NDLI: Scheduling for end-to-end deadline-constrained traffic with reliability requirements in multi-hop networks

Content Provider	IEEE Xplore Digital Library
Author	Ruogu Li Eryilmaz, A.
Copyright Year	2011
Description	Author affiliation: Department of Electrical and Computer Engineering at The Ohio State University, Columbus, 43210 USA (Ruogu Li; Eryilmaz, A.)
Abstract	We attack the challenging problem of designing a scheduling policy for end-to-end deadline-constrained traffic with reliability requirements in a multi-hop network. It is well-known that the end-to-end delay performance for a multi-hop flow has a complex dependence on the high-order statistics of the arrival process and the algorithm itself. Thus, neither the earlier optimization based approaches that aim to meet the long-term throughput demands, nor the solutions that focus on a similar problem for single-hop flows directly apply. Moreover, a dynamic programming-based approach becomes intractable for such multi-time scale Quality-of-Service(QoS)-constrained traffic in a multi-hop environment. This motivates us in this work to develop an alternative model that enables us to exploit the degree of freedom in choosing appropriate service discipline. Based on the new model, we propose two alternative solutions, first based on a Lyapunov-drift minimization approach, and second based on a novel relaxed optimization-formulation. We provide extensive numerical results to compare the performance of both of these solutions to throughput-optimal back-pressure-type schedulers and to longest waiting time based schedulers that have provably optimal asymptotic performance characteristics. Our results reveal that the dynamic choice of service discipline of our proposed solutions yields substantial performance improvements compared to both of these types of traditional solutions under non-asymptotic conditions.
Starting Page	3065
Ending Page	3073
File Size	577128
Page Count	9
File Format	PDF
ISBN	9781424499199
ISSN	0743166X
e-ISBN	9781424499212
DOI	10.1109/INFCOM.2011.5935150
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-04-10
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Delay Quality of service Upper bound Numerical models Spread spectrum communication Heuristic algorithms Optimization
Content Type	Text
Resource Type	Article
Subject	Computer Science Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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