Wednesday, October 9, 2013

Let us begin with IP Addresses.

What is an IP Address?

An Internet Protocol address is a numerical label assigned to each device (e.g., computer, mobile phone) that is connected to a computer network that uses the Internet Protocol for communication.

? An IP address is used for two purposes:
1) To identify whether the interface is host or network.
2) To determine the location of the device.

? IP Versions: IPv4 and IPv6.
Although IPv4 is the earlier version, it is the most commonly used version.

? IPv4 is a 32-bit decimal number while IPv6 is 128-bit number.

? IPv4 is normally written as four numbers between 1 and 255, each separated from the other by a decimal point.
This standard is called as DOTTED-DECIMAL NOTATION.

? Ex: 115.241.40.93

? There are countless IP addresses in today's world!

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