© Anthony J. Nowakowski, Ph.D. The Internet © Anthony J. Nowakowski, Ph.D. Internet A world wide connection of computers including EDC 601 Instructional.

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Presentation transcript:

© Anthony J. Nowakowski, Ph.D. The Internet

© Anthony J. Nowakowski, Ph.D. Internet A world wide connection of computers including EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. EDC 601 Instructional Technologies Internet A world wide connection of computers including supercomputers,

© Anthony J. Nowakowski, Ph.D. EDC 601 Instructional Technologies A world wide connection of computers including supercomputers, mainframes, Internet

© Anthony J. Nowakowski, Ph.D. A world wide connection of computers including supercomputers, mainframes, workstations, Internet EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. Internet A world wide connection of computers including supercomputers, mainframes, workstations, and even individual personal computers. EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. Internet A world wide connection of computers including supercomputers, mainframes, workstations, and even individual personal computers. (Servers not clients) EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. What services does the Internet offer? EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. Internet Actually, Collection and Distribution Actually, Collection and Distribution The “2 C’s” EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. Internet www groups telnet ftp EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. electronic mail: Internet www groups telnet ftp EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. discussion groups (usually unmoderated): called: interest groups, Listserv, mailing lists use - (provided by server) Internet www groups telnet ftp EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. news groups/forums (can be moderated ): called: Usenet, Internet News use a “newsreader” - (provided by Outlook Express) Internet www groups telnet ftp EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. Internet www groups telnet ftp EDC 601 Instructional Technologies telnet: is used to connect to remote sites i.e. telnet snybufaf.buffalostate.edu

© Anthony J. Nowakowski, Ph.D. Internet www groups telnet ftp EDC 601 Instructional Technologies file transfer protocol: used to transfer files between computers

© Anthony J. Nowakowski, Ph.D. telnet: is used to connect to remote sites i.e. telnet snybufaf.buffalostate.edu Internet www groups telnet ftp EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. world wide web: can be multimedia sites viewed by browsers such as Firefox or Internet Explorer Internet www groups telnet ftp EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. EDC 601 Instructional Technologies How do I connect to the Internet?

© Anthony J. Nowakowski, Ph.D. This question can be answered on several different levels: Protocols Hardware Software Connection Provider EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. Underlying Protocols Internet –TCP/IP - Transmission Control/Internet –POP - Post Office –IMAP - Internet Message Access –SMTP- Simple Mail Transfer Web –HTTP - HyperText Transfer EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. Underlying Protocols Files –FTP - File Transfer Terminal emulation –TELNET We will not worry about the technical aspects of these protocols. We will not worry about the technical aspects of these protocols. EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. Hardware Modem –phone/cable NIC (LAN) –“hardwired” Server – to which you connect EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. Software Low-level –TCP/IP & SLIP/PPP support Browser – /Newsreader FTP – 3 rd party or Internet/Windows Explorer Telnet – 3rd party or Windows EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. Software Support –plug-ins/add-ins Plug-ins are software applications that only run within a browser. Plug-ins are software applications that only run within a browser. EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. Software Support –plug-ins/add-ins –helpers Helpers are software applications that can run both within and outside of a browser. Helpers are software applications that can run both within and outside of a browser. EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. Software –compressors/uncompressors  WinZip –editors and converters (as publishers)  FrontPage or Dreamweaver –server(s) (as providers)  IIS or Apache Support –plug-ins/add-ins –helpers EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. Connection Phone Cellular 128Kbps POTS (Plain Old Telephone Service ) 56Kbps ISDN (Integrated Services Digital Network) 64Kbps - 128Kbps xDSL (Digital Subscriber Line) 128Kbps – 1,500Kbps (1.5M) EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. Connection Satellite 700-1,000Kbps download Kbps upload Cable 4-6Mps (download) Kbps (upload) NIC (LAN) 10/100/1,000Mbps EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. Connection Dedicated high-speed phone lines T1 – 1.5Mbps (24 x 64Kbps) T3 – 43Mbps (28 x T1) EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. Connection Future I2 (Internet2) Collaborative effort between more than 365 US universities (UB), several US Government agencies, and leading computer and telecommunications companies — 100Gbps per second connections. EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. Provider Institution/Organization OSP (Online Service Provider) ISP (Internet Service Provider) EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. Internet Educational Institutions (BSC) Mainframe(s) PC LANs Internet access provided Free??? EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. Internet Mainframe with own databases Internet access provided $ Flat rate for initial ? hours $ per additional hour (AOL or MSN) Online Service Provider EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. Internet (NetZero) Powerful PC or Workstation Internet access provided $ Flat rate Internet Service Provider EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. Internet Powerful PC or Workstation Internet access provided $ Flat rate Internet Service Provider (Cable/DSL) EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. Internet Educational Institutions Internet Service Provider Online Service Provider EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. Internet ???Mbps (T1/T3/??) EDC 601 Instructional Technologies NetZero 56Kbps (POTS)

© Anthony J. Nowakowski, Ph.D. 100Mbps (CAT5/USB) Internet ???Mbps (T1/T3/??) ???Kbps (coaxial cable /FiOS) Time-Warner Verizon EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. 100Mbps (CAT5) 100Mbps (CAT5) Internet ???Mbps (T1/T3/??) ???Kbps (coaxial cable) Time-Warner 11Mbps (Wi-Fi) EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. 100Mbps (CAT5) 100Mbps (CAT5) Internet ???Mbps (T1/T3/??) ???Kbps (coaxial cable) Time-Warner 54Mbps (Wi-Fi) EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. EDC 601 Instructional Technologies (Time-Warner)

© Anthony J. Nowakowski, Ph.D. EDC 601 Instructional Technologies Protection

© Anthony J. Nowakowski, Ph.D. cceptable se olicy AUPAUP AUP EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. “An acceptable use policy (AUP; also sometimes acceptable usage policy) is a set of rules applied by many transit networks which restrict the ways in which the network may be used. A well known example is NSFNet which does not allow commercial use. Enforcement of AUPs varies with the network. AUPs are also used by schools, corporations, and other concerned with a large user base and multiple computers, delimiting what is and what is not permitted for use of the computers. Most providers of services on the Internet include an AUP as one of the key provisions of their terms of service. Acceptable use policies are also integral to the framework of information security policies; it is often common practice to ask new members of an organization to sign an AUP before they are given access to its information systems. For this reason, an AUP must be concise and clear, while at the same time covering the most important points about what users are, and are not, allowed to do with the IT systems of the organization. It should refer users to the more comprehensive security policy where relevant. It should also, and very notably, define what sanctions will be applied if a user breaks the AUP. Compliance with this policy should, as usual, be measured by regular audits.” EDC 601 Instructional Technologies According to W IKIPEDI A:

© Anthony J. Nowakowski, Ph.D. maine.maine.edu/~usrsrv/satpolcy.html A “How to” site: Some AUPs: EDC 601 Instructional Technologies

© Anthony J. Nowakowski, Ph.D. “Filtering” Software EDC 601 Instructional Technologies