Abstract
High bandwidth Internet connections and applications demands aregrowing so rapidly because of the Internet arising usages either onbusiness or entertainment. Adding new links to cover the extrademand is the simplest solution but it always comes with financialissues due to the extra cost it adds. That’s why researchers andleading companies should search for smarter alternatives. InternetService Providers (ISPs) should improve their networks inperspective of the utilization of the bandwidth and the managementof their resources. Two techniques have been introduced separatelyto support in addressing the bandwidth utilization problems in theISPs networks, the Multi-Protocol Label Switching – TrafficEngineering (MPLS-TE) and the DiffServ Quality of Service (QoS).Inthis paper, the two techniques are used together to get the highestperformance, the best resources management and an efficientbandwidth utilization. Multiple experiments have been held indifferent variations using one or more of the Diffserv-aware MPLSTE, Low Latency Queuing (LLQ), Russian Dolls Model (RDM) andMaximum Allocation Model (MAM) model. The best results for bothIPv4 and IPv6 were obtained using Diffserv-aware TE in RDM modelin conjunction with LLQ.
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