Cloud services can save you money -- if you're careful
Determining whether using the cloud will pay off is an extremely complicated process.
Computerworld - The key to earning a positive return on investment when adopting cloud services -- including software-as-a-service and infrastructure-as-a-service -- is carefully studying costs and benefits to ensure that such a shift will pay off.
Sounds like many of the other IT projects you've shepherded, right? But it turns out it's incredibly complex to determine whether a move to the cloud will pay off for a given application. When done in haste, that analysis can lead companies to adopt the cloud for the wrong reasons, leaving them with higher costs or an inferior product when compared to an on-premises installation.
The good news is that despite all the hype around the cloud, it appears that many businesses recognize the dangers and are proceeding with caution.
"It is significant that the enterprise market is really moving to the public cloud at quite a glacial pace, and I think it's because they know ROI is much more complex than just the avoidance of hardware and software costs," says Marc Brien, vice president of research for Domicity, a consulting and IT analysis firm.
There aren't comprehensive estimates for how many enterprises are using cloud services. Amazon Web Services (AWS), the most popular IaaS offering on the market, doesn't reveal such detailed stats. However, Cloudyn, a company that monitors AWS usage for customers, says that companies with more than 1,000 employees account for just 11% of Amazon's AWS customer base around the world.
Software-as-a-service offerings from certain providers, such as Salesforce.com, are much more popular in enterprises, while niche or legacy app cloud services are a mixed bag in terms of enterprise adoption, Brien said.
Among businesses that are using cloud services, there are plenty of success stories showing that the cloud can significantly cut costs. Nucleus Research examined 70 case studies of companies adopting SaaS and found that the ROI of such services was 1.7 times better than that of on-premises apps, largely because the hosted services could offer increasing benefits over time without a proportional increase in costs.
But there are also some businesses that are adopting cloud services and regretting it. Nucleus Research found in a survey that 52% of users of cloud-based customer relationship management services were willing to consider switching vendors within six months. "What we saw was that companies had often been sold aggressively, and they spent less time on due diligence and planning," says Rebecca Wettemann, an analyst at Nucleus, an IT research and advisory firm.
The cloud isn't necessarily right for all use cases. "It's not a silver bullet. It's not the right answer for every situation," says Casey Coleman, CIO for the General Services Administration.
Only fools rush in
As the first federal government agency to deploy a cloud-based email service agency-wide, the GSA didn't have a road map to follow, says Coleman. So in May 2009, it launched an effort to thoroughly examine its current costs as well as projections for the cloud service.
"It is the case that it has to be well thought out and methodical. This is an IT project like any other. You have to plan for change management, promote user awareness, ensure cybersecurity in contractual terms, like with any IT project. If you don't approach it in that manner, you might have a different experience," Coleman says. "The promise of cloud computing has been borne out in our experience."
When the GSA adopted Google Apps for email in July 2011, it was able to realize added cost savings by also transitioning non-email systems that were attached to its legacy email system. The agency had been using Lotus Notes for email, plus Domino for workflow apps. As part of its review of adopting Apps for email, the GSA took a hard look at the Domino apps. "We ended up reviewing those apps and eliminating most of them," she says.
The GSA had 2,000 apps in Domino, ranging from small databases to more substantial workflows. It got rid of all but 500 of those, with many consolidated and reworked in Force.com. Cutting so many apps meant that the GSA could then turn off 300 in-house servers, Coleman says.
Those cuts plus others enabled the GSA to project that it would save $16 million over five years by moving to Google Apps for email -- and to date that estimate is proving to be accurate, Coleman says.
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