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An Explanation On Cloud Computing Services
Cloud computing: we hear this term almost daily. But in fact, what is cloud computing? This seems to be a common question but there is a lot of confusion in cloud computing.
So what is cloud computing?
First of all, it is useful to understand where the term "cloud computing" came from. This is probably due to the use of an image in the cloud to represent a computing environment on the network or the Internet.
A quick Google search will show a series of definitions for cloud computing. I like the definition I chose from Wikipedia, which defines cloud computing as the delivery of computing as a service where shared resources, software, and information are provided to computers and other devices as a utility similar to the electricity network, through a network that in most cases is the Internet.
What are the different models of cloud computing?
To solve some of the confusion associated with cloud computing, it's useful to understand the different cloud service models, of which three are software as a service (SaaS), a platform as a service (PaaS), and an infrastructure as a service (IaaS).
SaaS is the most famous scent of cloud service. SaaS is sometimes called on-demand software. With SaaS, software and related data are centrally located and, in general, accessible via the Internet through a browser. What are some examples of SaaS? MailChimp, the application we use to distribute our newsletters, is an example.
Google Apps and Dropbox are examples, and the list continues to expand.
PaaS provides the delivery of the computing platform and the necessary solutions to facilitate the deployment of applications without the need to invest in the cost and complexity of hardware and software. Some examples of PaaS include Microsoft Azure and Google App Engine.
The IaaS service model allows customers to avoid buying servers, software, data center space and network equipment. These resources are provided as a fully subcontracted service. Examples of IaaS are the Elastic Compute Cloud and Rackspace from Amazon.
In addition to the various cloud maintenance models, it is useful to understand the delivery models through which cloud computing is distributed. The basic delivery models include public, private, and hybrid.
The public cloud offers infrastructure and solutions to the general public and, in general, belongs to a large organization that sells services in the cloud.
A private cloud is only for the organization. A private cloud can be managed by an organization that uses it or a third party, and the infrastructure can be located on the user's site in the cloud or elsewhere.
The cloud of the community is shared by several organizations and is compatible with the user community, usually with common interests, such as regulatory issues.
A hybrid cloud model consists of two or more clouds, for example, a public and private cloud, connected by technologies to facilitate data exchange and portability.
What are the advantages of cloud computing?
The main advantages of cloud computing include:
Savings on facilities
Access from any place at any time via Internet connection
Reduced dependence on IT support
Cloud solutions, as a rule, are implemented faster than solutions on the site
Cloud solutions usually allow organizations to purchase a larger product with much more functionality, which would be incredibly expensive if similar functionality was acquired through a local solution that is not in the cloud.
The IT center can focus more on value-added tasks than IT infrastructure management because infrastructure management moves to the cloud provider
Cloud solutions usually contribute to the following:
More timely financial information
Optimization of business processes
Connect with employees and allow employees to work remotely
What are some of the risks and problems associated with cloud computing?
Despite the benefits, there are a number of common problems associated with cloud computing. It is very important to carefully consider the risks that can affect your confidential information, regardless of whether you evaluate the decisions in the cloud or on the site. It is also important to assess the risks associated with cloud solutions in the context of similar risks with which you may encounter your own alternatives on the site.
The most common problem is security. For most small and medium-sized organizations, security with cloud solutions is often better than on local solutions, because cloud vendors can invest in skills to deal with emerging threats and changes. Many small and medium-sized organizations rely on incomplete IT support or do not have special IT support. This, combined with developing IT risks, will tend to suggest that most small and medium-sized organizations simply cannot keep up with the threats to their information resources. To solve security problems, an accredited cloud provider must have appropriate guarantees for the following purposes:
Data access: There must be a hard authentication process, through which all users must pass to access their data
Transfer: Data must be encrypted when switching from your local site to a cloud service provider
Network: There must be reliable protection to protect the cloud provider network
Physical access: The cloud computing provider should be able to demonstrate reliable control over physical access to its objects where the data will be stored.
Data protection: A cloud provider must be able to ensure that their data is encrypted when they are "at rest" in the cloud.
Confidentiality and Compliance: A cloud provider must be able to guarantee the confidentiality of your information and comply with relevant rules and laws that may be relevant to your organization.
Another problem is the presence of solutions in the cloud. It is appropriate to assess the impact of the solution on a cloud that is unavailable due to circumstances such as Internet interruption or a technical failure of the cloud computing provider. Once again, such problems should be analyzed in the appropriate context. Internet breaks, especially long-term outages, tend to be unusual. Reliable cloud providers can often demonstrate very high levels of performance, and in the event of problems, qualified resources are available to address them.
How does this scenario compare to similar risks associated with your alternative on the spot? What is your downtime with solutions on the spot and you can get timely support 24/7 if you have a critical problem? Risks of accessibility can also be mitigated using a hybrid cloud model.
Access to data is raised as a problem in two contexts. One of these is how I can recover my data if I stay with a cloud provider. The other is what happens if my cloud provider closes the business. The answer to such questions should be available from your cloud provider and must be specified in your agreement with the end user. It is very important to consider in what format your data will be available if you try to get them from your cloud provider. Consider, for example, that if you use a cloud-based accounting solution, your data may not be sent to you in the same format as you entered it.
The last consideration to think about is the backup of data. In our experience with small organizations, it is not difficult to find backup routines or problems with them, such as backups that are not stored outside the site or restore backups that are not being tested. Bravens cloud solutions reduce this risk, and in fact, many cloud service providers have multiple backup locations in the event of a defect on a particular site.
For more information about Cloud Solutions in US, Cloud Servers and Cloud Technology, Visit us at BravensInc.com
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