WebFund 2015W Lecture 24

Notes

Administrative

• Optional review session in SC 103 (Steacie Bldg), Friday, April 10, 2-3:30 PM
• Assignment 10 solutions will be discussed in the review session (and posted then)
• Assignment 8 and 9 solutions are posted
• Final exam is on Tuesday, April 14th in Alumni Hall, rows 1-13

The Future

Before the web

• The Internet started late 1960s-early 1970s
• Web is 1993
• LAN protocols: file sharing (NFS), directory services (yp), remote login (rsh), remote "desktop" (X windows)
• WAN protocols: file transfer (ftp), email (smtp), remote login (telnet), net news (UUCP)

Why the web?

• hypertext - linked information
• many older systems: MEMEX?, Xanadu, gopher, WAIS
• what was different about the web?
  • presentation-oriented markup ("pretty" documents) - HTML
  • IMAGES
  • simple to implement renderer (browser) and network protocol (HTTP)
  • stateless: scalable servers
  • URLs