Design of a New IT Infrastructure for the Region of Nordjylland: The Backbone Network
Author
Labeaga, Sergio
Term
10. term
Publication year
2008
Pages
101
Abstract
This thesis presents the design of a backbone network for the new IT infrastructure of the North Jutland Region, with an emphasis on network planning and management. It begins with an assessment of the current infrastructure and the project objectives, followed by projections of population and bandwidth demand that underpin capacity planning. A stepwise methodology is developed to determine the number and placement of backbone nodes, explicitly addressing trade-offs between cost, per-node traffic, and the balance between access and backbone expenditures. Several candidate topologies (e.g., single ring, double ring, N2R (8,3), and 4-regular grid) are compared in terms of degree, average distances, and economic cost, and the solution that best meets the initial requirements is selected. A strategic deployment plan is proposed in stages, and the designed network is evaluated through traffic analysis and availability study. Finally, an investment projection is provided. Assumptions and methods are clearly separated to enable adaptation to other regions or updated inputs; conclusions and future work directions are outlined.
Dette speciale præsenterer designet af et rygradsnet for den nye IT-infrastruktur i Region Nordjylland med fokus på netværksplanlægning og -styring. Arbejdet indledes med en analyse af den eksisterende infrastruktur og fastlæggelse af projektets mål, efterfulgt af fremskrivninger af befolkning og båndbreddebehov som grundlag for kapacitetsplanlægning. En trinvis metode fastlægger antal og placering af backbone-noder og behandler eksplicit afvejninger mellem omkostninger, trafik per node samt balancen mellem udgifter til adgangsnet og backbone. Flere mulige topologier (fx enkelt ring, dobbelt ring, N2R (8,3) og 4-regulær gitter) sammenlignes ud fra grad, gennemsnitlige afstande og økonomiske omkostninger, hvorefter den løsning, der bedst opfylder de oprindelige krav, vælges. Der udarbejdes en strategisk udrulningsplan i etaper, og det designede net analyseres med hensyn til trafik og tilgængelighed. Endelig præsenteres en investeringsfremskrivning. Antagelser og metoder er klart adskilt, så tilgangen kan tilpasses andre regioner eller opdaterede data; konklusioner og forslag til fremtidigt arbejde afrunder projektet.
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