Capacity assignment for NAC budgets in resilient networks

Menth, Michael; Milbrandt, Jens; Kopf, Stefan

doi:10.1109/netwks.2004.240885

Cited by 6 publications

(1 citation statement)

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“…A corresponding link upgrade strategy is described in Section 6 with an example showing the long term results and a discussion of main properties and their implications. Alternative approaches for the treatment of failure scenarios and for resilient transport over MPLS networks have also been studied by [18,19]. We start with a description of the TE-Scout tool including a summary of the algorithms and basic evaluation examples for traffic engineering and load balancing in Sections 2-4.…”

Section: Introduction: Traffic Management In Ip Networkmentioning

confidence: 99%

The Efficiency of Traffic Engineering with Regard to Link Failure Resilience

2005

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IP networks have established as a global telecommunication platform with increasing user population and an extending spectrum of services. The traffic is also steadily increasing, recently driven by peer to peer networking in addition to client server based applications. Network planers and operators have to ensure the scalability of IP platforms in a permanent upgrade process for transmission capacities. At present, Deutsche Telekom and other telecommunication network providers are introducing traffic engineering methods to achieve an optimum resource utilization.In a first step, traffic engineering can be applied to a predefined network topology, but a comprehensive approach has to be coordinated with a process for upgrading the link capacities and has to prepare for relevant failure scenarios. We have evaluated the efficiency of traffic engineering together with simple link upgrade strategies in order to get a maximum throughput. Therefore a predefined traffic matrix T is taken into account. The optimization goal is to scale the traffic matrix by a maximum factor λ max such that the traffic demand λ max T can still be carried on the available network resources. The influence of the network topology on the evaluation results is shown in examples with regard to single link failures.

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Section: Introduction: Traffic Management In Ip Networkmentioning

confidence: 99%