Research: Adaptive priority timer control of the SAE LTPB for fair prioritization in military avionics networks

Authors:
T Burrage;S Ward
Affiliations:
Electronics & Communications Division, School of Engineering, University of Huddersfield, Queensgate, Huddersfield, West Yorkshire, HD1 3DH, UK;Electronics & Communications Division, School of Engineering, University of Huddersfield, Queensgate, Huddersfield, West Yorkshire, HD1 3DH, UK
Venue:
Computer Communications
Year:
1995

Citing 3
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Abstract

The issue of achieving useful and fair prioritization from the SAE LTPB LAN when applied in future military avionics networks is considered. The lack of fairness with the timed-token prioritization mechanism when applied to practical asymmetrically-loaded networks is identified as a key problem: a problem which also arises with FDDI. A performance control mechanism based on adaptive timer control is described. Simulation results are presented which demonstrate that the mechanism can induce fairness in the form of equal delays for packets of a given priority, regardless of load distribution over the network or node position.