Prioritized multiplexing of traffic accessing an FSAN-compliant GPON

Abstract

The Gigabit per second PON, now under standardization by the FSAN group in ITU-T, constitutes the most promising approach for the photonisation of the local loop, an elusive target of telecom operators for more than a decade. The traffic multiplexing / concentration on which the system efficiency (and hence low cost) is based, relies upon the dynamic MAC protocol to allocate bandwidth according to momentary needs, following traffic fluctuations. To serve each traffic class according to its needs, four priority levels are employed along with a high number of logically separate queues. This paper presents and evaluates the FSAN access control algorithms and discusses the choice of suitable traffic service parameters that optimize system performance. © IFIP International Federation for Information Processing 2004.