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Identifier uch.csd.msc//1999npapadakis
Title Διαχείριση Πόρων σε Δίκτυα MPLS τα οποία υποστηρίζουν Πολλές Κλάσεις Υπηρεσιών
Alternative Title Resource Management in multi-services MPLS Networks
Creator Papadakis, Nikos I
Abstract This master thesis considers the problem of routing flows belonging to different Classes of Services with different QoS requirements across MPLS capable networks. At first the functional capabilities are specified that need to be supported in order to optimize network resource utilization, and satisfy business - or service - or network-level QoS requirements in a scalable and controlled manner. The thesis focuses on the design of an architecture appropriate to combine MPLS with QoS-Policy based routing capable components. Existing label switching technologies assume that routing is accomplished basically using traditional network layer routing protocols. Consequently network administrators have no control on the way traffic navigates within the network. This can easily lead to undesirable situations where some parts of the network are congested and some others are underutilized. Future Internet imposes the demand for advanced network control and management mechanisms. Combining label switching technologies with routing mechanisms that both take into account network performance metrics and give network administrators the ability to influence routing decisions according their preference appears to be a very challenging solution to cost-effectively and efficiently engineer future Internet. This thesis proposes to apply a routing mechanism based on implied costs as an appropriate solution to the traffic engineering problem. Such implied costs reflect network congestion as well as the interdependencies among flows in the network. The algorithms proposed were implemented and sample medium size networks were used in order to test their feasibility. The results have shown that the proposed solution is a feasible one and with the appropriate extentions to MPLS could be applied to current protocol implementations in order to efficiently control the use of resources.
Issue date 1999-11-01
Date available 1999-11-19
Collection   School/Department--School of Sciences and Engineering--Department of Computer Science--Post-graduate theses
  Type of Work--Post-graduate theses
Permanent Link https://elocus.lib.uoc.gr//dlib/3/e/8/metadata-dlib-1999npapadakis.tkl Bookmark and Share
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