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Networking

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  • Time Magazine NEVER SAID THAT! This sentence is completely taken out of its context!
    Have a look at that: http://www.time.com/time/magazine/article/0,9171,981132,00.html (the date of the article is wrong - you will notice that when you actually read the article).

    As for Newsweek... http://www.newsweek.com/1995/02/26/the-internet-bah.html :)
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  • Transcript

    • 1. 9 th Grade Computer Science Rotation Mr. Fedder/Mr. Crowley
    • 2. Networking
      • History of Computers
      • Computer Architecture
        • Hardware & Networking
        • Software
    • 3. Networking
      • History
      • How networking works
        • Layers
        • Communication Protocols
        • DNS
        • Tools
      • Internet Growth
    • 4. Networking: Terms
        • Domain
        • Download
        • Upload
        • traceroute
        • ping
        • WAN/LAN
        • FTP
        • Encapsulation
        • Packet
        • Router
        • TCP/IP
        • DNS
        • Bandwidth
        • Baud
        • KB
        • Mbps
    • 5. History of Networking
        • 1994 - Time magazine: “It was not designed for doing commerce, and it does not gracefully accommodate new arrivals.”
        • 1995 – Newsweek : “BAH!” … “baloney.”
      “ THE INTERNET?”
    • 6. Internet Timeline DarpaNet Berners-Lee Mosaic Browser
    • 7. Internet Connectivity - Growth 1991 1992 Jan. 1993 Feb. 1994 Nov. 1994 Jun. 1996 Jun. 1997
    • 8. Networking - Addressing
      • URL
      http://www.friendscentral.org/default.asp [email_address]
      • E-Mail
      File Name Server Name Service Name Mailbox Name Domain Name Top-Level Domain Top-Level Domain Domain Name
    • 9. Networking – Domains
      • Domain Hierarchy
    • 10. Networking – Domains http://www.friendscentral.org org org 65.61.134.112
    • 11. Networking - Types
    • 12. Networking - Internet
      • “ Network of Networks”
      1 2 3 5 4
    • 13. Networking – Routing Single Point of Failure
    • 14. Networking – Routing
    • 15. IP: 192.168.2.161 IP: 192.168.1.5 63.139.238.193 192.168.100.100 216.239.49.214 www.google.com 64.233.161.99 64.233.161.99 Name Server
    • 16. Traceroute 192.168.100.100 63.139.238.193 216.239.49.214 64.233.161.99
    • 17. Networking – Communication Stack
      • Open Systems Interconnection
    • 18. Networking – Communication Stack (cont.)
      • Open Systems Interconnection
    • 19. Networking – Hardware
      • Network Interface Card (NIC)
    • 20. Networking – Data Communication
    • 21. Networking – Communication Stack Data: Network: Name, Address, Phone, Visa, 0231234490987111 Transport: TCP info Name, Address, Phone, Visa, 0231234490987111 TCP info Address Address
      • Data Encapsulation
      TCP info Name, Address, Phone, Visa, 0231234490987111 TCP info “ Segment” “ Packet” How Many Packets? What Order? Who am I? Where do I go?
    • 22. Networking – Communication Stack
      • Data Encapsulation
      Address Hub TCP info TCP info Address DATA TCP info TCP info Address Address DATA DATA Router Router Internet “ Segment” TCP info TCP info Address Address DATA “ Packet” Hub
    • 23. Networking – Communication