18.4.1. UDP Server Example

Try these first

1. 1.

   What is the purpose of the DatagramSocket?

   Hint

   Focus on its role in the communication process.

2. 2.

   Explain what a DatagramPacket is.

   Hint

   Consider how data is structured for transmission.

3. 3.

   What protocol does DatagramSocket use?

   • TCP
   • UDP
   • HTTP

   Hint

   Think about the protocol used for connectionless communication.

4. 4.

   True or False: UDP guarantees data packet delivery.

   • True
   • False

   Hint

   Recall the characteristics of UDP.

5. 5.

   Design a simple UDP server that handles multiple messages in sequence. Discuss how you will implement this.

   Hint

   Consider the need for infinite listening during runtime.

6. 6.

   Discuss the implications of using UDP in a file transfer application and propose a model to ensure reliable delivery.

   Hint

   Think about how application layers can handle reliability.