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CHAPTER 2 E-BUSINESS TECHNOLOGY BASICS (IP Addressing (Internet protocol…
CHAPTER 2
E-BUSINESS TECHNOLOGY BASICS
The internet and the world wide web
Computer network
Technology allowing people to connect computers
World wide web (Web)
Subset of internet computers and includes easy-to-use interfaces
New uses for the internet
1970: other uses
Mailing lists: E-mail address forwards message to subscribed users
1979: Usenet (user's news network)
read and post articles
newsgroups (topic areas)
Commercial use of the internet
National science foundation (NSF)
provide funding
prohibited commercial network traffic
Packet-switched networks
Local area network (LAN)
Wide area networks (WANs)
Circuit
Circuit switching
Routing packets
Routing computers
Routing algorithms
Routing table
Hubs, switches and bridges
Public and private networks
public networks
public availability
private network
private, leased-line connection
physically connects intranets to one another
leased line
permanent telephone connection between two points
Internet protocols
Transmission control protocol (TCP)
Internet Protocol (IP)
IP Addressing
Internet protocol version 4 (IPv4)
IP address
Base 2 (binary) number system
Dotted decimal notation
Byte (8-bit number)
subnetting
private IP addresses
Network address translation (NAT) device
Internet protocol version 6 (IPv6)
Electronic mail protocols
Electronic mail (e-mail)
E-mail server
E-mail client software
Multipurpose internet mail extensions (MIME)
Interactive mail access protocol (IMAP)
Web page request and delivery protocols
web client computers
web server computers
client/server architecture
Hypertext transfer protocol (HTTP)
The development of Hypertext
hypertext server
web servers
HTML
Hypertext link (hyperlink)
Markup languages and the web
text markup language
markup tags (tags)
Standard generalized markup language (SGML)
Extensible markup language (XML)
World wide web consortium (W3C)
Extensible hypertext markup language (XHTML)