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One-Way Delay Estimation Using One-Way Delay Variation and Round-Trip Time

  • Journal of The Korea Society of Computer and Information
  • Abbr : JKSCI
  • 2008, 13(1), pp.175-184
  • Publisher : The Korean Society Of Computer And Information
  • Research Area : Engineering > Computer Science

김동근 1 Lee Jaiyong 1

1연세대학교

Accredited

ABSTRACT

QoS-support technology in networks is based on measuring QoS metrics which reflect a magnitude of stability and performance. The one-way delay measurement of the QoS metrics especially requires a guarantee of clock synchronization between end-to-end hosts. However, the hosts in networks have a relative or absolute difference in clock time by reason of clock offsets, clock skews and clock adjustments. In this paper, we present a theorem, methods and simulation results of one-way delay and clock offset estimations between end-to-end hosts. The proposed theorem is a relationship between one-way delay, one-way delay variation and round-trip time. And we show that the estimation error is mathematically smaller than a quarter of round-trip time.

Citation status

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