Traffic modelling, policing and scheduling in Ethernet passive optical networks

Author(s)

Flavio de Melo Pereira

• Document type: Doctoral Thesis
• Press: Campinas, SP.
• Institution: Universidade Estadual de Campinas (UNICAMP). Faculdade de Engenharia Elétrica e de Computação
• Defense date: 2006-07-25

Examining board members

Dalton Soares Arantes; Célio Vinicius Neves de Albuquerque; Helio Waldman; Mauricio Ferreira Magalhães; Otto Carlos Muniz Bandeira Duarte; Paulo Cardieri; Shusaburo Motoyama

• Advisor: Dalton Soares Arantes; Nelson Luis Saldanha da Fonseca

Abstract

We propose new framework for traffic modelling, policing and scheduling in Ethernet Passive Optical Networks. This framework aims at providing performance guarantees to individual flows in access networks. We propose a new envelope process called Fractional Bounded Arrival Process for selfsimilar 'multimedia traffic representation. The policing of such a kind of traffic by using the leaky bucket algorithm is also proposed. We present a novel discipline for scheduling the upstream flows in EPON networks. In such a discipline, which is calle4 Proportional Sharing with Load Reservation, each flow is guaranteed a minimum share of bandwidth and the unused bandwidth is fairly distributed among them in proportion to their own demands and priorities. We analyze the performance of the proposed discipline and provide fairness and delay bounds on a per-flow basis (AU)