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Difference between Public Cloud & Private Cloud

Updated on November 30, 2011

4 Min Read
Reading Time: 4 minutes

Comparison between private and public cloud is often done on the basis of how each one of them is accessible, provides scalability, cost-effective or secure. Nevertheless, before going through these points individually and thoroughly let us find out what managed cloud services have to do with these.

Role of Managed Cloud Services

Role of managed cloud services have not long been hidden from business entities that are on cloud or plan to migrate on one. Nevertheless, cloud providers have proved to be a boon for the establishing as well as established organizations that have an urge to grow in future.

Now, whether it is private or public cloud, how well a cloud is functioning or how well will it perform depends on certain factors necessary to maintain its stability. But, managed cloud services work towards catering your cloud requirements through professional and skilled work forces that are proficient in handling cloud related activities.

Public Cloud vs Private CloudActivities such as disaster recovery, data backup plan, increasing uptime and reducing down time, offering a secured, scalable, reliable and green environment is all managed by managed cloud service providers.

Public Cloud Vs Private Cloud

  • Public cloud is used as a service via Internet by the users, whereas a private cloud, as the name conveys is deployed within certain boundaries like firewall settings and is completely managed and monitored by the users working on it in an organization.
  • Users have to pay a monthly bill for public cloud services, but in private cloud money is charged on the basis of per Gb usage along with bandwidth transfer fees.
  • Public cloud functions on the prime principle of storage demand scalability, which means it requires no hardware device. On the contrary, no hardware is required even in private cloud, but the data stored in the private cloud can only be shared amongst users of an organization and third party sharing depends upon trust they build with them. It is also entirely monitored by the business entity where it is running.

Which one is Better- Private or Public?

Although, cloud technology has come up as a boon for IT organizations, it still holds several questions unanswered as to what is its scope for businesses in future.

Nevertheless, when it comes to comparing both cloud services in terms of performance, they share almost similar nature, but differentiate only in their architecture. However, as per several researches, a public cloud rules over the private one. Let us ponder upon some points related to it.

  • A private cloud, because it functions independently for an organization and that too behind firewall settings does prove to be accessible. By stating this, we mean that a private cloud cannot be accessed from anywhere and at any point of time. It is completely managed by the users working for an organization.

As far as the scalability factor is concerned, private cloud gives scalable business environment. It also offers flexibility to expand as per users’ requirement. Public is more viable than private cloud, let us check on few points:

    • Data security risks are less as compared to the one stored in public cloud. The geographical location of the data stored in private cloud is visible than that in public cloud.
    • Initial cost is expensive, but gets minimal at later stages of using it as a service.
  • Public Cloud architecture is built with the view to create an accessible business environment that can be shared and accessed from anywhere and at any time of the hour. Even though, it poses security risks, public cloud is considered more useful than its counterpart because of several reasons:
    • Initial cost is minimal, but if data is stored for a long period of time, it proves to be expensive. However, the cloud acts as an excellent source for different types of data than a particular type of it.
    • More accessible than the private cloud as it can be accessed from anywhere round the globe.
    • Availability and reliability are the two factors that make public cloud computing service more popular. The reason being, it is available to users via web installed at a given server off-premises.

Apart from the technical in and outs of the cloud technology, there have been a number of researches and conferences on clout theory that have given rise to a number of conclusions from a number of IT researchers, analysts and professionals. One of them listed below will give an overview of what industry thinks on cloud computing and its managed services.

In two statements on public as well as private cloud architecture, Vanessa Alvarez, a Frost & Sullivan analyst on cloud computing said that: “Private clouds will make the most money and drive the most revenue,” whereas “Public clouds can offer some level of security and reliability, but private gives you that comfy feeling.”

Thus, despite being different from each other on so many factors, it is difficult to say which cloud service stands out. Both have equal pros and cons. Nonetheless, factors concerning access patterns, security, confidentiality, service level agreements and professional work force in public and private cloud computing are yet to be enhanced so that the technology proves to be beneficial for establishing as well as established businesses.

See how Cloudways and Its Managed Cloud Services work to improve your cloud security, scalability, reliability, and up-time.

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