The World Wide Web (www in short) is an information system designed specifically for posting useful information which can be used with ease of use and document interchange in mind. HTML (Hypertext Markup Language) is develop for this purpose. HTML was based on subset of the Standard Generalized Markup Language (SGML). To transfer HTML documents to remote sites, HTTP (hypertext transfer protocol) was devised.
HTTP offers a means of moving from document to document and indexing within documents. The power of hypertext is its simplicity and transparency.
Users can navigate through a global network of resources at the click of a button. Hypertext documents are linked together by keywords or graphical icons in the document. When a new word or idea is introduced, you can jump to another document containing complete information on the new topic. Readers see links as highlighted keywords or images and use these links to access additional documents or resources.
Using the Web’s hypertext facilities, you have the freedom to supply information to readers in powerfully innovative ways. Web publications, these days, use many of the Web’s graphical, interactive, and multimedia features. However, ways to publish on the web are changing continuously.
http://www.webtradez.com
WEB HOSTING-
Depending on the software given by the Internet Service Provider (ISP), you may be able to host your Web site on the internet. Before you can upload your web pages you need to have the following:
1. Space on a web server
2. Procedures for uploading web files
3. The software needed for uploading web files.
Some Internet Service Providers give you a definite amount to space as part of your monthly subscription. You may get megabytes of web storage space, which means you can create as many web pages as you want to for your own business, for clients, for who so ever needs it.
Some web service providers support Microsoft extensions. It means you can use Microsoft’s Web Publishing Wizard to publish your HTML files to the directory on the Internet reserved for your web page. Other Internet providers require that you use FTP or another utility to place the files where they need to go. Therefore, you should contact your ISP for detail.
DOCUMENT INTERCHANGE STANDARDS-
Every network and every computer in the networks exchange information according to certain rules called protocols. These different computers and different networks are united with the common thread of protocols to exchange their information over the network.
With a connectionless protocol, clients connect to the server, make a request, get a response, and then disconnect. For the internet, HTTP is a connectionless protocol.
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With a connection-oriented protocol, clients connect to the server, make a request, get a response, and then maintain the connection to handle future requests. An example of a connection oriented protocol is File Transfer Protocol (FTP). When you connect to an FTP server, the connection remains open after you download a file. The maintenance of this connection consumes system resources. A server with too many open connections quickly gets over-loaded. Consequently, many FTP servers are configured to allow only 250 open connections at one time, so only 250 users can access the FTP server at once.