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Out-of-order delivery

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This is an old revision of this page, as edited by Kvng (talk | contribs) at 16:00, 7 February 2022 (Reverted good faith edits by Goldenrowley (talk): reception order does not exist. many real-time applications can reorder, the real issue is latency and jitter.). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

In computer networking, out-of-order delivery is the delivery of data packets in a different order from which they were sent. Out-of-order delivery can be caused by packets following multiple paths through a network, by lower-layer retransmission procedures (such as automatic repeat request), or via parallel processing paths within network equipment that are not designed to ensure that packet ordering is preserved. One of the functions of TCP is to prevent the out-of-order delivery of data, either by reassembling packets in order or requesting retransmission of out-of-order packets.

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