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Chapter 1
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55
Computer Networking
Undergraduate 4
12/07/2011

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Term
First Industrial Revolution
Definition
- machinery
- changed the way people worked
Term
Second Industrial Revolution
Definition
- Information Age
- Computers
- Globalization
Term
Collapse information lag
Definition
1850 - information took days
1900 - information took hours/minutes
2009 - information took seconds
Term
Parts to understanding networking
Definition
concepts
technologies
management
Term
evolution of phone technology
Definition
1876 - invention of phone
1915 - transcontinental and transatlantic phone connections
1919 - strowger, switch, rotary dial phones
1948 - microwave trunk lines
1962 - Telstar, faxing, digital transmission
1969 - picturephone (failed)
1976 - packet-switched data communications
1984 - celluar telephone
Term
FCC
Definition
-federal communications commission
- 1934
Term
RBOC
Definition
regional bell operating companies
Term
IXC
Definition
interexchange carrier
-long distance market
Term
LEC
Definition
local exchange carrier
Term
US Telecom Act 1996
Definition
-open local markets to competition
Term
ISP
Definition
internet service provider
Term
WTO
Definition
world trade organization
Term
DBMS
Definition
database management systems
Term
ARPANET
Definition
- original internet
- military academic network
- splits into Milnet (military) and Internet (academic)
Term
telecommuncations
Definition
transmission of voice, video, and/or data
Term
data communications
Definition
movement of computer information by means of electrical or optical transmission systems
Term
broadband communications
Definition
telecommunications and data communications
Term
components of LAN
Definition
-server, circuits, client
-router, HUB
Term
LAN
Definition
-local area network
-room, building
-group of PCs tat share a circuit
Term
BN
Definition
-backbone networks
-links LANs together
Term
MAN
Definition
-metropolitan area networks
-connects LANs and BNs
Term
WAN
Definition
-wide area network
-larger MAN
Term
Intranet
Definition
-LAN with internet within an organization
-only those inside organization only
Term
Extranet
Definition
-LAN with internet across an organization
-invited uses only
Term
single layer implementation
Definition
-large components in complex to understand and implement
Term
multi layer implementation
Definition
-break down into small components
-easier to implement
Term
multi layer network models
Definition
OSI
Internet
Term
OSI
Definition
- open systems interconnection model
- 7 layers
- physical
- data link
- network
- transport
- session
- presentation
- application
Term
TCP/IP
Definition
transmission control protocol/internet protocol
Term
OSI application layer
Definition
- utilities used by application program
Term
OSI presentation layer
Definition
- formats data
Term
OSI session layer
Definition
- initiates, maintains and terminates each logical session between sender and receiver.
Term
OSI transport
Definition
- end to end issues
Term
OSI network
Definition
-routing decisions
Term
OSI data link
Definition
- message delineation, error control, network MAC (media access control)
Term
OSI physical
Definition
- how bits are formatted
Term
Internet 5-layer model
Definition
physical
data link
network
transport
application
Term
Internet application layer
Definition
-used by application program
-ex: HTTP, HTML, MPEG, IMAP, POP
Term
Internet network layer
Definition
-routing decisions
-TCP, SPX
Term
Internet transport layer
Definition
- end to end issues
-IP,IPX
Term
Internet data link layer
Definition
- message delineation, error control, network MAC
-ethernet, frame relay, T1
Term
Internet physical
Definition
- hot bits are formatted
-RS-232c cable, etc
Term
groups of layers
Definition
- application, internetwork, hardware
Term
application (groups of layers)
Definition
OSI - APrS
Internet - application
Term
internetwork (groups of layers)
Definition
OSI - TN
Internet - TN
Term
hardware (groups of layers)
Definition
OSI - DPh
Internet - DPh
Term
protocols
Definition
-standardized rules
-define how to communicate at each layer
-interface with adjacent layers
Term
standardization processes
Definition
specification
identification
acceptance
Term
ISO
Definition
international organization for standardization
Term
ITU-T
Definition
international telecommunications union- telecom Group
Term
ANSI
Definition
american national standards institution
Term
IEEE
Definition
institute of electrical and electronic engineers
Term
IETF
Definition
internet engineering task force
Term
emerging trends in networking
Definition
-pervasive networking
-integration of voice, video and data
--new information services
Term
ASP
Definition
application service providers
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