2. The internet is…
A computer network
consisting of a worldwide
network of computer
networks.
3. Internet History
Internet began in the 1950s.
Internet was first called the ARPANet.
Professor Leonard Kleinrock sent the first ARPANet
message.
The second network was installed by SRI.
Packet Switched networks were created.
ARPANET in particular led to internetworking.
4. Internet History
In 1982, TCP/IP was standardized.
TCP/IP created the Internet.
ARPANET was expanded in 1981.
CSNET was developed in 1986.
ARPANET was expanded again in 1986.
Commercial ISPs emerged.
The ARPANET was decommissioned in 1990.
5. Internet History
Internet was commercialized in 1995.
NSFNET was decommissioned.
Near-instant communication is revolutionized.
Ex: e-mail, instant messaging, VoIP, two-way video.
WWW was also revolutionized.
Ex: forums, blogs, social network, online shopping.
6. Internet History
NSF created vBNS, Internet2, and National LambdaRail.
Global communication skyrocketed over the years from:
1% in 1993
51% in 2000
97% in 2007
Today the internet continues to grow.
7. Requirements for
Internet Connection
Hardware that includes ACPU and RAM storage.
Ex: computer, tablet, phone, iPod.
Software with a TCP/IP product.
Web browser – A program used to view HTML
documents.
Ex: Nexus, Samba, Amaya, Mosaic, Lynx 2.0, etc.
8. Requirements for
Internet Connection
1995: Internet Explorer 1-4, Opera
1998: Mozilla
2003: Safari, Google Chrome
Plug Ins – software that adds features to a computer
Ex: Shockwave, Streaming Media, Java, Adobe
Requirements for Internet Connection
9. Requirements for
Internet Connection
Modems – Hardware used to connect to the internet.
Routers – A device that forwards data packets.
Routers often connect to the modem.
NIC – Connects a computer to the network.
LAN – Connects computers in a local area.
WAN – Connects computers in a geographic area.
10. Requirements for
Internet Connection
ISP: AOL, EarthLink, Citizens, Time Warner, etc.
Mobile Internet:
Sprint
Verizon
Clear
AT&T
Straight Talk
