• Napster (www.napster.com) is still in the news.
  • Proposed settlement with record companies will probably be rejected.
  • What the record companies don't realize is that real peer-to-peer computing architectures are developing quickly and cannot be controlled by the courts.
• Today we are going to step back take a look the underlying technology.
• The underlying technology is, of course, peer-to-peer (P2P) computing.
• Peer-to-peer computing is an architecture for computers within a network (like the Internet) to communicate directly without going through a central service or server.
• There are three primary P2P Applications, which include:
• Distributed File Storage
  • Napster with centralized directory structure (www.napster.com/)
  • Gnutella with fully distributed structure (gnutella.wego.com/)
  • FreeNet Project with fully distributed structure (freenet.sourceforge.net/)
  • Bearshare with distributed file sharing (www.bearshare.com/)
• Distributed Computing (Computer Cycle Sharing)
  • SETI@home (setiathome.ssl.berkeley.edu/) The search for extraterrestrial life.
• Messaging
  • IRC (www.mirc.com/)
• ICQ (www.icq.com/)
• AOL Instant Messaging (www.aol.com/aim/)
• Microsoft Netmeeting (www.microsoft.com/windows/netmeeting/)
• The primary Peer-to-peer Resources on the Web are:
  • O'Reilly's P2P (www.openp2p.com/)
  • Peer-to-Peer Working Group (www.peer-to-peerwg.org/)
    • Started by Intel
    • Intel voted out of leadership position this month
  • Intel Developer Update Magazine (developer.intel.com/update/)
  • P2P Tracker (www.p2ptracker.com/)
  • Peer-to-Peer Central (www.peertopeercentral.com/)
• Stratford's Wireless Program will launch March 19th. The four course series includes:
  • CIS281 Wireless Telecommunication Networks
  • CIS282 Wireless Digital Communications
  • CIS283 Wireless Signal Processing
  • CIS284 Wireless and Fixed Hybrid Networks
• Plus many questions from listeners.

Feb 17, 2001
RealAudio 0:45hr
Not archived

• Virus of the Week: Anna Kournikova VBS. A visual basic script hidden as a picture e-mail attachment
  • Subject:"Here you have, ;O)"
  • Body: "Hi: Check this out!"
  • Attachment: AnnaKournakova.jpg.vbs
• What can you do to protect yourself?
  • Install latest Virus Protection software (McAfee or Norton). Best protection.
  • Uninstall Windows Scripting Host. Works for VBS viruses only. I use this when working with viruses.
  • Make the registered extensions visible, so you can see the vbs extensions. Go to Windows Explorer/Tools/Folder Options. Uncheck "Hide file extensions for known file types."
• 9th Circuit Court of Appeals Judgment against Napster. Site may be shut down until the trial is resolved.
• How can you get MP3 files?
  • Download from Napster while it is still operational
  • Convert your own CDs to MP3 format with "MP3 ripper" software. Check out MP3.com.
• What can you do with all those MP3 songs?
  • Over 120 MP3 songs will fit on a CD.
  • Burn a CD using a read/write CD burner. Free up hard drive space. Create playlists with subdirectories. Create image of CD on hard drive first. Then copy all subdirectories in one session to a write-once CD.
  • Get a portable MP3 CD player. (Mambo X P300 is about $159.00)
  • You can also play them directly from your hard drive or CD with your computer using an MP3 player. like Windows Media, RealAudio, or WinAmp (my favorite).
• Book of the Week: Website Design Make Easy by Dennis Gaskill. Take a look at his Website. All sorts of tips and free graphics and a newsletter.
• Web Accessibility
  • Web Accessibility Section 508 of the Workforce Investment Act of 1998 takes affect this summer.
  • Federal websites must be accessible to physically disabled, including blind.
  • World Wide Web Consortium has established Accessibility Standards.
• Next class start at Stratford University will be March 19th. Programming and Networking are in demand

• Download Lava Lamp screen saver. Demo version is free. Full version is $15.00. Looks just the one in the Virtual Faculty Lounge!
• Outlook versus Outlook Express. Which one should you use and why?
• How to get a clean uninstall and reclaim hard drive space (McAfee UnInstaller, Norton CleanSweep)
• You can look at a whole list of shareware utilities here.
• Covad drops delinquent ISPs (DSLnetworks and Internet Express). New get tough policy. Cable modem is lookng better all the time.
• Norton Virus Scan Email proxy gives "Failed Connection" error too often. (Version 2000, Version 2001)
• Stratford University News. Website just gets better

• Academic software. Get a full version at the upgrade price. See links from April 15, 2000 Tech Talk show.
• Top level domains (com, net, org, edu, gov, mil). Country level domains (us, it, au, tv, etc.)
• The domain "tv" has been heavily marketed and is becoming as popular as .com.. It is a country level domain for Tuvalu, an island in the South Pacific. "tv" Registrar
• Get your domain name from an Internet Registrar like Network Solutions ($35/year fee).
• Arrange for web hosting with a Web Hosting Service. My favorite host is ValueWeb. $19/month base service, including 20 pop e-mail accounts.
• Stratford University is on the front page of the Internet Society Web Page. Stratford is now an Executive member of the Internet Society.
• Webcheck.dll is missing after some upgrades. Extract from CAB files using Windows extract utility.
• Home networking options (wired Ethernet, wireless Ethernet, and HomePhoneLine Networking). All three technologies are supported by 3Com Home Networking. See links from May 20, 2000 Tech Talk show.