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Difference between TCP and UDP?

Asked by: Interview Candidate | Asked on: Jul 30th, 2005
Showing Answers 1 - 15 of 15 Answers
meghna

Answered On : Jul 15th, 2005

TCP -Transmission Control Protocol -It is a Protocol used in connection oriented networks  
 
UDP - User Datagram Protocol - It is a protocol used in connectionless networks Here the data is transfered as packets.

  
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Vivek

Answered On : Jul 25th, 2005

TCP-Transmission Control Protocol. 
Protocol responsible for control over Transmission of data over the network. 
It breaks the data into packets. 
It supports error correction. 
 
UDP-User Datagram Protocol 
It also breaks the data into packets like the TCP. 
But it does not support error correction.

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Vivek Chethan

Answered On : Jul 25th, 2005

TCP-Transmission Control Protocol.TCP is a connection-oriented protocol.  
A connection can be made from client to server, and from then on any data can be sent along that connection. 
It supports error correction in the transmitted data. 
So it is a reliable protocol. 
 
UDP-User Datagram Protocol 
A simpler message-based connectionless protocol. Using UDP we can send packets of data across the network. But it does not support error correction in the transmitted data. 
So it is not a reliable protocol like TCP. 

  
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Vivek Chethan

Answered On : Jul 25th, 2005

TCP-Transmission Control Protocol.TCP is a connection-oriented protocol.  
A connection can be made from client to server, and from then on any data can be sent along that connection. 
It supports error correction in the transmitted data. 
So it is a reliable protocol. 
 
UDP-User Datagram Protocol 
A simpler message-based connectionless protocol. Using UDP we can send packets of data across the network. But it does not support error correction in the transmitted data. 
So it is not a reliable protocol like TCP. 

  
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Ganesh

Answered On : Jul 30th, 2005

TCP-Transmission Control Protocol.It is synchronous in nature.It supports error correction. 
UDP-User Datagram Protocol.It is asynchronous in nature.It do not support error correction.

  
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Anoop Nair

Answered On : Oct 28th, 2005

The main difference between TCP and UDP is, TCP is connection orinted protocol means it will get an acknoldgement for the packet it has forwarded

  
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amber

Answered On : Nov 3rd, 2005

UDP is also faster than TCP- partially because it does not require an acknowledgement of reciept. However the difference is in the milliseconds and not normally a factor.

  
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amber

Answered On : Nov 4th, 2005

In addition, UDP is the protocol that you would usually use with voice application.  If voice doesn't go through on the first try, there is no reason to resubmit, since a voice byte will lose it's value if it late, therefore you have no reason to need an acknowledgement of reciept.

  
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phanindra

Answered On : Feb 10th, 2006

TCP-Not Used for real time applications

UDP-Mostly used for real time applications

  
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SIVA PRASAD

Answered On : Sep 26th, 2006

TCP is a protocol based on a connection between two computers. It is used for normal Internet traffic and applications such as web servers, Ftp, etc.

UDP is a Protocol based on connectionless communication. UDP is ideal for applications like video streaming and online gaming, where lost packets don't need to bre retransmitted and speed takes precedence.


  
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vinod

Answered On : Jan 2nd, 2007

TCP having reliable transmission than UDP udp doesnot having the reliabletransmission through out the network

  
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Revansiddappa

Answered On : Jun 6th, 2007

To Phanindra,
Sir how do you sayfor realtime UDP is use and not the TCP.
Can you explain me how?
Helps me to decide in myreal time application

Thanks

  
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Rahul Dhal

Answered On : Aug 19th, 2011

TCP UDP
connection oriented protocol connectionless protocol
more reliable less reliable
error correction no error correction

  
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Rahul william

Answered On : Sep 1st, 2011

TCP is a connection oriented protocol and UDP is a connection less protocol such as wireless phones.

  
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sridhar

Answered On : Sep 17th, 2011

TCP gives acknowledgement to the recipients where as UDP does not give any acknowledgement to the recipients.

UDP is faster the TCP.

  
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