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Jitter

Definition(s):

  non-uniform delays that can cause packets to arrive and be processed out of sequence
Source(s):
NIST SP 800-58

  The time or phase difference between the data signal and the ideal clock.
Source(s):
NIST SP 800-82 Rev. 2

  The short-term variations of the significant instants of a timing signal from their ideal positions in time (where short-term implies that these variations are of frequency greater than or equal to 10 Hz).
Source(s):
NISTIR 8323 from ITU-T G.810

  As it relates to queuing, the difference in latency of packets.
Source(s):
NIST SP 800-127 [Withdrawn]