5. What is IP address?
What is IP
address ?
Internet assigned
number
authority(IANA).
Internet service
provider(ISP)
What is the use of
IP?
6. What is the use of IP?
IP address works at the network layer of the OSI model.
Without IP addresses, devices on different networks will not
be able to communicate.
Every device needs a unique IP address in order to connect
to the internet.
7. IPv4 (IP Version 4)
32 bit, represented in 4 decimal number, each decimal
number is of 8 bit, separated by a dot(.).
Consists of 2 components.
#Network id # Host id.
IPv4 allows 232
.
Which section show the machine or host id depend on the
class network.
9. IPv4 address:
There are 5 different class in IPv4
Class Uses Start IP End IP CIDR
Class A Large networks 0 127 /8
Class B Medium networks 128 191 /16
Class C Small networks 192 223 /24
Class D Multicast 224 239 N/A
Class F Experimental
purpose
240 255 N/A
15. u n i c a s t m u l t i c a s t a n y c a s t
communicate
specified one
computer
communicate group
of computers
send group address
that can receive
multiple
computers,but
receive 1 computer
Types of addresses
16. What’s Good about IPv6?
Bigger address space
Mobility
Built-in security
