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Recolector de Ciencia Abierta, RECOLECTA
Bachelor thesis . 2015
License: CC BY NC SA
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Recolector de Ciencia Abierta, RECOLECTA
Bachelor thesis . 2015
License: CC BY NC SA
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Incremental capacity planning in flexgrid optical networks

Authors: Morales Alcaide, Fernando;

Incremental capacity planning in flexgrid optical networks

Abstract

Les xarxes de comunicacions de fibra òptica necessiten adaptar-se com a resposta a l'evolució del tràfic de dades que han de transportar. Aquesta evolució inclou l'extensió periòdica de la seva capacitat per tal de millorar alguna de les mètriques que caracteritzen el seu funcionament, com per exemple la capacitat de restaurar la connectivitat del tràfic afectat per una fallida en un enllaç. Com a conseqüència de l'increment progressiu de la demanda de tràfic de dades, pot succeïr que alguns enllaços es tornin vulnerables, es a dir, no es pugui assegurar un mínim percentatge de tràfic restaurat en cas de fallida. En aquest projecte es defineix i modelitza formalment el problema d'optimització consistent en incrementar la capacitat de la xarxa, afegint nous enllaços inactius i equipament disponible al inventari amb cost mínim, per tal de reduir la vulnerabilitat fins a un determinat llindar. Es presenten dos mètodes per resoldre'l, a saber, un model de programació lineal entera i una heurística constructiva aleatoritzada. Els dos mètodes seran avaluats numèricament a partir d'un conjunt extens d'instàncies de diferents característiques. Finalment, l'heurística serà integrada en un simulador amb finalitats acadèmiques que emula l'arquitectura i protocols d'una xarxa òptica real.

Country
Spain
Keywords

Àrees temàtiques de la UPC::Matemàtiques i estadística, Teoria de la, Information theory, Programació lineal entera, Circuits::94C Circuits, Informació, Classificació AMS::94 Information And Communication, :Matemàtiques i estadística [Àrees temàtiques de la UPC], Classificació AMS::94 Information And Communication, Circuits::94C Circuits, networks, Codificació, Teoria de la, :94 Information And Communication, Circuits::94C Circuits, networks [Classificació AMS], Xarxes òptiques, Heurístiques, Disseny incremental de xarxes, networks, Informació, Teoria de la, Coding theory, Codificació

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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