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Versatile 2-in-1s 2-in-1s provide power and flexibility. Features and app availability may vary by region. Fees may apply. Follow Microsoft Windows. Share this page. Connection-oriented service is related to the telephone system.
It includes the connection establishment and connection termination. In connection-oriented service, Handshake method is used to establish the connection between sender and receiver. Connection-less service is related to the postal system. It does not include any connection establishment and connection termination. Connection-less Service does not give the guarantee of reliability.
In this, Packets do not follow same path to reach destination. Difference between Connection-oriented and Connection-less Services: S.
Connection-oriented service is preferred by long and steady communication. Connection-less Service is preferred by bursty communication. Connection-oriented Service is necessary. Connection-less Service is not compulsory. Connection-oriented Service is feasible. Connection-less Service is not feasible. That represents the confirmation is received by the receiver to start the communication between the sender and the receiver.
Now a sender can send the message or data to the receiver. Similarly, a receiver can respond or send the data to the sender in the form of packets. After successfully exchanging or transmitting data, a sender can terminate the connection by sending a signal to the receiver.
In this way, we can say that it is a reliable network service. TCP Transmission Control Protocol is a connection-oriented protocol that allows communication between two or more computer devices by establishing connections in the same or different networks. It is the most important protocol that uses internet protocol to transfer the data from one end to another.
It ensures that the connection is established and maintained until the data packet is transferring between the sender and receiver is complete. A connection is similar to a postal system , in which each letter takes along different route paths from the source to the destination address. Connectionless service is used in the network system to transfer data from one end to another end without creating any connection. So it does not require establishing a connection before sending the data from the sender to the receiver.
It is not a reliable network service because it does not guarantee the transfer of data packets to the receiver, and data packets can be received in any order to the receiver. Therefore we can say that the data packet does not follow a defined path.
In connectionless service, the transmitted data packet is not received by the receiver due to network congestion, and the data may be lost.
For example, a sender can directly send any data to the receiver without establishing any connection because it is a connectionless service. Data sent by the sender will be in the packet or data streams containing the receiver's address.
In connectionless service, the data can be travelled and received in any order. However, it does not guarantee to transfer of the packets to the right destination. The UDP User Datagram Protocol is a connectionless protocol that allows communication between two or more devices without establishing any connection.
In this protocol, a sender sends the data packets to the receiver that holds the destination address. A UDP does not ensure to deliver the data packets to the correct destination, and it does not generate any acknowledgment about the sender's data. Similarly, it does not acknowledge the receiver about the data. Hence, it is an unreliable protocol. JavaTpoint offers too many high quality services.
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