CPC H04L 47/34 (2013.01) [H04L 47/32 (2013.01)] | 15 Claims |
1. A sequence recovery method executed by a node in a time-sensitive network and configured to transmit and receive packets, the method comprising:
receiving a packet having a first sequence number;
determining whether the first sequence number is within a predetermined range of a reference sequence number, wherein the reference sequence number is a current latest sequence number accepted by the node and wherein the predetermined range comprises a history range and a future range, wherein the history range has a length equal to a history length and includes the reference sequence number and a predetermined number of consecutive sequence numbers that are immediately earlier than the reference sequence number, and the future range has a length equal to a future length and defines a predetermined number of consecutive sequence numbers that are immediately later than the reference sequence number, wherein the future length is greater than the history length;
in response to the first sequence number being outside of the predetermined range, discarding the packet; and
in response to the first sequence number being within the predetermined range, accepting the packet.
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