Idle Repeat Request (IRQ) designation in distributed systems minutes, with which data blocks can be sent from a transmitter to a receiver.

Each sent data block must be acknowledged with a confirmation (ACK). With the Idle Repeat Request minutes waits the transmitter after sending a packet so long, until the receiver sends back a ACK message. So that a transmitter does not wait after being lost a packet infinitely for a long time, a Timeout time is introduced, which has the purpose that the transmitter sends the packet again to a certain time, if it did not receive the ACK. In order to avoid dupes with the receiver, the data blocks are nummeriert.

Articles in category "Idle Repeat Request"

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• arqExplanation
  Idle RQ (Idle Repeat Request) is called Idle RQ since the sender could be idle a large fraction of the time. If the time it takes for a packet to reach the ...


• Automatic Repeat Request
  Selective Repeat: efficiency. protocol efficieny ρ. s. = 1. error efficiency as idle request. ρ. e. ≈. 1. 1 + p. ρ. c. same as idle RQ ...


• RFC 3366 — Advice to link designers on link Automatic Repeat ...
  One of these techniques is Automatic Repeat ReQuest, ARQ, which has been and continues to be used on links that carry IP traffic. ...