Ajax, Computer Networking

Assignment Help:

Ajax is a relatively new set of techniques that, in a sense, implement some of the functionalities originally provided by RPC. Ajax is primarily used to build web applications with good performance and interactive responsiveness. The name comes from "Asynchronous JavaScript and XML" (though the general technique doesn't necessarily need to use JavaScript or XML).

The idea is to use JavaScript (or the equivalent) to run a web application in your browser, and do as much as possible on your computer, minimizing data exchanges over the network. Typically, Ajax applications are designed so that most data exchanges can be asynchronous and in the background. This means that you will be able to keep doing useful work with the application even on a relatively slow network connection.

Ajax resembles RPC because most of the processing can be done "remotely" on the client, instead of on the server. A good example of this technology is Google Maps. One reason why Google Maps works so well is because it explicitly uses the fact that most users own a fairly fast computer, and thus lots of the actual processing can be done locally. The user just needs to fetch asynchronously each piece (tile) of the map, and, when these are received, he or she can process them locally. If, on the other hand, we were to send every mouse movement to Google, and expect all processing to be performed remotely, we would end up with a very slow and impractical system. Notice that because Ajax is asynchronous, it scales very well with slow connections. Ajax does not block waiting for pieces of data to arrive beforemaking the systemusable. Instead (in the case of Google Maps), we notice that the user is allowed to manipulate the map (panning around, zooming in, etc) even when the map itself has not yet been completely received.


Related Discussions:- Ajax

describe the mips instructions - computer architecture, 1.  Detail for eac...

1.  Detail for each of the four following MIPS instructions, which actions are being taken at each of their five steps.  Do not forget to mention how and during which steps each in

Determine sonet devices, Sonet Devices STS Mux or DMux either multiplex...

Sonet Devices STS Mux or DMux either multiplexes signals from multiple sources into an STS or demultiplexes an STS into different destination signals. Regenerator is a repea

Effectiveness of data communications, Efficiency of a data communications s...

Efficiency of a data communications system depends on three fundamental characteristics - Delivery: The system should deliver data to the correct destination. Data should be r

Fundamental of network , Fundamental of Network The  concept  of netw...

Fundamental of Network The  concept  of network  is not  new. In simple  it means an interconnected set  of some  objects. For decades we are familiar with the radio,  televi

Computer nework critira, what is compurter network and types, topology, com...

what is compurter network and types, topology, communication media

How does a token-passing protocol works, How does a Token-Passing Protocol ...

How does a Token-Passing Protocol works? The token-passing protocol relies on a control signal known as the token. A token is a 24-bit packet that circulates throughout the net

Define pptp (point-to-point tunneling protocol), Can you define PPTP (Point...

Can you define PPTP (Point-to-Point Tunneling Protocol)?

Determine the term- web server and webmaster, Determine the term- Web Serve...

Determine the term- Web Server and Webmaster Web Server: A host computer that stores Web pages and responds to requests for viewing. Web servers communicate with Web browse

Process management, Bootstrapping all the processes and establishing correc...

Bootstrapping all the processes and establishing correct lines of communication is, by itself, the toughest aspect of this assignment. Before writing any code you should think care

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd