cloud computing

Cloud computing, cloud computing and cloud computing are now terms that are often heard in the field of technology and many organizations tend to use it. But what do cloud computing and cloud services mean, and what benefits do they bring to the organization.

What is Cloud Computing?

Simply put, cloud computing, or cloud computing (Cloud Computing), the use of computing services including servers, storage, databases, network, software, etc. on the Internet (Cloud) to a higher speed, with the ability to Higher security and, of course, more economical access to services. In fact, you use the service as much as you need it and pay for it, and if your organization grows and you can get more service without any hassle and extra costs.

Overview of cloud services

At the moment, companies providing cloud services are divided into the following large 3 types:
  • Infrastructure as a Service (IaaS)
  • Platform as a Service (PaaS)
  • Software as a Service (SaaS)
Cloud Service Overview

Infrastructure as a Service (IaaS)

“Infrastructure as a Service”. According to  Amazon,  this is the most basic level of cloud computing, and usually, the IaaS service provider will sell you something related to the network, computer (virtual machine or real depending on demand), as well as storage space. More precisely, you can rent a “cloud server” with  CPURAM, hard disk ( SSD or  HDD ) depending on the demand. And so, you have a Server, and the question is  Server installed in which data center, how many air conditioners are there for cooling, which telecommunications network is in use … you don’t need to worry about that anymore. You already have  Server and you can use it.
Vultr or  DigitalOcean are typical services for  IaaS. You go in and select a server, then you need to select and install an operating system after you have chosen to install other required software for your application. If you are using that server for your website, then you need to install the software associated with the  Web Server, …
Thus, IaaS is not made for the end-user, but mainly for those who want to have a place to deploy their software, perhaps a programmer, a company, or for example a  web publisher.

Platform as a Service (PaaS)

Platform as a Service (PaaS) is a slightly higher level than  IaaS. In case you buy an IaaS service,   you are provided with a server. But to deploy your web application, you need to install many related things yourself, such as  Web ServerDatabase, … the installation data depends on which programming language your web application was developed in ( Java.NetPHP, .. ), and only after the installations are complete can you deploy your application.
So why not use a PaaS service to select a Platform that is already installed and suitable for your application. In this case, you are provided with the required platform for deploying your web application.
SaaS-paaS-IaaS
There are many PaaS service providers that do not allow you to have a server, they just provide you with a platform for you to deploy your application, in this case, you are using 1 shared Server with different people. And your database is also located in a storage environment with hundreds of other databases. This reduces your costs, but it can also pose risks and is the main target of malicious attacks to gain unauthorized access to your data.

Software as a Service (SaaS)

Software as a Service (SaaS ). This is the highest level of all types of cloud services. It is an advanced product that is operated and managed by a provider. Simply put, in all cases SaaS service provides software or applications running on the  Internet and can be used by end-users.

A very common SaaS example is Web Email services such as Gmail, Outlook, or Yahoo Mail. Is a perfect product, you can immediately use to send receive e-mail without having to configure the e-mail management server.

Likewise, OneDrive, Dropbox are SaaS. These software (web pages) provide you with all the functions you need, like a hard drive, and you can download your data and retrieve it back over the  Internet.

Google Docs or  Microsoft Online also are of SaaS, are online of Office, and provided free of charge. The software that companies lease for online business management is  SaaS.

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The benefits of cloud computing

We can say that Cloud Computing was the biggest event that changed the way businesses think about how to use IT resources. Here are seven key pointers in moving your cloud computing forward.

1. Low cost

One of the most tangible benefits of cloud computing for organizations is the elimination of the high cost of purchasing software and hardware, setting up a data center, rack, power supply, as well as creating the right temperature conditions for data center equipment and even hiring an IT expert to manage It is a data center. All of this puts a lot of cost on organizations.

2. High speed

Most cloud services are provided to users as self-service and on-demand. So a large number of resources at a time can serve you. In fact, with just a few simple clicks, you can get different services according to the needs and size of the organization.

3. The right size for your needs from the best geographical point

One of the biggest benefits of Cloud Computing is its size and scale to fit your organization. In other words, when we talk about cloud, it means that cloud provides you with exactly the amount of IT resources you need. Another important point is that this amount of appropriate service is given to you from Hammam geographical area, which is the best option in front of you.

4. Optimal use of IT expert force

As mentioned earlier, setting up a datacenter in both hardware and software and supporting the IT team imposes a high cost on the organization. However, thanks to cloud and cloud computing services, you can minimize these costs and shift the focus of your organization’s IT team to more important organizational goals.

5. Better performance

First of all, it should be noted that cloud computing services are on the Internet and therefore based on secure Internet data centers on the Internet. These data centers are constantly being upgraded and equipped with the latest, fastest and most efficient hardware. So better performance is not at all unexpected.

6. Reliability

It is much easier to back up data, recover data in times of crisis and natural disasters, etc. through cloud services. In fact, in the cloud, the data is stored on several additional sites (centers that act as a backup and redundant sites) and this will increase the reliability of the data.

7. Security

Cloud computing, thanks to its set of policies, technologies and controls, enhances the security of its users and protects their data, applications and all information against possible attacks.

Some limitations of cloud computing

Everything has two sides, good and bad. So is cloud computing:
Confidential rights issue. Do you believe in  OneDrive enough to keep all your data there? Do you believe in  Gmail to keep all your important work-related emails, and just one email leak can make you lose your company? Do you believe in online accounting software enough to keep all of your records there and ensure that the data is not sold to a competitor? For the individual user it may not be important, but for the company, it is terrible, which is why many enterprises are still considering using  “clouds”  even though they know this solution will save them a lot of costs.
Worry about downtime. NO ONE cloud provider can guarantee you that their server will run 100% continuously and never stop. Large companies like  Facеbook or  Google also cannot guarantee that their service is 100% continuous. In such cases, you just have to relax and there is nothing you can do.

Disadvantages of cloud computing

Although cloud computing brings many benefits to the organization, some organizations may not be interested in using cloud services for a variety of reasons. In fact, using the cloud is not always the best choice for the organization, and if you know exactly what service and how much you need it, sometimes buying a server and setting up service will cost you less than renting it. Therefore, in terms of cost, it is better to pay attention to your needs and have a good choice between buying a server and setting up a service or using the cloud.

On the other hand, some organizations have no interest in putting their sensitive data on the cloud so that they may be used by competitors for some reason.

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