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Hybrid cloud, meaning some on premises and some off premises, is already the default architecture for IT and has been for a while now. However, until this point, hybrid has been seen as that interim state on a journey to what many might condescendingly call cloud maturity en route to full public cloud. But now it seems IT leaders realize that hybrid may not be a transitory stateit may actually be the preferred state.

More customers are looking at hybrid as a permanent state because of the welcome flexibility it brings to IT, allowing organizations to use existing architecture in their data center while still taking advantage of clouds benefits to optimize costs and extend on-premises IT capabilities.

Hybrids popularity is also getting a boost from companies that are predominantly on premises, but eager to exploit the latest technology found in cloud models. Organizations need greater processing power as they turn to advances such as AI to help them process and analyze data faster and more efficiently. The cloud route offers enterprises a flexible and scalable way to meet these increasing processing needs without needing to invest in costly hardware, while also addressing cybersecurity concerns. This is an excellent use of public cloud.

But this isnt a transition you can navigate without careful planning. In fact, if youre too hasty, you might move things into the cloud that will leave you saddled with a negative ROI.Some companies still get tripped up by failing to do proper planning and wind up moving the wrong workloads to the cloud, forcing them to backtrack and start again from scratch.

In addition to the expense and embarrassment of an ill-advised cloud migration, organizations are left on the sidelines as data continues to grow at exponential rates. Instead of becoming more efficient and productive, theyre unable to achieve the desired business outcomes that would be the reward of a successful cloud migration and risk falling behind the competition.

Why do some migrations fail? What often happens is infrastructure teams are forced to scramble to keep up with the demands and requirements as applications get moved to the public cloud. The net result is an inefficient hodgepodge of a solution that hurts performance.

Thats because cloud projects are usually driven by software architects who often map out these projects without involvement or feedback from the organizations infrastructure architectswith predictable results. Cloud masterfully abstracts the performance-impacting nature of infrastructure realities, and software architects are all too keen to believe this apparent absence is actual absence of anything to worry about. However, that is often not the case.

The goal should always be to put the right workload with the right data into the right place. But some types of workloads are not going to work well in the cloud because they dont translate well to a microservices architecture with higher latency from network, storage, and inter-services messaging. In those instances, perhaps the best decision is to leave things as they are for some applications. As one customer once said to me, Sometimes monolithic is optimal.

Straightening this outand better optimizing hybrid cloud deployments to find the right balancerequires better communication between the infrastructure and software architecture teams. This will take some doing considering that developers have usually spearheaded cloud initiatives inside their organizations.

Theres an urgency to fix this sooner than later because hybrid cloud demand is kicking into high gear. More than three-quarters of enterprises now use two or more cloud providers, and one-third have more than 50% of their workloads in the cloud.

Further, both on-premises and public cloud investment are only expected to increase in the coming years, withGartnerpredicting that end-user spending on public cloud services will reach nearly $600 billion this year.

Hybrid cloud is a way for organizations to leverage the benefits of both public and private clouds as they move their workloads. Further, hybrid offers more options to host workloadswhether that be on premises, in a hosted private cloud, or in a public cloud. That flexibility also contributes to a more optimized IT infrastructure and lower costs as companies optimize resource allocation and improve the performance of their cloud infrastructure.

Companies also stand to reap a security bonus by being able to leverage the security benefits of public and private clouds. With private clouds, they gain more control over security. In the public cloud, they benefit from more advanced security approaches.

Many organizations are also looking at hybrid cloud to cap skyrocketing monthly public cloud bills, a challenge exacerbated by cloud sprawl, where organizations operate several different clouds for the same or similar workloads instead of matching the right workload to the right cloud. Further, the cloud storage costs associated with managing all that data add strain on corporate budgets at a time when CFOs are in no mood for financial surprises.

Pay as you go is greatprovided you understand exactly how you go. Otherwise, you may be paying for something thats different than what you intended. This is particularly true of storage, which tends to be long-lived and steadily growing, the worst of combinations for pay as you go.

So, is cloud first dead? I think for the most part it is.And its being replaced by the cloud smart movement. Cloud smart involves making the best use of cloud concepts whether they are on premises or off and fundamentally making the most rational choice of locality as part of the thinking.

A cloud smart architectural approach is essential because it enables enterprises to optimize their on-premises IT infrastructure and leverage the benefits of the cloud as well. With cloud smart architecture, enterprises can design and deploy highly available, scalable, and resilient solutions that have cloud operating characteristics to adapt to their changing business needs.

After the initial rush to public cloud, this belated dose of reality is a positive. It reflects the recognition that there needs to be a smarter balance right between what's on premises vs. what's in the public cloud. Knowing how to strike the right balancewith the understanding that not every application is meant for the cloudcan ensure that you optimize performance, reliability, and cost, driving better long-term outcomes for your organization.

Bharti Patel is SVP, head of engineering at Hitachi Vantara, leading the companys cutting-edge data and infrastructure product offerings.

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