NDLI: Layering As Optimization Decomposition: Framework and Examples

Content Provider	IEEE Xplore Digital Library
Author	Mung Chiang Low, S.H. Calderbank, A.R. Doyle, J.C.
Copyright Year	2006
Description	Author affiliation: Electrical Engineering Department, Princeton University, chiangm@princeton.edu (Mung Chiang)
Abstract	Network protocols in layered architectures have historically been obtained primarily on an ad-hoc basis. Recent research has shown that network protocols may instead be holistically analyzed and systematically designed as distributed solutions to some global optimization problems in the form of Network Utility Maximization (NUM), providing insight into what they optimize and structures of the network protocol stack. This paper presents a short survey of the recent efforts towards a systematic understanding of 'layering' as 'optimization decomposition', where the overall communication network is modeled by a generalized NUM problem, each layer corresponds to a decomposed subproblem, and the interfaces among layers are quantified as functions of the optimization variables coordinating the sub-problems. Different decompositions lead to alternative layering architectures. We summarize several examples of horizontal decomposition into distributed computation and vertical decomposition into functional modules such as congestion control, routing, scheduling, random access, power control, and coding.
Starting Page	52
Ending Page	56
File Size	684447
Page Count	5
File Format	PDF
ISBN	142440035X
DOI	10.1109/ITW.2006.1633780
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-03-13
Publisher Place	Uruguay
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless application protocol Design optimization Reverse engineering TCPIP Mobile ad hoc networks Utility programs Communication networks Computer architecture Distributed computing Distributed algorithms Wireless ad hoc networks Cross-layer design Distributed algorithm Lagrange duality Network utility maximization Optimization TCP/IP
Content Type	Text
Resource Type	Article

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