Hybrid Cloud
Hybrid cloud is an infrastructure model that combines private, on-premises (or dedicated) infrastructure with public cloud services, connected so that workloads and data can move between the two environments as needed.
Definition
Hybrid cloud is an infrastructure model that combines private, on-premises (or dedicated) infrastructure with public cloud services, connected so that workloads and data can move between the two environments as needed.
Overview
A hybrid cloud architecture keeps some systems running on infrastructure the organization owns or directly controls — a private data center, a colocation facility, or a private cloud platform — while using AWS, Azure, Google Cloud, or another public provider for other workloads, with networking (often via Direct Connect / ExpressRoute-style private links) tying the two together. Organizations adopt hybrid cloud for several recurring reasons: regulatory or data-sovereignty requirements that keep certain data on-premises, existing capital investment in hardware that hasn't fully depreciated, latency-sensitive workloads that need to stay physically close to users or equipment (common in manufacturing and retail), and a desire to burst into public cloud capacity only when demand spikes rather than paying for peak capacity year-round. Cloud providers have built products specifically to support this model — AWS Outposts, Azure Arc, and Google Anthos all extend the provider's management plane onto hardware running outside their own data centers. Hybrid cloud is closely related to but distinct from multi-cloud: hybrid describes the public/private split, while multi-cloud describes using more than one public provider. The two are often combined, and both increase the case for cloud-native design patterns and container orchestration platforms like Kubernetes, which can run consistently across on-premises and cloud environments.
Key Concepts
- Combines private, on-premises or dedicated infrastructure with public cloud services
- Private network links (dedicated connections, VPNs) tie environments together securely
- Provider extensions like AWS Outposts, Azure Arc, and Google Anthos bring cloud management on-premises
- Supports data-residency and regulatory requirements that mandate on-premises storage
- Allows bursting into public cloud capacity during demand spikes
- Often paired with container orchestration for workload portability across environments
Use Cases
Frequently Asked Questions
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