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

Prepare a lan from a set of stand-alone computers, Question 1: Describe...

Question 1: Describe the following terms in your own words: a. Internet b. WWW c. Intranet

Internet protocols control protocols ipcp, Internet  Protocols  Control P...

Internet  Protocols  Control Protocols ( IPCP)  The  internet  protocols  control protocols  establishes  configures and terminates the TCP/ IP network  protocols  layer in a PPP

Explain the anonymous ftp, What is anonymous FTP? Anonymous FTP is a wa...

What is anonymous FTP? Anonymous FTP is a way of granting user access to files in public servers. Users that are permitted access to data in these servers do not require identi

How to configure the ethernet interfaces on the host pc, How to Configure t...

How to Configure the Ethernet Interfaces on the Host PCs Configure the Ethernet interfaces of PC1, PC2, PC3, PC4, PC5, and PC6 with the IP addresses and default gateways indica

Reliable data transfer over a perfectly reliable channel r, Reliable  dat...

Reliable  data transfer  over a perfectly reliable channel rdt 1.0 First  all consider  the simplest  care in  which  the underlying  channel  perfectly reliable.  The protoco

Give the examples of the session layer, Session layer examples  are Netbios...

Session layer examples  are Netbios Names, SQL, NFS, X Windows, and RPC.

Internet service provider (isp), Internet  Service Provider (ISP) Thi...

Internet  Service Provider (ISP) This  supper fast  network  spanning  the world  from  one major  metropolitan area to another  is provided  by a handful of national internet

What is an object server, With an object server, the Client/Server applicat...

With an object server, the Client/Server application is taken as a set of communicating objects. Client object commune with server objects using an Object Request Broker (ORB). The

Define the tasks for which sns is used, Define the tasks for which SNS is u...

Define the tasks for which SNS is used SNA can be used for the following types of tasks: -  Terminal access to mainframe and midrange computer applications. -  File trans

What are the benefits of networking, What are the benefits of Networking? ...

What are the benefits of Networking? The following are the distinct notes in favor of computer networking. a. The computers, staff and information can be well managed b.

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