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Automatic repeat request (ARQ), also known as automatic repeat query, is an error-control method for data transmission that uses acknowledgements (messages sent by the receiver indicating that it has correctly received a message) and timeouts (specified periods of time allowed to elapse before an acknowledgment is to be received) to achieve ...
Another example is the set of messages between sellers and buyers, such as request for quotation (RFQ), bid in response to RFQ, purchase order, purchase order acknowledgement, shipping notice, receiving advice, invoice, and payment advice. However, EDI is not confined to just business data related to trade but encompasses all fields such as ...
Receiver: Transmits acknowledgement (ACK) as it receives a frame. Go to step 1 when ACK is received, or time out is hit. If a frame or ACK is lost during transmission then the frame is re-transmitted. This re-transmission process is known as ARQ (automatic repeat request).
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PYR, meaning Per Your Request. The recipient is informed that the sender is replying to a previous email in which they were given a task. QUE, meaning Question. The recipient is informed that the sender wants an answer to this e-mail. RB, meaning Reply By. Used with a time indicator to inform the recipient that the sender needs a reply within a ...
Are you going to be away from your email for a while? Setting up an automatic response will let your contacts know why you're away and when to expect you back. You can set up separate responses to use for different domains, such as one for your AOL email and another for your Yahoo account. Turn a vacation response on or off. 1.