There is no question that cloud computing has revolutionized software development and deployment. And with the many benefits it promises, it is no wonder that now 94% of businesses make at least some use of the cloud.
However, there still is a lot of confusion and debate about different cloud architecture and deployment strategies. In this post, we will take a look at the available cloud deployment models that mobile apps can leverage for enterprise-level data privacy and security compliance.
Cloud deployment models
Popularized by Amazon and marking the rise of the cloud, the public cloud model is usually what people think about when they hear the word cloud. In this model, you share the cloud’s hardware and resources with other users and access is provided over the internet.
The public cloud leverages economies of scale to drive down prices and provide a flexible and elastic solution. However, for a business that handles sensitive data, this constitutes a security risk, with 93% of security professionals saying that they are moderately to highly concerned about the security of the public cloud. This is despite the fact that major cloud providers invest heavily in security and are providing increasingly robust security.
The public cloud is the de-facto choice for SMBs but is also a good option for enterprises that have regular or occasional spikes in their workloads and do not process very sensitive data.
On the other end of the spectrum, the private cloud is a single-tenant deployment model where you own the hardware or rent it from a hosting provider and are its sole user. Naturally, this translates into a much higher cost (although still lower than legacy solutions).
While this model inherently provides better security, you will be responsible for maintenance, configuration, and security. This adds to your cost and overhead, but more importantly, without a heavy investment in security, it can end up being less secure. Moreover, since you only have a set amount of hardware to utilize, it is a less flexible and elastic solution.
Private clouds are usually a good option for companies handling sensitive data and a relatively stable workload. It is also a good option for companies that already invested in data centers and want to leverage their existing hardware. Lastly, it is sometimes the only option available for companies that need to comply with specific regulations like HIPAA.
To leverage the advantages of both the public and private cloud, companies can deploy their sensitive data and stable workloads on a private cloud and utilize the public cloud for the rest. It is a great option for enterprises that are making the transition from on-premise data centers to the cloud but might have legacy apps that are not compatible with the public cloud.
By using both deployment models in their appropriate scenarios, companies can achieve enhanced security for a much lower price than a purely private cloud and still enjoy the flexibility of the public cloud. This is currently the most popular strategy, with 69% of all businesses and 45% of enterprises adopting a hybrid deployment model.
Virtual private cloud
The virtual private cloud takes a more innovative approach to combine the benefits of public and private clouds. In this model, the cloud provider isolates your companies resources from the rest of the users by using a private subnet, essentially deploying a private cloud within the larger public cloud.
This approach bridges the gap between the public and private cloud by offering enhanced, managed security while still maintaining the cost and elasticity of the public cloud. It is a good option for most businesses unless they need to comply with special regulations governing their industry.
“The enterprise cloud” is largely a marketing term used by cloud providers to refer to their enterprise-focused offerings. It does not follow a specific deployment model and its definition changes from one provider to the next.
Enterprise cloud offerings try to address the needs of enterprises in many different ways but perhaps the most deserving of the “enterprise cloud” title is also known as the community cloud. In this model, the vendor provides enterprises with a public cloud that is shared by other enterprises that have similar security and privacy concerns to achieve a higher degree of security while still maintaining the cost and flexibility advantage of the hyperscale public cloud.
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