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How Web Pages Retrieve from Web Server

Page 6 : Destination Host Server Accept Client's Request

Host Server Accept Client's Request

Once, the host server accept the request. The server prepare the transfer of data to the client side (your computer). The following happen :

  • The webpage is broken up into a whole lot of same-sized packets. There's a parameter that controls the maximum-sized packet allowed in a transmission. It's usually set to somewhere around 1K bytes. Therefore, short webpage can often be handled as one packet only.
  • A header is added to each packet. Basically, the header will contain the information of the sender address, the destination address, and checking code, etc.

Packets Sending Back to Client's Computer

Now, the requested webpage is packed into a number of packets. They can start the journey to your computer right now!

Then, the packets are sent from Router to Router on the internet along it's way to destination. Each Router along the way will also decides where next to send the packets, also choosing the least busy and most efficient ways.

The packets may travel through the local and regional networks from their home country, then probably reach the Internet Highways - "Backbone" where the packets travel with full speed. Finally, the packets may travel to another local and regional networks in your country and reach the client host (your computer).

Display The Webpage On Your Screen

At our computer, the packets are received and examined. If there are any packets damaged or missing, a message is sent asking for those packets to be resent. This process continues until all the packets have been received.

The packets are re-assembled into the original document and displayed on your computer monitor's screen.

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