Authors: Anvi Saxena
Abstract: The rapid growth of cloud computing has transformed the way organizations deploy, manage, and scale their IT infrastructure. Traditional single-cloud deployments often face limitations such as vendor lock-in, scalability bottlenecks, reliability issues, and security vulnerabilities. To address these challenges, multi-cloud strategies have emerged as a viable solution, enabling organizations to leverage multiple cloud service providers simultaneously. This review article presents an analytical study of multi-cloud strategies, emphasizing their impact on scalability, reliability, and data security. Scalability is a critical requirement in modern IT ecosystems, allowing dynamic resource allocation based on workload demands. Multi-cloud strategies enhance scalability by distributing workloads across several providers, enabling organizations to optimize performance and reduce latency. Reliability, or the ability of a system to maintain continuous service despite failures, is also improved in multi-cloud environments. By implementing redundancy and failover mechanisms across multiple clouds, organizations can achieve high availability and disaster recovery capabilities that are difficult with single-cloud architectures. Data security is another crucial consideration, as storing sensitive information across multiple platforms introduces potential vulnerabilities. Multi-cloud strategies can mitigate security risks through encryption, identity and access management, compliance adherence, and robust monitoring practices. This review systematically examines recent literature and case studies, highlighting different multi-cloud approaches, their benefits, and associated challenges. Additionally, it identifies gaps in current research, particularly in areas such as interoperability, orchestration, and automated management. The article also explores emerging trends, including AI-assisted cloud management, edge computing integration, and serverless architectures, which can further enhance multi-cloud effectiveness. Ultimately, this review provides a holistic understanding of how multi-cloud strategies contribute to improved scalability, reliability, and data security, offering valuable insights for researchers, IT architects, and organizational decision-makers aiming to optimize cloud infrastructure for the evolving digital landscape.
DOI: http://doi.org/10.5281/zenodo.18159410
