What is IP (Internet Protocol)

Hi All, 

    Greetings,

In today’s scenario major part of telecom is shifted towards Data (IP Backbone) which helps, to reduce the cost, enhance the performance/efficiency of the network, hence we are shifting TDM based system towards IP Based,

So let’s just know something about IP addresses.

What’s IP (Internet Protocol) Address:-

          It’s a numerical label assigned to each device (e.g., computer, printer) participating in a computer network that uses the Internet Protocol for communication. 

          It’s a 32-bit number, It is represented in dot-decimal notation, which consists of 4 decimal numbers, each ranging from 0 to 255, separated by dots, e.g., 127.0.0.1 (Loop Back Address). 

Each part represents a group of 8 bits (octet) of the address.

         It serves 2 Principal Functions :-

1. Identifies the system's network address &
2. Identifies which particular machine it is on the network, The Host part.

IP addresses are divided into 5 classes -

Class A addresses are assigned to larger networks,

Class B addresses are used for medium-sized network,

Class C for small networks,

Class D for Multicasting,

Class E for Research Organizations – Experimental Purposes.

Details :-

• Ranges 127.x.x.x are reserved for the loopback or diagnostic functions, e.g, 127.0.0.1 is the common loopback address.
• Range 255.255.255.255 broadcasts to all hosts on the local network.

Note :- Till now we are using IP address as IPv4 (32 Bits) but due to enormous growth of Internet & decreasing amount of available addresses, a new version of IP address is developed i.e. IPv6, which is 128 Bits & its implementation is ongoing.

             The preferred IPv6 address representation is: xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx where each x is a hexadecimal digit (0-9, A-F) representing 4 bits, This notation is commonly called string notation.


More information, updated soooonnnnn...

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