Answer to Question #256882 in HTML/JavaScript Web Application for sagun poudel

Question

List any three technologies that have changed the usage of Internet. List the features of those technologies and the changes that were caused by them

Answer 1

1. Cloud computing.

In a simple sense, when we talk about cloud computing, we mean the provision of equipment and application services over the Internet on demand. Clouds are an alternative to hosting and maintaining your own servers and application software. With cloud computing, businesses only pay for the resources they use, just like when you pay for electricity, you pay only for what you use. Enterprises that host their services and applications in the "cloud" improve the overall efficiency of computer utilization since in the "cloud" the load on the servers that work with remote clients is more optimally distributed. Cloud computing is implemented in several models:

Software as a Service (SaaS) - Providing applications that customers can use over the Internet.

Utility Computing - When storage resources and server capacity are available on demand.

Platforms and Web Services - Providing a platform on which developers can create applications that are accessible to customers over the Internet. In this case, not your server infrastructure is used, but remote servers in the "cloud". Microsoft's Azure platform provides just such an environment.

2. Unified communications.

We live in a world with a lot of connections (perhaps too many at times) with multiple communication technologies vying for our attention. All of these diverse communication technologies have developed and become generally accepted independently of each other. In order to use these technologies, we need to have multiple accounts: one for conferencing, one for email, one for instant messaging, and one for voicemail, etc. This means, most likely, in each of these systems we will have a separate username and password, which we must remember (or write down somewhere). And network and telephony administrators must keep these systems in working order, often with great difficulty, but not always with great success.

A unified communications system integrates all of these disparate systems into a single communications platform. Now your telephony system can not only process your voicemail but also send a notification of a new voice message by mail. A conference call can be established just by clicking the contact's email address. You can see if a colleague is busy or online. You can also receive messages from external chat directly to your internal instant messaging system. A unified communication platform helps users connect with each other and makes life easier for administrators.

3. Virtualization.

Virtualization is both the science and art of making a single physical server serve multiple virtual server roles. Server virtualization is becoming increasingly popular as IT leaders realize the economic benefits of reducing the number of physical servers (and hence the cost of energy, cooling, deployment, environment, and software development). The range of virtualization products is quite wide and includes, in particular, Microsoft Hyper-V and VMware.