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Title: Curbing aggregate member flow burstiness to bound end-to-end delay in networks of TDMA crossbar real-time switches
Authors: Wang, Q 
Wang, Y
Zheng, R
Liu, X
Issue Date: Dec-2012
Source: RTSS 2012 : proceedings of the 2012 IEEE 33rd Real-Time Systems Symposium : San Juan, Puerto Rico, 5-7 Dec. 2012, p.14-25
Abstract: To integrate the nowadays rapidly expanding distributed real-time systems, we need multi-hop real-time switched networks. A (if not "the") widely recognized/adopted real-time switch architecture is the TDMA crossbar real-time (TCRT) switch architecture. However, the original TCRT switch architecture assumes per-flow queueing. To support scalability, however, queue sharing (i.e. flow aggregation), must be allowed. With simple flow aggregation, flow burstiness can grow and infect, making schedulability and end-to-end delay bound analysis an open problem. To deal with this, we propose the real-time aggregate scheme. The scheme complies with the existing TCRT switch architecture, and deploys spatial-temporal isolation and over-provisioning to curb aggregate member flows' burstiness. This allows us to derive the closed-form end-to-end delay bound, and give the corresponding resource planning and admission control strategies. Simulations are carried out to show the effectiveness of the design.
Keywords: Aggregate
QoS
Real-time
Switch
Publisher: IEEE Computer Society
ISBN: 978-1-4673-3098-5
ISSN: 1052-8725
DOI: 10.1109/RTSS.2012.55
Rights: © 2012 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
The following publication Wang, Q., Wang, Y., Zheng, R., & Liu, X. (2012, December). Curbing aggregate member flow burstiness to bound end-to-end delay in networks of TDMA crossbar real-time switches. In Real-Time Systems Symposium (RTSS), 2012 IEEE 33rd (pp. 14-25). IEEE is available at http://dx.doi.org/10.1109/RTSS.2012.55
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