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Introduction to Medicine and the Internet
 

Introduction to Medicine and the Internet

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Introduction to Medicine and the Internet Introduction to Medicine and the Internet Presentation Transcript

  • Medicine and the Internet Don Nelson and Gordon Baustian
  • Overview
    • What is the Internet?
    • How did it come about?
    • What can it do for physicians?
    • How can I get connected?
    • Prospects for the future
  • What is the Internet?
    • A loosely organized, but effective, network of computers and smaller networks
    • A set of rules (protocols) for computers to make connections to other computers and to request and transfer information
    http: ftp: gopher: udp: ppp: pop: Telnet: TCP/IP
  • How we got the Internet
    • Department of Defense support for computing research
    • (Defense) Advanced Research Projects Agency: ARPANET (1969)
    • Share expensive experimental computers ($$$) among researchers
  • How we got the Internet
    • The Cold War
    • Need for “disaster-proof”network
    • Decentralized
    • Reconfigure itself
    • Work around outages
  • Terminology
    • Hosts / Servers
      • Systems that supply information
      • More-or-less permanent connection to the Net
    • Clients
      • Systems that request information
      • May be intermittently connected
    • One system may play both roles
  • How it grew!!
    • The PC revolution -- Cheap computers!
    • Millions of users
    • Hypertext
    • The World Wide Web (WWW)
  • Hypertext
    • Ability to embed references to other documents
    • References “Links” are active
    • Move from one item to another by selecting a link
  • Hypertext
    • This is ordinary text from a Web Page
    • This is hypertext
  • Hypertext
    • HTML Hypertext Markup Language
      • Create documents with links to other documents
    • HTTP Hypertext Transfer Protocol
      • Send HTML documents from one computer to another
    • One resource can “contain” others anywhere
    • Hence “World Wide Web”
  • What is a URL?
    • Uniform Resource Locator
    • An address to any item on the Internet
    http://www.microsoft.com/index.htm Name of host computer The item requested Protocol to use
  • What do I need?
    • Computer
    • Modem or other connection
    • Software -- Browser
      • Netscape Navigator
      • Microsoft Internet Explorer
    • Internet provider
      • Compuserve, America Online
      • Physicians Online
      • Local provider: CR Library, etc.
  • What Lies Ahead?
    • Patient education on line
    • Secure transactions
    • Access to medical records?
    • Patients schedule own appointments?
  • Internet Protocols World Wide Web == HTTP protocol User client -- browser Opera, Mozilla, Netscape, Internet Explorer WWW is only a small part of Internet !!! AOL and MSN are not Internet at all !!! Internet AOL MSN gateway gateway Internet Services Providers give you full Internet archive.salon.com/tech/feature/2001/06/26/locking_up_the_web/index3.html
  • Internet Protocols World Wide Web == HTTP protocol User client -- browser Opera, Mozilla, Netscape, Internet Explorer WWW is only a small part of Internet !!! AOL and MSN are not Internet at all !!! Internet AOL MSN gateway gateway Internet Services Providers give you full Internet archive.salon.com/tech/feature/2001/06/26/locking_up_the_web/index3.html
  • Internet Protocols Web Browsers web standards are important for compatibility longevity of websites, and future development Opera and Mozilla are W3C compliant Internet Explorer violates the standards (version 6 may comply) has many security holes Netscape 4 is incapable to view modern websites Netscape 7 is a commercialized version of Mozilla 1.0 Replace Netscape 4 with Opera or Mozilla! MSN
  • Internet Protocols World Wide Web == HTTP protocol User client -- browser Opera, Mozilla, Netscape, Internet Explorer WWW is only a small part of Internet !!! AOL and MSN are not Internet at all !!! Internet AOL MSN gateway gateway Internet Services Providers give you full Internet archive.salon.com/tech/feature/2001/06/26/locking_up_the_web/index3.html
  • Internet Protocols Web Browsers web standards are important for compatibility longevity of websites, and future development Opera and Mozilla are W3C compliant Internet Explorer violates the standards (version 6 may comply) has many security holes Netscape 4 is incapable to view modern websites Netscape 7 is a commercialized version of Mozilla 1.0 Replace Netscape 4 with Opera or Mozilla! MSN
  • Internet Connectivity A decent ISP must give a client: o SMTP address to send email o POP3 address to access the mailbox o NNTP address to get Newsgroups Additionally: o Space to host website at ISP’s IP address o FTP access to update website Optionally: o Fixed IP address for hosting own website
  • Internet 2
    • Consortium of 206 universities along with industry and the government designing a more advanced internet
    • Will allow for revolutionary internet applications
    • Will not replace the current Internet
    • Federal Government also developing the Next Generation Internet (NGI)