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We have implemented point-to-multipoint (PtMP) services on a packet transport system (PTS) based on PBB-TE. On the implemented PtMP services, a root sent customer frames to three leaves in the forward direction and then MAC-in-MAC frames of IEEE 802.1ah were duplicated and transmitted to three leaves simultaneously. In the backward direction, one leaf transmitted the customer frames and the only root...
Supporting guaranteed QoS is a significant issue in packet transport networks. Since various services require their own quality of service, flow-based traffic management that properly controls network resources when traffic congestion occurs is required for network nodes. In this paper, we propose an integrated flow management scheme to support guaranteed QoS in packet transport systems that comprise...
This work investigates how hierarchical quality of service (QoS) could be realized in PBB-TE networks. The QoS mechanism is implemented using two rate three color marker (trTCM) and weighted fair queuing (WFQ) algorithms. We verify the performance of the QoS mechanism by measuring policing accuracies for four hierarchical QoS levels.
In this paper, we present the design and implementation of IPv6 packet forwarding engine for flow based router which has the capability to handle several millions of flows at wire speed in high-speed networks. The IPv6 packet forwarding engine allows the improvement of both its performance and its flexibility with existing network processors. The functionality of the design has been tested using the...
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