Threshold configuration and routing optimization for PCN-based resilient admission control
Computer Networks: The International Journal of Computer and Telecommunications Networking
PCN-based flow termination with multiple bottleneck links
ICC'09 Proceedings of the 2009 IEEE international conference on Communications
A Survey of PCN-Based Admission Control and Flow Termination
IEEE Communications Surveys & Tutorials
PCN-based flow termination with multiple bottleneck links
ICC'09 Proceedings of the 2009 IEEE international conference on Communications
PCN-based measured rate termination
Computer Networks: The International Journal of Computer and Telecommunications Networking
PCN-based marked flow termination
Computer Communications
RCFT: A Termination Method for Simple PCN-Based Flow Control
Journal of Network and Systems Management
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Pre-congestion notification (PCN) defines admissible rates (AR) and supportable rates (SR) per link and marks the PCN traffic rate above these thresholds as AR- or SR-overload. The IETF standardizes simple mechanisms for admission control (AC) and flow termination (FT) based on this PCN-feedback for high-priority DiffServ traffic. While admission control (AC) has been extensively discussed in the literature, flow termination (FT) is a new control function. In this paper we propose an algorithm that converts marked AR-overload into marked SR-overload by unmarking appropriate packets. Classic marked flow termination (MFT) is based on marked SR-overload and works well even with a small number of PCN flows per ingress-egress aggregate and in case of multipath routing. Thanks to the new marking converter MFT also works with marked AR-overload so that a single marking scheme suffices to support AC and FT. We investigate whether MFT with marking conversion based on AR-overload retains the benefits classic MFT.