Újraátküldési

Újraátküldési is a Hungarian term that translates to "resending" or "retransmission" in English. It refers to the act of sending something again that was previously sent but not received, acknowledged, or processed correctly. This concept is widely applicable across various communication and data transfer systems.

In telecommunications, újraátküldési is a fundamental mechanism for ensuring reliable data transmission. When a data packet is sent over a network, the receiving end typically sends an acknowledgment (ACK) back to the sender. If the sender does not receive an ACK within a certain timeframe, it assumes the packet was lost or corrupted and initiates a retransmission. This process is crucial for maintaining data integrity in environments prone to network errors or congestion.

The concept also extends to other contexts. For instance, in email systems, if a message fails to be delivered, the system might be configured to attempt újraátküldési at a later time. Similarly, in financial transactions, if a payment instruction is not confirmed, a bank might re-initiate the transfer. The specific implementation of újraátküldési varies depending on the protocol and the requirements for reliability and timeliness. It often involves timers, sequence numbers, and specific error detection codes to manage the resending process effectively.