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IP Addressing


IP Addressing:
IP Address is of 32 bits. Eg : 192.168.2.25
No 2 system can have same IP as network conflict occurs.
Address space IPV4  is 232
Notations
1.       Binary notation – 0&1
2.       Dotted decimal notation -0-9
3.       Hexadecimal-0-15

Types of IP Addressing
1.       Class Full addressing: IP address space is divided/classified into 5 classes A,B,C,D and E.
Address space of class A-231
Address space of class B-230
Address space of class C-229
Address space of class D-228
Address space of class E-228





Problems in Class A and B
Host Id remains fixed & net id changes, 3 net id are there in class A and 2 net id  in class B and so it is difficult to change it again and again.
A & B-small organization
C- large organization
D -military, for multicast addressing
E-reserved for future use
Net ID- Network id
Host id-id given to the system
Class A, B and C are divided into net id and host id. These parts are of varying length depending on the class of the address. Host id means the name of the system is connected via networking.
Class C- LAN networking.
 

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