Waiting time jitter in FDDI to SONET payload mapping

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Waiting time jitter in FDDI to SONET payload mapping

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© The Institution of Electrical Engineers
Published

Data are presented on the jitter in FDDI to STS-3c (SONET) payload mapping with dependence on combined offset frequency and desynchroniser bandwidth. At offsets near −64ppm, FDDI payload jitter rises to 1 UI p-p, equalling the existing FDDI physical layer specifications. Changes are suggested to ensure reliable FDDI-SONET interworking.

Inspec keywords: standards; synchronisation; token networks; optical links

Other keywords: FDDI; desynchroniser bandwidth; physical layer specifications; STS-3c; combined offset frequency; waiting time jitter; SONET payload mapping; FDDI-SONET interworking

Subjects: Optical communication; Computer communications; Local area networks

References

    1. 1)
      • Ansi: Draft suppl. to T1.105—1991 (SONET) T1X1.5/90-145/R6, Draft 7.
    2. 2)
      • D.L. Duttweiler . Waiting time jitter. BSTJ , 165 - 207
    3. 3)
      • Ansi: FDDI—hybrid ring control (HRC) ANSI Doc. X3. 186-199x May 1991.
    4. 4)
      • T.E. Moore , R.C. Kusyk , W.D. Grover . Computer modelling of waiting time jitter in digital transport networks. Can. J. of Electrical and Computer Engineering
    5. 5)
      • Matsuura, Y., Kozuka, S., Yuki, K.: `Jitter characteristics of pulse stuffing synchronization', Proc. IEEE Int. Conf. Comm., June 1968, p. 259–264.
    6. 6)
      • Ansi: FDDI—token ring physical layer protocol (PHY) ANSI Doc. X3. 148—1988.
    7. 7)
      • Ansi: Digital hierarchy—optical interface rates and formats (SONET) T1.105—1991.
    8. 8)
      • Ansi: FDDI—token ring physical layer medium dependent (PMD) ANSI Doc. X3, 166—1990.
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