This was an introduction to what is the Internet. Clicking on the Internet sends the lecturer to the second page where the table on the right reveals the parts. For example, cookie shows the interaction beyween the server and client.

> Server HTML Page Web Architecture Identification Each resource has a unique URI Interaction Syntax and Semantics of Messages across the network (HTTP) Representation (Formats) Representation of data transmitted across the network (XML, XHTML, CSS, PNG, SVG, SMIL) Browser displays page Internet Requests page Returns page Ethernet IP IP TCP TCP 80 HTTP MIME HTML Version Each layer indicates the protocol above that it transmits
Teaching SVG1