MAC protocol for an ATM-based SuperPON

John D. Angelopoulos; John Koulouris; Stratos K. Fragoulopoulos

doi:10.1117/12.256361

1 November 1996 MAC protocol for an ATM-based SuperPON

John D. Angelopoulos, John Koulouris, Stratos K. Fragoulopoulos

Proceedings Volume 2919, All-Optical Communication Systems: Architecture, Control, and Network Issues II; (1996) https://doi.org/10.1117/12.256361
Event: Photonics East '96, 1996, Boston, MA, United States

Abstract

Developments in optical amplifiers and the tendency towards fewer and larger switching stages made feasible and desirable the concept of SuperPONs with a range of 100km. Up to 15000 residential customers can share the SuperPON on a TDMA basis lowering the cost of access to B-ISDN services. Tree PONs require a MAC protocol to arbitrate the access to upstream slots among the competing customer ATM cells in a dynamic and efficient way. The protocol presented in this work combines different access mechanisms according to service quality requirements. All bursty traffic is manipulated transparently using a reservation approach with closed loop control so as to handle the unpredictability of arrivals. In contrast, voice, N-ISDN and other delay sensitive services are provided with unsolicited access permits. In addition, composite cells offered quasi- synchronous permits are used to support STM legacy traffic without echo-cancellers. So, ABR traffic which is delay tolerant and more cost sensitive, can and should be concentrated with full exploitation of multiplexing gain prospects. The permit distribution algorithm focuses on cell spacing, control of CDV, almost jitter free access for synchronous traffic and efficiency for ABR traffic.

Citation Download Citation

John D. Angelopoulos, John Koulouris, and Stratos K. Fragoulopoulos "MAC protocol for an ATM-based SuperPON", Proc. SPIE 2919, All-Optical Communication Systems: Architecture, Control, and Network Issues II, (1 November 1996); https://doi.org/10.1117/12.256361

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