[DATA COMMUNICATION AND NETWORKS (DCN)]

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Acknowledgement

I would take this opportunity to thank my research supervisor, family and friends for their support and guidance without which this research would not have been possible.

DECLARATION

I, [type your full first names and surname here], declare that the contents of this dissertation/thesis represent my own unaided work, and that the dissertation/thesis has not previously been submitted for academic examination towards any qualification. Furthermore, it represents my own opinions and not necessarily those of the University.

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Table of Contents

ABSTRACTV

CHAPTER IVI

1. INTRODUCTIONVI

1.1 Research objectiveix

CHAPTER IIXII

2. PARAMETERS FOR THE DYNAMIC DATA CONNECTION NETWORK PROBLEMXVI

2.1. Network topology and dimensioningxvi

2.2. Node functionalityxviii

2.3. Transmission functionalityxix

2.4. Strategies for the data connection network processxx

2.5. Traffic parametersxxiii

CHAPTER IIIXXV

3. MODELLING SET ABOUT AND DEVICE REALISATIONXXV

CHAPTER IVXXX

4. CASE INVESTIGATIONS AND RESULTSXXX

4.1. An adaptive dynamic data connection network scheme with biased alternativesxxx

4.2. Length restrict strategiesxxxv

4.3. Converter usage strategiesxxxix

4.4. Influence of Poisson and non-Poisson traffic characteristicsxlv

4.5. Network dimensioning enhancement utilising replication resultsxlviii

CHAPTER VLII

CONCLUSIONS AND OUTLOOKLII

Referencesliv

Abstract

This dissertation concentrates on dynamic data connection network in Wavelength Division Multiplexing (WDM) networks. It is shown that a scheme founded on pre-calculated options and an adaptive dynamic route seeks presents very well over a broad burden range. Moreover, exact consequences for the influence of asset share schemes in photonic WDM networks are emphasized, particularly the leverage of wavelength converter usage schemes in networks with partial conversion. The paper furthermore investigates the way non-Poisson traffic demeanour sways presentation of data connection network schemes and presents how the outcomes from dynamic data connection network enquiry can assist to optimise the network designing process.

DATA COMMUNICATION AND NETWORKS (DCN)

Chapter I

1. Introduction

Wavelength Division Multiplexing (WDM) expertise is globally utilised to contend with quickly expanding bandwidth claims in telecommunication networks, particularly for wide-area transport networks. At the instant point-to-point schemes are currently broadly established by numerous network operators and (all-) optical networks encompassing optical data connection network and swapping are approaching. Many distinct architectures and submission localities are recounted in the publications most of which are founded on the introduction of a WDM transport level . Two rudimentary designs are differentiated in the literature. Either there is no wavelength alteration in the network - furthermore called Wavelength Data connection network (WR) or Wavelength Path (WP) notion - or there is full wavelength alteration in the network - furthermore called Wavelength Interchanging (WI) or Virtual Wavelength Path (VWP) notion . Recently, some notions with partial or limited wavelength alteration have furthermore been suggested due to the high cost and still unsure advantage of wavelength converters. Main notions comprise either a restricted number of converters in a node , or a restricted number of nodes equipped with converters , or restricted variety alteration where converters will not alter from any input wavelength to an random yield wavelength .

The ever expanding transmission capability of optical fibres directs to large transport creeks in the centre network. At the instant, WDM networks are utilised for conveying a large number of reduced bit rate streams. Moreover, dynamic procedure of a WDM network level still bears ...