It might seem like public cloud services are all the same, but enterprises are coming to realize that the leading vendors have different strengths and weaknesses. A recent Vanson Bourne survey commissioned by security vendor Barracuda Networks found that the average enterprise uses three different cloud providers.
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Why so many?
Of the 907 respondents who used more than one public cloud computing service, 63 percent said that they did so because different providers have different strengths.
For many organizations, selecting a cloud vendor is not a one-time event but an ongoing process that occurs every time they deploy a new workload to the cloud. And they are moving more and more of their jobs to the cloud. In the Vanson Bourne study, the average organization had about 40 percent of its infrastructure in the cloud today, and respondents expected that to grow to nearly 70 percent within five years.
Market research also indicates that use of the public cloud is likely to increase dramatically over the next few years. For example, according to Gartner, “The worldwide public cloud services market is projected to grow 18 percent in 2017 to total $246.8 billion, up from $209.2 billion in 2016.”
As organizations increase their use of public cloud services, many experts recommend making the cloud vendor selection on a case-by-case basis. While that process may take more effort, it can pay off in lower costs, improved performance, increased agility and greater availability.
Traditionally, lower costs have been one of the key factors motivating migration to public cloud services. And in the Vanson Bourne survey, reduced IT expenditures was still the number one benefit experienced by organizations with workloads in the cloud, cited by 52 percent of the respondents.
However, costs aren’t the entire story. An equal number of those surveyed pointed to greater scalability as a top public cloud benefit, and high numbers also reported greater agility (45 percent), improved security (44 percent) and less time spent on IT maintenance (44 percent).
Many organizations approach their cloud projects with an eye towards achieving all of these benefits. Thus, the choice of a public cloud vendor becomes a complicated decision that depends on a wide variety of factors, including the following:
By far, the biggest mistake that organizations make when choosing a public cloud vendor is not doing their homework. Kraatz says that he sees organizations “arbitrarily believing that one public cloud provider is better than the other without going through an evaluation of vendors against business requirements” or “arbitrarily thinking that it is easy to migrate to a specific vendor compared to another vendor.”
Instead, organizations should carefully investigate potential providers using the criteria listed above. Organizations need to understand the contract, SLA, cost structure, licensing and customer support before they begin using a cloud service.
Kraatz also warns that different regions may offer different services. Organizations need to make sure that the services they want are actually available in the data center they want to use.
As previously mentioned, many businesses are taking an ad hoc approach to selecting cloud providers, matching particular vendors and services to individual projects. As a result, multicloud approaches are on the rise. The market researchers at IDC have predicted, “More than 85% of enterprise it organizations will commit to multicloud architectures by 2018, driving up the rate and pace of change in IT organizations.”
However, this multicloud approach might not be right for every organization. Organizations should understand the pros and cons of multicloud before using multiple cloud vendors.
The biggest benefit of a multicloud strategy is that organizations can find the best fit for each of their workloads. That in turn can lead to performance improvements and potential cost savings.
Multicloud environments may also offer greater agility and scalability. They also give customers more options when it comes to selecting the best data center locations for their needs.
The big disadvantages of the multicloud approach center around management. Obviously, it takes more effort and time for IT to manage and monitor multiple cloud vendors as opposed to a single vendor.
Compliance and security are also bigger concerns. Kraatz points out that the “auditing landscape is larger,” and when it comes to security, organizations “will need more tools to make sure bad habits aren’t proliferated and creating security breaches.
Interoperability and mobility may also be issues.
Datamation has a number of other cloud computing resources available to help organizations with the public cloud selection process. They include the following:
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