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HOME - Lelu.ee mänguasjade pood, beebitarbed, lastekaubad internetist
What Happens When You Visit An Internet Web Site?

What Happens When You Visit An Internet Web Site?

Time For Many Alphabet Soup

When you type an address into your web browser, or select a link in a web page, you"re making a demand for a particular file. Managed by the Hyper Text Transfer Protocol (HTTP), your request is sent over the Internet to the machine that keeps the document you would like. Assuming all goes well, the machine will respond by giving the record, often a web page composed of graphics and text.

Exactly what is HTTP? It is the main Internet Protocol (IP) suite, and is employed by a "client," such as a browser, to determine a connection with the server that hosts a specific site. Because it waits for incoming requests the host displays TCP port 80.

Contacts on the Internet that allow 2 computers to exchange data are made by the Transmission Control Protocol (TCP). TCP is prepared to identify the requesting computer, and to effectively transfer information to its location. Browse here at the link http://www.ask.fm/ to research where to recognize it. Get additional information on a partner web page - Click here: http://ask.fm/swellmarketing info.

Server To Internet Browser -- Behind The Scenes

A few TCP ports are available with standard uses. For example, TCP Port 21 is generally reserved for FTP (File Transfer Protocol) for downloading and uploading files. Port 80 is generally useful for HTTP.

In the event the server receives a request sequence on TCP port 80 in-the type of GET / HTTP/1.1 it"ll send a response signal, depending on perhaps the requested website is available or maybe not. A typical request will appear like this:

GET /faq.html HTTP/1.1

Host: http://www.mywebsite.com

This can be a request the page "faq" around the host site "mywebsite." The "host" should be chosen to tell apart between internet sites that are managed on shared computers. If faq.html can be acquired, the machine can respond anything like:

HTTP/1.1 200 OK

Date: Mon, 12 October 2005 22:38:34 GMT

Server: Apache/1.3.27 (Unix) (Red-Hat/Linux)

Last-Modified: Wed, 08 Jan 2003 23:11:55 GMT

... Followed closely by the specific web site.

How Information Gets Where It"s Going

The initial line above, HTTP/1.1 200 OK, implies that the requested web site can be obtained. Other limitations are often returned. Like, the code 404 means the machine can not discover the requested page.

When found, the web-page is sent via TCP like a series of data packets, each with a header that identifies its location and its order within the data stream. The various packets usually takes different routes to reach their destination.

Each is sent through a router, which forms other routers nearby. The information is likely to be delivered through another, If a reference to the first switch is unavailable. This permits the information to attain its destination as quickly as you are able to.

What Are The Results When I-t Gets There

If the internet browser receives the data, it sends right back an acceptance. This ensures that all the boxes have been received inside a certain time. Or even, they"ll be re-transmitted from the host. TCP also checks to be sure the information is undamaged. Browse here at the link ask.fm/swellmarketing/ to read the purpose of it.

The data is then reassembled in the proper order, due to the sequence number of each and every data packet.

And Presto! The internet site appears on your monitor, usually in a few seconds..

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