Online Cloud Computing Cloud Computing 101.

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Before cloud computing, we have to know what is a cloud. The term Cloud refers to an Internet or a network. In other words, we can tell that Cloud is something which is present at a remote location. Cloud can provide services over a network, which is on public or on private networks, that is, WAN, LAN or VPN. “Applications such as e-mail, web conferencing, customer relationship management (CRM), all run in a ; Cloud Computing:- Cloud computing term is used to refer to a model of network computing where a program (application) runs on connected server/servers rather than on a local computing device such as a PC, tablet or Smartphone. As with either the traditional client-server model or older mainframe computing, a user connects to a server to perform a task. The only difference with cloud computing is that the computing process may run on one or many connected computers at the same time, utilizing the concept of virtualization. That means Cloud Computing refers to manipulating, configuring and accessing applications online. It offers online data storage, infrastructure, and application. There is no need to install a piece of software on our local PC and this is how cloud computing overcomes platform dependency issues. Hence, Cloud Computing is making our business application mobile and collaborative. There are some assured services and models working behind the scene which are making the cloud computing feasible and accessible to end-users. The working models for cloud computing are as follows: Deployment models Service models I) Deployment Models: Deployment models can define the type of access to the cloud, which is how the cloud is located? Cloud can have four types of access: Public, Private, Hybrid, and Community. Public Cloud: It allows systems and services to be easily accessible to the general public. Maybe, a Public cloud is less secure because of its openness, for , e-mail. Private Cloud Private Cloud allows systems and services to be accessible within an organization. It gives increased security because of its private nature. Community Cloud The Community Cloud allows systems and services to be accessible by a group of organizations. Hybrid Cloud Hybrid Cloud is the mixture of the public and private cloud. Wherever the critical activities are performed using private cloud while the non-critical activities are performed using a public cloud. II) Service Models: Cloud Computing is based on Service Models which are the reference models. These can be divided into three basic service models as below: Infrastructure as a Service (IaaS) Platform as a Service (PaaS) Software as a Service (SaaS) There are many other service models also all of which can take the form like XaaS that is Anything as a Service. This can be Network as a Service, Business as a Service, Identity as a Service, Database as a Service or Strategy as a Service. Updated on 28 March, 2023