Five business benefits of hyperconvergence
Hyperconverged infrastructure (HCI) is the latest technology causing a buzz in the enterprise, promising operational efficiency, reduced costs and manageable scaling.
First, a quick primer: hyperconverged infrastructure is a model which combines all of a data center’s necessary components – including storage, networking, compute, backup and more – into pre-packaged units, which are controlled and managed by one central piece of software. It’s closely linked with the concept of the software-defined data center.
While adoption is fast and growing, it still trails behind more traditional systems. A survey from the Enterprise Strategy Group showed that by 2021, just 8% of organizations plan to fulfill the majority of their on-premises IT infrastructure requirements with hyper-converged infrastructure platforms.
But as the technology begins to mature, there is little doubt that the rate of adoption will pick up. So what are the benefits hyperconvergence can bring to businesses?
Hyperconverged systems bring together core storage, networking and compute functionality into a single, highly virtualised solution.
The ability to consolidate multiple IT functions such as backup, deduplication and WAN optimisation into the same platform is the most appealing reason to use hyperconverged infrastructure, according to the Enterprise Strategy Group’s survey. With hyperconverged infrastructure, all workloads fall under the same umbrella, making it easier to migrate VMs between different appliances, or even between data centers.
Over the past few years, hyperconverged infrastructure (HCI) products have developed to support workloads beyond virtualised desktop infrastructure and back-office applications, as businesses have grown more confident in the reliability and adaptability of these products.
Flexibility and scale
Because hyperconvergence is based in software, it is able to provide superior levels of flexibility and agility to businesses when compared to legacy infrastructure. Hyperconverged infrastructure takes a ‘LEGO’ block approach to data center scalability – each HCI appliance is a self-contained unit which is designed from the ground up to include every type of hardware resource a data center needs, and to maximize compatibility.
This allows expansion of data center capacity by simply bolting on an additional unit or two, rather than specifically provisioning, configuring and deploying more storage or compute capacity. Rather than creating complex update plans each time expansion is needed, or adding additional costly components, businesses can simply add another node to the environment. This enables a step up to the next level of infrastructure in small increments.
Hyperconverged infrastructure is also beneficial when it comes to data efficiency and storage. Snapshotting, data deduplication and other data protection features are often built in as standard, making disaster recovery efforts much easier. The software-defined nature of HCI also means that organizations can use public cloud storage as a target for backups.
HCI offers higher resiliency than traditional legacy systems, too. The scale-out model relies on data being spread across multiple nodes throughout the data center, or even between data centers in different geographical locations. This distributed model means that when an appliance (or even a whole rack) goes down, performance and availability doesn’t suffer as a result.
As tighter regulations such as the GDPR come in around the world, it will become even more important to take all possible steps to protect data. In a hyperconverged system, backup and disaster recovery are built in as a part of the infrastructure, making data protection more efficient and affordable.
Many legacy IT infrastructures are so varied and complex that automation has been impossible. But hyperconverged infrastructure works on the principles of the software-defined data center (SDDC), where everything including storage, servers and supporting services are virtualised. This means that automation of routine operations is achievable when centralized management tools are implemented, such as scheduling.
IT no longer need to worry about implementing hardware from different manufacturers or product lines. Everything is included in one unified environment.
An increase in automation also leads to an overall increase in efficiency, which means businesses are able to stay agile and competitive. “This is particularly crucial in the age of public cloud, where businesses seek competitive advantage through the wide flexibility of public cloud services,” says Christian Perry, research manager for IT Infrastructure at 451 Research. “But whatever their level of public cloud workload migration, most organizations retain some level of on-premises IT.”
One of the primary benefits of HCI is that it brings cost, data and operational costs down without significantly disrupting business operations. Such systems have a low cost of entry compared with integrated system parts and legacy infrastructure.
Cost benefits will become more apparent as the market matures, but the principle of hyperconvergence means that because there is less equipment needed, it is cheaper to support and maintain hyperconverged infrastructure. Because it is software-based, as new features are added they can simply be pushed out in releases without the need to replace components.
“When fully realized, the business benefits of hyperconverged can be extensive,” argues Perry. “Cost savings can be achieved through a deployment model that avoids overprovisioning typical with standalone, complex infrastructure.
“It is in the best interest of businesses to support IT in the modernization of their environments to become more cloudlike, and hyperconverged is a relatively easy step in that direction. Increasingly, hyperconverged is seen as a – if not the – catalyst in on-premises digital transformation that builds the base of software-defined IT.”
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