Transcript Lecture 1

Lecture 1
Introduction
Instructor
 Name:
Seokwoo Song
 Office: COBA 524
 Phone: 817-272-7398
 Office Hours:

M W 4:30 – 5:30 PM
or by appointment
 Email:
[email protected]
 Website: http://www.uta.edu/faculty/ssong/
 Required
Textbook
Michael Palmer, Hands-On Networking
Fundamentals, Thomson Course Technology,
2006.
Evaluation


Exam 1
Exam 2
Exam 3
Hands-on Project
Assignments

Total



70
70
70
60
30
300 pts
A Brief History of
Communications in the U.S.

1876 - Alexander Graham Bell, invented the first
telephone capable of practical use.
 1885 - AT&T was officially registered

1970 - permitted MCI to provide limited long
distance service in competition to AT&T.
 1984 - divestiture of AT&T
 AT&T ( IXC = Interexchange Carrier)
 RBOCs = Regional Bell Operating Companies
A Brief History of
Communications in the U.S.

1996 - Deregulation Act:


U.S. Congress enacted the Telecommunications Act.
Replaced all the current laws and FCC regulations
Telecommunications Act of 1996

Local telephone industry in the U.S. went from a highly
regulated and legally restricted monopoly to open
competition.

Local service in the U.S. is now open for competition.

RBOCs are now permitted to provide long distance
services.
Communications in the U.S.
 RBOC


= Regional Bell Operating Companies
Pac-Bell, Bell South, Bell Atlantic, NYNEX
US-West, Ameritech, Southwestern Bell

LEC = Local Exchange Carriers

IXC = Inter-exchange carriers


AT&T, MCI-WorldCom, Sprint
GTE - currently known as Verizon
A Brief History of Internet

1969 - Internet started by the US-DoD and was
known as ARPANET
 1983 - Internet split into 2-parts:



Milnet - devoted to military network
Internet - devoted to the university research
1985 - BITNET


Completed by the Canadian government
Links the Canadian universities coast to coast
A Brief History of Internet

1990 - All networks around the world joined
together and formed---the Internet.
 1994 - Status of the Internet:


Almost 4-million servers on the Internet
2001




40 million servers
400 million people
Most Internet-users are young
Most of these users are male/under 35
What is the Internet?
A “network of networks”
 A set of connected devices that communicate
using a given protocol suite called TCP/IP
 No central control although there is central
discussion.
 Every computer has a unique address



IPv4 IP address: 32 bit number presented in four
octets called a dotted quad. Ex: 192.30.250.00
IPv6 or IPng (IP next generation) IP address: 128 bit
number, downward/upward compatible with IPv4
The Old NSF Backbone
A Modern ISP: UUNet
Internet Governance
 There


is no central control but:
Domain name registration (.com, .net, or
.org) is handled by a partnership of the
government and several private firms, ex.
Network Solutions.
Standards and protocols are hashed out
• Internet Society
• Internet Architecture Board
• Internet Engineering Task Force (IETF)