with many organizations adopting hybrid approaches to balance these factors. Tools like Aerospike offer solutions that enhance performance, consistency, and cost-efficiency across these cloud environments, supporting multi-cloud flexibility and addressing vendor lock-in concerns.