Sunday, May 5, 2019

Cloud Computing Services and Security Features of Web-Based Applications

Cloud computing services
Everything you need to know about cloud computing
Cloud computing refers to online resources and computer systems that can provide a number of integrated services without local resources to facilitate user access. These resources include data storage, backup, and self-synchronization, etc.

Types of Cloud Computing Services, Uses, Advantages and Drawbacks, and Security Features of Web-Based Applications

Cloud computing: You may have heard this word before; it is undoubtedly the next revolution in the world of the Internet as well as the business world. If this term is a bit strange to you, I advise you to read this article carefully.
In the sense that the service provider shares its huge potential and powerful servers to provide diverse services for the customer to buy, equip and maintain devices within his company to carry out such tasks and functions.

What is Cloud Computing?

Cloud computing is a set of services offered from a service provider to a customer or to an audience of online clients in order to exploit the abilities and capabilities of the superior service provider without having to purchase expensive equipment in the company to do the same tasks.
The term "cloud computing" dates back to the 1960s when some companies began to think about how useful it would be to make computing service for individuals online. There are a lot of cloud services such as storage, databases, software and other various services through the Internet.
Cloud computing has many types of services provided by some companies offering infrastructure as a service (IaaS). IaaS provides online storage services through this type of cloud service. Another type of cloud service is software as a service (SaaS). SaaS provides various software services over the Internet. Microsoft Office 365 is one of the common software programs that can be obtained through SaaS. The world has many of the leading providers of cloud services - platform as a Service (PaaS) such as Google Cloud Platform, Microsoft Azure and Amazon Elastic Compute Cloud.

Cloud Computing Services

Cloud computing can be summed up in three main services that represent all the various cloud computing services.

1. Software as a service (SaaS)
3. Infrastructure as a Service (IaaS)
2. Platform as a Service (PaaS)

Types of Cloud Computing

After learning about the meaning of cloud computing and taking some examples of services it offers, you should now know the types of cloud computing, and that can also be summarized in three types:

Public Cloud Computing
Public cloud computing is an infrastructure that provides all computing applications and resources but to a group of customers and applications are mixed on the servers.

Private Cloud Computing
Private cloud computing is also an infrastructure but leased to a single person or institution so that it works for him and at his full disposal in the data and security and the quality and the efficiency of the service.

Hybrid Cloud Computing
Hybrid cloud computing is an infrastructure that combines public and private cloud models so that each can be provided.

The Applications of Cloud Computing

One of the coolest uses of cloud computing is the ability to use high-level applications and software, regardless of the efficiency of the devices you use, because it depends on the strength of the network servers and not on the personal resources of your device. Whatever the efficiency of your personal computer, you can use Google Docs, without a problem. To make this even clearer, we take several examples of cloud computing:

E-mail services
Do you use various email services such as Gmail, Yahoo mail or even Hotmail within your company or for your personal use?
If yes, you should know that this is the best example of cloud computing because you simply share with your service provider and take advantage of the storage capacity of your servers too - in this case, Google or Yahoo - to provide servers on which your personal email is based and to upload and send your files to your e-mail.
 In this case, you did not have to buy a server with certain storage capacity at a high price, but you also did not bear the cost of creating, loading and maintaining periodic. All this is provided by different service providers.

Cloud Storage Services
Maybe you've already dealt with one of these services and you might even know them well. Who has not handled the popular online storage service called the Dropbox and what about Google Drive? All these services are cloud storage services, that is, they use cloud computing to provide storage capacities for files on the Internet without having physical storage disks on your computer or in your company.

Cloud Applications
The most famous are Google Docs and Photoshop Express.  Cloud applications that are used to perform some of the required functions such as editing data and images and create text files and tables, just like the programs of Office and Photoshop and others, without the need to download programs on your device, without the consumption of the storage capacity of your personal or office processors.

Cloud Operating Systems
Google is taking the lead in this area by launching its famous program Google Chrome for a cloud operating system known as Chrome OS. It is expected that there will be a breakthrough in the year of cloud computing and jump into completely new dimensions.

Advantages of cloud computing

There are many advantages and benefits that can be gained from the use of cloud computing services over the Internet. The most prominent of these benefits are:

Cost reduction: You can reduce your purchase of different hardware and software and use cloud services instead, which will reduce your purchase, setup, and maintenance costs.

Speed: Many things can be done through cloud computing with tremendous speed and with the click of a button.

Business Completion: The use of this type of service may eliminate the need to rely on business management and IT programs, and eliminates the need for a space to store various documents.

Security: Cloud computing services back up existing data and can work even after natural disasters.

The advantages of cloud computing can be summarized as follows:
⇒Cloud computing offers significant and expensive costs to its users as a result of not having to use special devices after purchasing them, as well as their periodic maintenance costs.
Cloud computing provides secure access to the data and information stored on it provided that there is evidence that the user has the right to view and use the data.
Cloud computing is a great way to preserve data and information for fear of loss.
Cloud computing can be expanded or reduced with simple touches as needed and without problems.
Ensure cloud computing works permanently. In this circumstance, the role of service providers is very important for those who pledge to provide a safe and good quality service without interruption.

Drawbacks of cloud computing

The disadvantages of cloud computing are summarized as follows:
The shadow of fear: Fear of hacking servers and stealing data or selling them by third party service providers so you have to deal with reliable, credible and transparent companies.
Network connection dependency: Your business must always have an Internet connection to reap the advantages of cloud computing.
Limited Features. All cloud providers are not created equally and do not offer unlimited data.
Loss of Control: The do not have all the control over the data they use, they have fear of interruption of Internet service or fear of losing data in general.
Technical Issues: Current applications of cloud computing on the Internet have not yet reached the required level and are expected to be efficient. There is not yet an application program on the Internet for the level of modification to the desired images such as Photoshop, for example.

Cloud Computing Security Features

The security features of the cloud computing are the most important and most critical factor in the efficiency and continuity of service delivery to clients. Cloud security service providers are based on several elements including:

Identity Management System
As mentioned before, it is necessary to ensure that the identity of the user who is required to access the database and the stored information is the correct identity of a person who is entitled to view or act on these data. The identity management system is mainly when entering the system.

Privacy policy
It is one of the most important security features that should distinguish the service. It is very important to provide privacy policies that protect both the rights of the customer and the service provider. Privacy policies are a strong and direct criterion for the power of the service provider and its ability to provide a distinct service to the customer.

Complete Data Protection
This point is shared by service providers and the customer. Each of them is required to maintain the confidentiality of the data provided and not to give any information to any account for any person who is not authorized to do so.

Security features in web applications

It is very important when initiating modifications and development methods for web applications from programmers to be equipped with security systems and protection to prevent penetration and at the same time working to increase efficiency and raise the overall level.

Cloud Hosting Services:
Amazon offers hosting services (IaaS) on the EC2 platform, which has made many organizations rely on this platform to host their applications. Amazon is one of the leading hosting companies and has increased services such as SaaS, where users have some control over operating systems and the operating time environment, which has helped to reduce administrative costs and problems. This is probably the most useful service that the experience has proven to be of benefit and success from cloud services, so people are more interested in designing mobile applications.

E-commerce payment system:
One of the reasons why Apple's store has been successful is the adoption of a clear and user-friendly payment system, which has made it very successful, but with the maturity of the mobile market, many app developers have had an eye on Apple's financial system, looking to use alternative payment systems. Many cloud providers have emerged, making it easier for application developers to do business with customers.

Cloud service providers

There are many companies that have a great impact on providing cloud computing services over the Internet. These companies include:

Microsoft Corporation: Microsoft offers all of the services that can be delivered through cloud computing, and it ranks first in terms of the largest companies in this field.
Amazon: This is known as Amazon Web Services (AWS). This company has achieved significant financial returns in one year.
International Business Machines Corporation (IBM): IBM has transferred its vast software expertise to cloud computing.

This was a quick overview of Cloud Computing, its components, types, advantages, disadvantages, and how you can use the most of it in your company, office, or even your personal use.

By: Mahtab Alam Quddusi
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