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29 August 2002 3P or 4P: new issues in future packet switching networks
Xian Liu
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Proceedings Volume 4909, Network Design and Management; (2002) https://doi.org/10.1117/12.481076
Event: Asia-Pacific Optical and Wireless Communications 2002, 2002, Shanghai, China
Abstract
The latest evolution of packet switching networks is represented by the DiffServ and MPLS architectures, where much attention has been paid to the issue on traffic stream priorities. This article addresses some subsequent issues. First, it seems reasonable for routers to include the preemption policy into packet scheduling. Secondly, the parallel forwarding may find its indispensable place. Thirdly, the path-node incidence is perhaps more appropriate for network modeling than the link-node incidence. Finally, it appears that nonlinear models incorporating load-dependent parameters would play a role in future IP networks. In summary, the 3P or 4P features -- Priority, Preemption, and Parallelism plus Path-node incidence may bring significant changes into the nowadays packet switching networks.
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Xian Liu "3P or 4P: new issues in future packet switching networks", Proc. SPIE 4909, Network Design and Management, (29 August 2002); https://doi.org/10.1117/12.481076
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KEYWORDS
Packet switching
Network architectures
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