Rabu, 04 Mei 2011

TCP / IP

TCP (Transfer Control Protocol) addresses or IP (Internet Protocol Address) is an address owned by a computer connected to the network. just like a home address that serves as a destination address a letter or package goods, also serves the same ip address that is a destination for data packets to the destination computer.
IP address now have 2 versions of IPv.4 and IPv.6. both have the same function. and the difference is in the system of addresses. where IPv.4 using a reference to a decimal number, while IPv.6 using the addressing system with reference to the number Hexadesimal.
IPv.6 certainly produce more addresses than IPv.4
This time I will give a little knowledge I have about addressing the IPv.4.
IPv.4 consists of 4 octal, where 1 octal consists of 8 binary digits. each octal has a range from 0-255 and is divided into 3 classes:

1. Class A

but after knowing its function, then the ip address is very important in building a computer network.
a. class A has addresses from 0 -127. to conclude an address which belongs to the class, we only determine the first octal.
b. concept of class A if the capture of the binary numbers are as follows 11111111.00000000.00000000.00000000
c. default 255.255.0.0 Subnet
may be very confusing for beginners.

2. class B
a. class B starting from 128-191.
b. in decimal form is 11111111.11111111.00000000.00000000 oktalnya
c. default 255.255.0.0 Subnet
examples of class B ip: 172.16.0.1


3. class C
a. class C starting from 192-223.
b. in decimal form is 11111111.11111111.11111111.00000000 oktalnya
c. Subnet 255.255.255.0 Default
examples of class C ip is 192.168.10.1 or 202.164.15.1

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