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UDP's Quiet Buffer: Beware the Overflow
In UDP communication, there is a receive buffer that holds incoming data until the application processes it. However, unlike TCP, UDP does not ensure delivery or acknowledgment of received packets, meaning there is no visibility into the status of the remote buffer. Data is transmitted to the remote side without confirmation of receipt, potentially leading to overflow and packet loss if the receiving application does not read the data promptly. This lack of feedback at the UDP level emphasizes the risk of sending data without knowing if the recipient can handle it effectively.