Chip-set for quality of service support in passive optical networks

Edwin Ringoot; Rudy Hoebeke; B. Hans Slabbinck; Michel Verhaert

doi:10.1117/12.327050

7 October 1998 Chip-set for quality of service support in passive optical networks

Edwin Ringoot, Rudy Hoebeke, B. Hans Slabbinck, Michel Verhaert

Proceedings Volume 3531, All-Optical Networking: Architecture, Control, and Management Issues; (1998) https://doi.org/10.1117/12.327050
Event: Photonics East (ISAM, VVDC, IEMB), 1998, Boston, MA, United States

Abstract

In this paper the design of a chip-set for QoS provisioning in ATM-based Passive Optical Networks is discussed. The implementation of a general-purpose switch chip on the Optical Network Unit is presented, with focus on the design of the cell scheduling and buffer management logic. The cell scheduling logic supports `colored' grants, priority jumping and weighted round-robin scheduling. The switch chip offers powerful buffer management capabilities enabling the efficient support of GFR and UBR services. Multicast forwarding is also supported. In addition, the architecture of a MAC controller chip developed for a SuperPON access network is introduced. In particular, the permit scheduling logic and its implementation on the Optical Line Termination will be discussed. The chip-set enables the efficient support of services with different service requirements on the SuperPON. The permit scheduling logic built into the MAC controller chip in combination with the cell scheduling and buffer management capabilities of the switch chip can be used by network operators to offer guaranteed service performance to delay sensitive services, and to efficiently and fairly distribute any spare capacity to delay insensitive services.

Citation Download Citation

Edwin Ringoot, Rudy Hoebeke, B. Hans Slabbinck, and Michel Verhaert "Chip-set for quality of service support in passive optical networks", Proc. SPIE 3531, All-Optical Networking: Architecture, Control, and Management Issues, (7 October 1998); https://doi.org/10.1117/12.327050

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