Which way does a request after I entered the URL in the browser? Unique coordinates for the Internet are of course a request of a domain domain. In your Internet browser, the user is not a complex IP’s, but a catchy name like for example online-artikel.de. The PC of the user accesses files on DNS and looks either directly in the DNS system after or takes on these DNS servers, the DNS root server for the selected zone is responsible. Then he asks root server DNS at this, on whose DNS root server, the content for this domain are stored and requests this DNS root server. Usually cache DNS root server even queried domain/IP combinations which eliminates the last query. Depending on the computer gets back the Internet number by the invoked service (Web, mail, or other).
In Europe, these IPs are assigned by RIPE carrier and other members. In the routers, which are as it were the synapses of the Internet, who is used to determine on which route the IPs are available. The request by the PC will be the Send surfers to the next router. This router has the information about the way of the domain in a large table and sends the request to the next router on the path. So the query reaches rack, where the root server of the website operator, is to find the pages in the domain on the in the. Forwarding the request by means of switch takes place in the rack itself.
Passes the query to the root server, Apache is passed to the them. The Apache is a file management software on UNIX servers. The Apache look and the domains are stored in what folder on the server. There he reached the saved Web pages and sends it back to the next router. This router will take under certain circumstances to the PC of the surfers an arbitrary path. Ultimately, the content end up in the chrome of the surfers, who represents them according to its Protocol. This whole process takes usually only fractions of a second. The contents appear in your browser. As soon as you click another reference, the whole process repeats itself. This is the way of the call to a domain.