Cloud computing

Cloud computing or”the clouds” are utilized to save and access the information and applications by using an internet connection rather than the hard disk of your system. Today, everything has been moved to the cloud and the consumer can run the program by using the cloud, then access them through the cloud and then store the result and other information directly there. If we talk about the physical presence of this cloud, then they are somewhere at the other end of your internet link, from where you are able to get the files and save them also.

These days, lots of the internet-based applications and programs are cloud-based that may be similar to your social networking interaction, online shops, online reservation program and everything that’s occurring in real time is cloud-based. Many CRM programs are also cloud-based that is used by most of the organizations for improved productivity, low expenses, and greater agility.



The cloud-based applications are being used today like a sales agent that is utilizing the application through his mobile device from any place and at any time. The device should be connected to the web and he then can get and store the client associated information from any location. Here, he does not need to go back to the office to access all customer related information, since it is being now stored in the cloud.

Here to utilize the cloud-based applications, users need not buy any distinct machine nor he must administer any type of software, all of this will be managed solely by cloud businesses that are running the software.

An Intro and Differences involving YARN and MapReduceRead: A Introduction and Differences Between YARN and MapReduce
Cloud Computing Service Models
Now, as you have understood what cloud computing and service exactly is? The next thing to be discussed would be that the models of cloud computing. Cloud computing services have been divided into three Distinct models that are listed below:




1). SaaS
In these services, the cloud support provider rents the applications or software that are possessed by their clients. The software can be accessed from the customers on any device, that’s connected to the net by using the tools like the web browser, an app, etc..

Here, the best example is Salesforce CRM which provides a cloud infrastructure support for its clientele and also charges them for the support also here the computer software is possessed by Salesforce company and is hosted on the cloud.

2) PaaS
In such services, the cloud service provider enables the clients to deploy even the applications that are created by their customers themselves. Here the underlying architecture cannot be commanded by the clients which may include the operating system, servers, and storage.

Here, the best example of PaaS service would be for the developers as they’re constantly concerned with the platform for which they’re developing the support.

3)IaaS
In these services, resources like virtual machines are provided to the clients by the cloud service providers. The suppliers here abstract the users from the physical location, data partitioning, and physical machine etc.. In such provider, if the consumer wants to have a Linux machine then he can get it without being worried about the physical machine or media of his system.




The ideal example of IaaS is AWS EC2.

After the services are offered, the next significant concern that comes into the role is that the deployment models utilized by cloud. Cloud system may deploy below-listed models:

1)Public Cloud
Public cloud providers are often free for the net users or the public. All services which are deployed for people are available on the general public cloud. So far as technical implementation is concerned then there’s absolutely no gap between private and public cloud, but the safety parameter for both the clouds aren’t the same. More risk is potential for public cloud programs.

2)Personal Cloud
A sole organization can have its separate private cloud, that may be carried out by any third-party firm or the organization itself. Privately cloud user may need to update the hardware occasionally, thus the cost of a personal cloud is quite high, within this cloud security is also a major concern for those applications.

3)Hybrid
A combination of the public and private cloud is referred to as the hybrid cloud. These clouds have the qualities of both types of above-listed clouds.

Advantages of Cloud Computing

Through cloud computing, an individual can get the software and applications through the net. Now there is no need to set up the software physically. Due to technological enhancement and companies are reaping many benefits from the cloud. Cloud computing has been adopted by various organizations Because of below-listed reasons:

1)Cost-Saving

Organizations profited from cloud calculating by cutting cost that’s incurred in establishing infrastructure and software. Even with the minimal expense, the organizations can reap many benefits. Much cost could be saved as the associations need not install some software or in maintaining or running the same.

In cloud computing, the associations only must cover the services and stop it whenever demanded. Organizations need not enlarge infrastructure when required they are able to lease it. Previously, it was a myth that cloud is quite costly but now it has come to be very affordable.

2) Reliability

To cater to the need of larger audience of the diverse group, organizations will need to maintain broad infrastructure. Through cloud calculating, the associations are now able to cater to the requirements of different customers consistently and provide them with better service and functionalities. Even around the clock assistance is also provided by many cloud sellers, that is close to 100% accessibility. The user now needs not to worry about server hosting or host hosting.

3) Manageability

With cloud calculating, users need not be concerned about keeping up the server. Server management is easily achieved by the cloud providers and organizations can concentrate just on program or software. Server hosting, maintenance or security hasn’t been their concern. Firms can remain concerned free about server care and help their clients in different ways. They can offer timely support in a necessary manner to their clients.

4) Strategic Edge

In this competitive world, you may have to remain technically innovative and cloud computing aids the organizations in staying technically progress. Without performing any installation and maintenance user can now access the applications. Organizations can only focus on their key business aspects and plan their own targets and business plans readily. A strategic edge is an advantage of this cloud computing.

Disadvantage of Cloud Computing

1) Technical Outages

As many external vendors are involved in cloud computing so it’s possible that the user may need to face the technical issues. Business can be briefly even become sabotage due to such failures. Additionally, in the event of online unavailability, it may become impossible to access the information, software or application when you need it. So, to access the program and applications you might have to be dependent on internet and other aspects.

2) Security Issues

Cloud computing comes with the risk of confidentiality of your information and information. If you are utilizing the service of cloud computing provider then basically you are risking your info and data. Cloud service providers have to confront many security-related challenges when it comes to the safety of data and information.




If hackers will discover any flaw or loophole in the framework then they’re going to get the data and so it can be at high risk. Whether in the event of in-house applications or application management lower danger is involved.

In a multi-tenant architecture, hacker attacks are more likely to occur, as data can be stored by various users. Cloud computing service providers prevent the information thefts and thus attempt to reduce the security of their data or information.

3). Limited Controls

Now as the seller is different so that the organizations have very little control over their information and applications. Organizations have very little control over their data and programs as the data is loaded on the host and no accessibility. The user has limited control and may access data according to privilege that’s supplied to him by the administrator.

Final Words:

Cloud computing is becoming most used and popular in the present technical era. It offers benefits and disadvantages both into the organization. The choice to select the support of cloud computing or not is totally up to your tastes and requirements.



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