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MPLS recovery mechanisms are increasing in popularity because they can guarantee fast restoration and high QoS assurance. In fact, QoS is important for interactive voice and video application and for specific clients. However, link failure always incurs delay and packet losses of the traffic passing through the failed link. Therefore, network has to restore the traffic by switching the affected traffic...
Over the next decades, the Internet will evolve to support increasingly complex mission-critical services such as telerobotically controlled surgery. The world's first telerobotic surgery over the public Internet was performed in 2003, and since then several hundred more have been performed. Three critical requirements of these services include: (i) essentially 100% restoration capability, (ii) small...
Satisfying the quality of service (QoS) requirements is one of the main objectives in the design and implementation of IP-based next generation networks (NGN). This paper formalizes an efficient NGN resource-based call admission control (CAC) method which guarantees the QoS requirements expressed in terms of per-service traffic flow throughput, latency, jitter, loss and authorized waiting delay. The...
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