The Internet and The WWW
The Internet and The WWW
The Internet and The WWW
Information Superhighway
The world wide web (www) is a system of internet
servers that support specially formatted documents.
Most documents on the web are formatted in HTML
(hypertext markup language) that supports links to
other documents, as well as graphics, audio, and
video files.
Website: A group of documents accessed from the
same base web address. A website is given in the
format of universal resource locator (URL). E.G
http://www.strathmore.edu.
Browsers: are interface programs that assist to
view the internet. The most widely used
browsers are Microsoft internet explorer and
Netscape navigator.
The Transmission Control Protocol/Internet
Protocol (TCP/IP) sets the standards on how
computers communicate as well as a set of
conventions for interconnecting networks and
routing packets
Definition
The internet is a global network
connecting millions of computers.
The Internet is a collection of computers
joined together via telephone lines,
satellites and high speed data lines
A Global Network of Networks
URL Explanation
Element
http:// ‘http’ tells the browser to use the
Hypertext Transfer Protocol when
retrieving the document from the
internet server. The two forward
slashes after the colon introduces a
host name such as www.
www Stands for World Wide Web. As noted
before, to put it simply the web (via its
use of HTML) is what makes the
internet user friendly.
Barclays This is the domain name of the organisation
or individual whose site is located at this URL
Modem
Normal Phone
Line
ISP
Types of Access Systems
to the Internet
On-line (Direct) Access
Mainly used to connect LAN’s to the Internet
You require a dedicated phone line (analogue or,
preferably, digital) to an ISP
The connection is done via a special modem
(analogue) or a router (digital)
Your proxy-server is a node in the Internet (Server)
and it is always connected to the Internet
Types of Access Systems
to the Internet
Your server has its own IP (Internet Protocol)
address
You can have a Web Server thus providing
content to other Internet users
Security is normally implemented using
Firewalls
Workstations connect to the Internet via the
proxy server
On-line (Direct) Access
Local Area Network (LAN)
Internet
Router
Dedicated Digital
Line
ISP
Router
How Do You Get Connected?
Equipment:
A computer (Intel 486 or higher, Macintosh or
UNIX based; preferably, a Pentium)
A modem (33.3 Kbps or 56 Kbps
recommended)
A telephone line (dedicated or non-dedicated)
An Internet Service Provider (ISP)
How Do You Get Connected?
The right software
Operating systems such as Windows, UNIX,
Linux already include communications
software
Web browsers are also included in some
operating (Windows) or are easy to obtain as
they can be distributed for free
Other communications software might be
provided by the ISP
Properties of Internet
Mediating technology: Internet facilitates
exchange relationships among parties
distributed in time and space
4 types of interconnection:
B2B: Business-to-business
B2C: Business-to-consumer
C2C: Consumer-to-consumer
C2B: Consumer-to-business
Properties of Internet
Universality: anybody anywhere in the
world can potentially make his
products available to anyone else in the
world.
Impact on Community
Internet redefines communities, making
them larger and much more valuable
Distance and time are no drawbacks to
join a community
Impact of the Internet on the 5-Cs
Impact on Content
Information,entertainment and other
products are delivered over the Internet to
more people
Impact on Communication
People can exchange electronic messages
real-time, to many people and with high
content
Every user has the capacity to broadcast
messages
Impact of the Internet on the 5-Cs
Impact on Commerce
B2B:businesses buy and sell goods and
services to and from each other.
Internet provides access to sellers and buyers
from all over the world
Internet can create B2B hubs, to provide a central
Service
Product mix
Brand-name reputation
Types of pricing:
Menu pricing: sellers sets a price and
buyers can take or leave it.
One-to-one bargaining: seller negotiates
with a buyer to determine at what point the
buyer considers the price appropriate for
the value he is getting.
Auction: seller solicits bids from many
buyers and sells to the buyer with the best
bid.
Reverse auction: sellers decide whether to
fulfil the orders of potential buyers.
Barter: swap of goofs for goods, or goods
for services.
Connected activities
A firm must perform the activities that
underpin the value (value chain).