- September 15, 2023
Cloud computing is a model which enables, convenient on demand network access to computing resources like network, servers, storage, applications and services released with service provider interaction.
Models of cloud computing:-
There are three main service models of cloud computing those are Infrastructure as a Service (IaaS), Platform as a Service (PaaS) and Software as a Service (SaaS).
IaaS(Infrastructure as a Service):-
It gives users access to storage networking, servers and other computing resources via the cloud, while the user is still responsible for managing their applications, data, middleware etc. IaaS provide automated and scalable environments that provide a high degree of control and flexibility for the user.
e.g. AWS(Amazon Web Services), GCE(Google Compute Engine)
PaaS(Platform as a service):-
A platform service provider gives access to a cloud based environment in which users can develop, manage and deliver applications. In addition to storage and other computing resources, users are able to use prebuilt tools to develop, customize and test their own applications.
e.g. SAP, Google App Engine etc.
SaaS(Software as a Service):-
It provides software and applications through the internet. So there is no need to install applications on the devices. The applications will reside on a remote cloud network and they are accessed through the web or an API.
e.g. Google’s G suite, Slack, Dropbox etc.
Types of Cloud Computing:-
There are three basic types of deployment of cloud computing those are Public, Private and Hybrid.
1.Public Cloud:- In public cloud, all the services and supporting infrastructure are managed off-site over the internet and shared across multiple users. Public cloud is more efficient and inexpensive than private and hybrid cloud solutions. e.g. Amazon Elastic cloud, Blue cloud, Google Cloud platform.
2.Private Cloud:- As the name suggests private cloud provides I.T. services to selected users using internet or a private network. All the data is protected behind the firewall. Private cloud solutions are preferred for enhanced security and privacy by the users.
3.Hybrid Cloud:- Hybrid cloud environment combines both Public and Private cloud elements. The clouds in a hybrid environment communicate over an encrypted connection and allow for the portability of data and applications. Hybrid cloud are more flexible than that of public and private cloud solutions.
Benefits of cloud computing:-
1.Cost saving:- Cloud computing solutions are inexpensive than the actual overall infrastructure set up for the I.T. services.
2.Reliable:- Cloud computing solutions are more reliable than in-house I.T. infrastructure.
3.Mobility:– Cloud computing solutions are more portable because user can access data anytime, anywhere as required.
Cloud computing trends:-
There are some real time challenges faced in traditional cloud computing such as security problem, multi cloud management, increased latency and disaster recovery, which are overcome by upcoming trends in cloud computing. Those trends are as following:-
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