What is the difference between Connectionless and Connection Oriented Service?

Connectionless Service Connection oriented Service
In connectionless the data is transferred in one direction from source to destination without checking that destination is still there or not or if it prepared to accept the message. In connection oriented service we have to establish a connection before starting the communication. When connection is established we send the message or the information and then we release the connection.
Each message is routed independently from source to destination. The order of message sent can be different from the order received. The order of message received is same as the order sent.
In connection oriented service authentication is not needed In connection oriented service authentication is needed
It is faster It is slower
It is non-reliable It is reliable
Connectionless service is message based. Connection oriented service interface is stream based
Example is UDP Example is TCP/IP

Leave a Reply

Your email address will not be published. Required fields are marked *