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HOW THE WEB WORKS
Monday, April 15, 13
Every machine on the Internet has a
                       unique identifying number, called an IP
                       Address. A typical IP address looks like
                       this:

                               216.27.61.137


Monday, April 15, 13
WEB SERVERS


Monday, April 15, 13
Monday, April 15, 13
Monday, April 15, 13
Monday, April 15, 13
Monday, April 15, 13
PROTOCOLS


Monday, April 15, 13
1. HTTP hypertext transfer protocol

                       2. FTP file transfer protocol

                       3. Email Related

                          1. IMAP Internet Message Access Protocol

                          2. POP3 Post Office Protocol

                       4. Other Examples

                          1. RTMP Real Time Messaging Protocol

                          2. SMB Server Message Block
Monday, April 15, 13
WEB BROWSERS


Monday, April 15, 13
The browser application retrieves or fetches
                       code, usually written in HTML (HyperText
                       Markup Language) and/or another language,
                       from a web server, interprets this code, and
                       renders (displays) it as a web page for you to
                       view.




Monday, April 15, 13
Monday, April 15, 13
Monday, April 15, 13
Monday, April 15, 13
Flash / Silverlight




                                                        HTML                  jQuery



               Server technology
                                                           CSS   Javascript
                                                                                         Browser technology


                                         Rails/Django
                   PHP / Python / Ruby




Monday, April 15, 13

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How the Web Works