Answer / lakshman

Ports are used to identify a application process on a
particular system.Think in the direction of ,how your
application programm is identifed by your system,while many
other process running on your sysytem.

Answer / gopinath nk

Port is a special number present in the header of a data
packet. Ports are typically used to map data to a particular
process running on a system.These are divided into three
ranges.1.Well known(0-1023) 2.Registered(1024-49151)
3.Dynamic/private ports(49152-65535).

Answer / balaganapathi.m

To explain the concept of port, i use the one example,

You are writing a letter to your friend, in this letter you
will write the Full address details such as Door
Number,Village Name, etc....

Take this example, in networking level, Here the Village
name is like IP address and Door Number is like Port.

Why you are mentioning the door number in the letter,
because in the village there are number of houses, to find
your friends house the Door Number is needed, Like that in
computer there are many process running simultaneously, to
identify particular process, port number is mainly used.

there are totally 65,535 port numbers are available, Some
port numbers are known as well known port number, this is
mainly used as server port number.

Answer / guest

TCP and UDP
TCP is a connection oriented protocol
UDP is a connection less protocol

Answer / nikhil

For reliable connection using TCP, transport layer assigns
a unique set of numbers for each connection.That i sknown
as port Number.

Answer / mr.shahin07

Port is a mechanism used by the computer which
simultaneously support multiple communication session with
computer & program in the network.

Port is used to differentiate the connection. basically used
in "Transport layer". During multiplexing of connection
Transport layer used it. In multiplexing source port no,
Destination port no & layer 3 address are used.

Answer / harsha

A process running on localhost is called client and client
who needs services from remote host called server.
When Datagrams need to be deliver At layer 4. In computer
Tcp/ip protocol stack , there are so many no of process
runs. So How tcp /ip will findout exact process for which
this datagram need to be delivered. So each process is
identified based upon Port nos. Port nos function is for
identification of each processes run on a client/server.
Ports types
1) well known
2) registered/ephemeral

Answer / naren

port is a kind of channel for communication between
processes of same/different hosts in the network.

Answer / xxx

ports r used to identify a application process in a
particular system.

UDP(user datagram protocol) for connectionless protocol.
TCP(transmission control protocol) for connection oriented
protocol

Answer / asdfghjkl

thanks.

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