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Proceedings Paper

3P or 4P: new issues in future packet switching networks
Author(s): Xian Liu
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Paper 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.

Paper Details

Date Published: 29 August 2002
PDF: 9 pages
Proc. SPIE 4909, Network Design and Management, (29 August 2002); doi: 10.1117/12.481076
Show Author Affiliations
Xian Liu, Univ. of Arkansas/Little Rock (United States)


Published in SPIE Proceedings Vol. 4909:
Network Design and Management
Qian Mao; Shoa-Kai Liu; Kwok-wai Cheung, Editor(s)

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