How Data Packets are Sent Using Datagram in Telecommunication Systems

In telecommunication systems, data packets can be sent using datagrams, which are packets of data that are transmitted individually and independently of one another. Each datagram contains information such as the sender's address, the receiver's address, and the data payload. When a datagram is sent, it is routed through the network to its destination based on the addressing information contained within the packet.

The role of establishing a connection in this process is crucial, as it determines how the data packets are transmitted and received. In a connection-oriented system, a connection must be established between the sender and receiver before data can be sent. This involves a series of steps, such as setting up a communication channel, exchanging information about the data to be transmitted, and confirming the successful transmission of data.

On the other hand, in a connectionless system, such as datagram-based communication, no connection needs to be established before data can be sent. Each datagram is sent individually and independently, without any prior communication between the sender and receiver. This allows for greater flexibility and efficiency in sending data packets, as there is no need to establish and maintain a connection for each transmission.

In conclusion, datagrams allow for the transmission of data packets in a connectionless manner, without the need to establish a connection beforehand. This makes them a versatile and efficient communication method in telecommunication systems.