The hybrid cloud model is sometimes viewed as stepping stone on the way to a 100% cloud-based infrastructure. But the fact of the matter is, most cloud infrastructures will always be hybrid.
Eighty-seven percent of enterprises today have adopted a hybrid cloud approach, where some of their data, workloads and processes remain in on-premises systems or private clouds, while others are transferred to public clouds. The reality is that on-premises or private cloud resources just make more sense for certain workloads, particularly those where maintaining high levels of security and compliance are a must.
Why Hybrid Cloud Makes the Most Sense For Many
Industries such as financial services and healthcare have stringent regulatory requirements, and these types of organizations are understandably hesitant to move data out of their trusted legacy systems and into public clouds where there may potentially be more cybersecurity risks.
Security concerns aren’t the only reason to keep some workloads in on-premises systems or private clouds. Once an organization achieves a certain scale, public cloud resource use can get very expensive. Enterprises may have a number of simple, low-latency workloads that still operate just fine in their legacy systems. If there’s no tangible benefit to running them in public clouds, why pay to do it?
Given this state of affairs, even major public cloud vendors such as AWS, Azure, and GCP have moved to deliver cloud services on-premise through Outposts, Stack, and Anthos respectively. These platforms support hybrid cloud infrastructures by providing a common workload deployment process and APIs for both on-premises and cloud-based environments.
When Amazon, Microsoft, and Google have all concluded that hybrid cloud is here to stay and are investing accordingly, that’s probably a good bet.
Hybrid Cloud Can Be Complex, But Simplicity Can Be Found
Despite all the benefits of hybrid cloud infrastructures, realizing these benefits requires enterprises to properly manage and provision cloud resources. The increasing complexity of hybrid architecture poses challenges on this front. Not only do IT departments (and those they serve) need to adapt to different processes for provisioning public and private clouds, but they also need to ensure security and compliance across an increasingly heterogeneous cloud landscape. On top of these challenges, IT departments also need to monitor and control cloud costs while seamlessly orchestrating private, public and on-prem systems.
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