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(ISP and IP Address) (Structure of IPv4 & IPv6 (• Each IPv4 address is…
(ISP and IP Address)
Structure of IPv4 & IPv6
• Each IPv4 address is made up of four groups of
numbers, that range from 0 to 255, separated
by a period.
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• IPv4 address has two parts:
– The network part (first three numbers) identifies
the network.
– The machine part (last number) identifies the
specific computer.
• Each IPv6 address is represented as eight
groups of four hexadecimal digits, separated
by colons (:)
• Examples of IPV6 address (full notation):
– 2001:0db8:00a7:8ac4:0234:7bff:fe19:223c
– 2001:0db8:0a0b:12f0:0000:0000:0000:0001
Internet Address
• The Internet relies on an addressing system
much like the postal service to send data and
information to a computer at a specific
destination.
• Also called, Internet Protocol address or IP
address.
• IP address is a unique number used to locate
and identify a computer or device on a
network.
• IP address is used as an address to send data
and information to a specific computer or
device on the Internet.
• The Internet has experienced a phenomenal
increase of devices accessing the Internet.
• Because of this increase, IPv4 addresses are
running out.
• The solution is for IPv6 to accommodate this
increased demand by providing a much larger
address space, along with improved traffic
routing and better security.
• Larger IP address space - provide enough
address space for many decades to come
• Better security
• Better support for real time
• Includes Plug and play
• Better optimization
Domain Name
• A domain name is the text version of an IP
address.
• Examples:
– www.google.com
– www.kmk.matrik.edu.my
• Two (2) types of top-level domain (TLD) :
– Generic TLD (gTLD)
– Country Code TLD (ccTLD)
• A generic TLD identifies the type of
organization associated with the domain.
• Country Code TLD identifies the country of
origin associated with the domain.
• Internet Service Provider (ISP) is an
organization that provides Internet access to
individuals and organizations.
• Also provide related services such as:
– Web site hosting and development
– Email hosting
– Domain name registration
• Provide and maintain a connection to the
Internet
• Provide hardware and software support to the
connection
• Protect against external threats such as
viruses, hackers and other illegal activities
• Provide 24-hour customer service and
technical support
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