Masterarbeit, 2021
113 Seiten, Note: 3.3
Ingenieurwissenschaften - Nachrichten- und Kommunikationstechnik
This thesis aims to provide a detailed comparison and classification study for a large number of Dynamic Bandwidth Allocation (DBA) algorithms in Ethernet Passive Optical Networks (EPON). The study focuses on evaluating the performance of these algorithms based on time delay and throughput, two key performance indicators.
Chapter 1: Introduction This chapter introduces the concept of Dynamic Bandwidth Allocation (DBA) in EPON and highlights the significance of this research. It outlines the history of EPON technology, the objectives of this thesis, and its organization.
Chapter 2: Background and Literature Review This chapter provides a comprehensive overview of EPON technology and existing research on DBA algorithms. It covers key topics such as traffic growth, the evolution of access networks, PON technologies, and the principles of operation for EPON systems. It also delves into various DBA methods, including algorithms without QoS support and those with QoS support, both locally and globally.
Chapter 3: Basic Model and Analysis This chapter presents the fundamental models used for analyzing the performance of DBA algorithms. It describes the mathematical model, time delay, throughput, and various DBA algorithms, including IPACT-FSD-SLA, CDBA-IPACT, e-DBA, n-DBA, EBDBA-YDBA-SDBA-ADBA, CPBA, IPACT with two stages, IPACT with CBR credit, TLBA, Two Stage Queue, IFLDBA-BP, UDBA, MSARF, and CPBA SLA.
Chapter 4: Results and Discussions This chapter focuses on the results of simulations and analyses conducted on different DBA algorithms. It examines throughput and time delay performance for each algorithm, identifies optimal algorithms for highly loaded scenarios, and explores optimization processes for performance enhancement.
This research focuses on the optimization of EPON performance using Dynamic Bandwidth Allocation (DBA) algorithms. Key terms and concepts include time delay, throughput, QoS (Quality of Service), EPON (Ethernet Passive Optical Network), OLT (Optical Line Terminal), ONU (Optical Network Unit), and various DBA algorithms such as IPACT, UDBA, CPBA, and others.
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