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- W3157289249 abstract "The research presented in this thesis is concerned with the structure of the solution space for the IP routing problem for service layer packet networks overlayed to a Dynamic Optical Transport Network which offers a Dynamic Bandwidth Provisioning service for Network Engineering purposes. The contributions of this thesis are: a) A Value-Based Bandwidth Allocation scheme and a respective algorithm for an Optical Transport Network which delivers dynamic bandwidth provisioning services to its service layer networks in discrete ranges. This is a dynamic scheme which expects from the service layer networks to declare their perception of value (utility) for the resources (lightpaths) they demand. The value assigned to the resources depends on the business scenarios considered. The scheme supports both elastic and inelastic demands and it is based on the idea of weighted fairness. This is an example of a Dynamic Bandwidth Provisioning scheme which can be utilised by service layer networks. b) the Routing Landscape model of the IP routing problem which is used to examine the effects of topological changes-results of the application of the Dynamic Bandwidth Provisioning scheme- to the structural properties of the IP routing problem and how these can be taken into account on Network Engineering decisions. Techniques for examining the qualitative and quantitative characteristics of the solution space for the routing problem in IP service layer networks over a Dynamic Optical Transport Network are presented. The technique is general, in that it can be applied to both connectionless and connection-oriented paradigms, but the results presented in this thesis are for a combination of network topologies and traffic scenarios for IP, MPLS-enabled networks. The motivation is to use this tool as part of the evaluation of perspective bandwidth changes for an ISP which uses a Dynamic Bandwidth Provisioning mechanism (value-based or not) over a DWDM network." @default.
- W3157289249 created "2021-05-10" @default.
- W3157289249 creator A5050529042 @default.
- W3157289249 date "2003-01-01" @default.
- W3157289249 modified "2023-09-24" @default.
- W3157289249 title "Discrete value-based bandwidth provisioning & routing complexity in IP networks" @default.
- W3157289249 hasPublicationYear "2003" @default.
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