Behind The Scene of URL

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The URL term definitely him has been close on our ears. He will definitely be used by us if accessing an object for example the Web page in the Internet. For example http://www.google.co.id was URL that was used by us if we wanted to access Google. What actually the benefit from URL? And how his process with typing URL we could see the document that was wanted by us?
URL was the abbreviation from the Resource Allocates Uniform, consisted of information about how and where the document that was wanted by us will be accessed. How will the document be accessed was reflected in the part schema of URL for example http, ftp or telnet. Information about where the location of the document that was wanted was gotten to DNS name Or possibly with IP address .

The normal structure was used for URL was depicted to The picture 1 . To undertake URL like available to the picture, if only was gotten DNS Name (for example www.cs.vu.nl) then DNS Name This will be looked for before IP address From Server The aim. With Port number That was met to URL, Client Could contact Server The aim made use of protocol that was received in the part Scheme , and gave the name of the document that was wanted that was received in the end part of URL.

Http URL was used for the transfer of the document made use of HTTP, whereas Ftp URL was used to File the transfer Made use of FTP. URL also was used to apart from the transfer of the document, for example then Telnet URL that was used to Setup Telnet session To Server Or Tel URL that was used for based communication telephoned. The modem URL was used to Setup The connection was based on the modem with the other computer.