Cloud computing has been massively successful in the last decade and many companies have opted for the relatively inexpensive, low maintenance offerings of cloud software vendors over having software installed on-premises.
Although the migration from on-prem to cloud solutions is in full swing, there are still key differences in cost, security, and implementation that you should be aware of before deciding which delivery solution works best for your company.
Difference between Cloud and On-Prem
Before getting into the nitty gritty details of the benefits of one solution over the other, let's discuss what the key differences are between on-prem software solutions and those on the cloud. The key difference between cloud and on-premises software solutions is in the way they are deployed and maintained. On-premises, as its name infers, is on the premises of an organization and is directly controlled and maintained by that organization’s IT and infrastructure. With an on-prem solution, your organization is responsible for maintaining the solution and all of its related processes. Contrast this with a cloud solution, where the software is hosted by the software provider, but your organization can access those resources and use them at any given time. If you've ever used a service like Gmail then you have a clear example of how this works. You can access Gmail from your phone or computer anytime, from anywhere, but Gmail is maintained on Google's servers, and thus you have no control over its delivery and maintenance.Cost
With the differences in deployment established, we can do a cost/benefit analysis of both options and decide which one is best for you. Cost, and the way you pay for each option, is considerably different between on-prem and cloud based solutionsOn-Prem:
Generally, on-premises solutions will require a single, large investment, a one-time perpetual license fee (often based on your organization’s size or number of users). After the one-time fee, there are often recurring fees for support, training, and updates.
Cloud:
Cloud is often a recurring fee that you pay monthly or annually. However, enterprises that elect to use a cloud computing model only need to pay for the resources that they use, with none of the maintenance and upkeep costs. The price adjusts up or down depending on users and usage.Security
Although neither cloud nor on-prem solutions are inherently insecure, there is a difference in the security level and control you can exert over the security. Consider this the difference between keeping your money in a vault in your home compared to in a bank. Both are secure options, but in your own home you have more control over security and the comfort of knowing exactly where your money is at all times.On Prem:
An on-premises solution puts the security of your organization's data in your own hands. For some organizations who need to keep their data private, like banks and government contractors, this may be a preferred option, even with the higher price tag of an on-prem solution. The drawback is that not all organizations are aware of best practices when it comes to data security. Keeping your solution on-prem puts liability on your organization. Make sure you're prepared for this responsibility.Cloud:
A cloud solution puts the onus of your data's security in the hands of the vendor. This is often a perfectly acceptable solution. In order to maintain their reputations, vendors are usually hyper aware of data security. Protecting client data and maintaining trust is essential for vendors to remain in business. However, in the past decade there have been more than a few data breaches that have affected millions of people. Cloud solutions are a much more affordable option, but make sure the vendor you choose takes appropriate steps to secure your organization's data.