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Flexnets: Evaluating flexibility in softwarized communication networks

Wolfgang Kellerer
2017 2017 14th International Conference on Telecommunications (ConTEL)  
dedicated middleboxes (1) SDN design: separation of control and data plane for GWs only control to cloud control and data to cloud Flexibility measure: Function placement problem formulated  ...  Wolfgang Kellerer | Chair of Communication Networks | TUM 100% • New request to an SDN-network: Controller Capacity (cc) is increased • Can such new request be supported? 12 Prof.  ... 
doi:10.23919/contel.2017.8000010 dblp:conf/contel/Kellerer17 fatcat:32525vtojnaazgwcvewgqfpe24

A Systematic Design Method for Large-Scale Wireless Ad Hoc Network Protocol Based on Optimization Decomposition Theory

Chaonong Xu, Chi Zhang, Yongjun Xu, Zhiguang Wang
2015 International Journal of Distributed Sensor Networks  
Two examples of wireless protocol design, the transmission control protocol and the joint congestion control and power control protocol, are given to demonstrate its validity.  ...  However, for large-scale wireless ad hoc network, although protocol could be viewed as a recursive solving of a global optimization problem, protocol design is still facing huge challenge because an effective  ...  We can decompose problem (19) in another way. First, we use dual decomposition method to decompose the problem.  ... 
doi:10.1155/2015/820692 fatcat:annmjcbssngpfpnurpgw3be7gm

Page 264 of Mathematical Reviews Vol. 47, Issue 1 [page]

1974 Mathematical Reviews  
Authors’ summary: “Two problems relevant to the design of a store-and-forward communication network (the mes- sage routing problem and the channel capacity assignment problem) are formulated and are recognized  ...  Fratta, L.; Gerla, M.; Kleinrock, L. 1549 The flow deviation method: An approach to store-and- forward communication network design. Networks 3 (1973), 97-133.  ... 

Layering as Optimization Decomposition: Questions and Answers

Mung Chiang, Steven Low, A. Calderbank, John Doyle
2006 MILCOM 2006  
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  ...  Network protocols may instead be holistically analyzed and systematically designed as distributed solutions to some global optimization problems in the form of generalized Network Utility Maximization  ...  ACKNOWLEDGEMENT We would like to gratefully acknowledge the collaborations and interactions on this topic with many colleagues, including Stephen Boyd, Ma'ayan Bresler, Lijun Chen The work summarized in  ... 
doi:10.1109/milcom.2006.302293 fatcat:af724jimzbgvbaxulhtkuvjz3i

MSN: A Playground Framework for Design and Evaluation of MicroServices-Based sdN Controller

Sisay Tadesse Arzo, Domenico Scotece, Riccardo Bassoli, Daniel Barattini, Fabrizio Granelli, Luca Foschini, Frank H. P. Fitzek
2021 Journal of Network and Systems Management  
To fill that gap, this article derives some important design guidelines to decompose an SDN controller into a set of microservices.  ...  Next, it also proposes a microservices-based decomposed controller architecture, foreseeing communications issues between the controller sub-functions.  ...  Section 2 discusses the motivation and background of decomposing an SDN controller. Section 3 presents the design guidelines for decomposing an SDN controller into microservices.  ... 
doi:10.1007/s10922-021-09631-7 fatcat:6fxlvobjejamrbetjbmw5cgiiy

WNOS

Zhangyu Guan, Lorenzo Bertizzolo, Emrecan Demirors, Tommaso Melodia
2018 Proceedings of the Eighteenth ACM International Symposium on Mobile Ad Hoc Networking and Computing - Mobihoc '18  
This article investigates the basic design principles for a new Wireless Network Operating System (WNOS), a radically different approach to software-defined networking (SDN) for infrastructure-less wireless  ...  Finally, we illustrate a prototype implementation of WNOS on software-defined radio devices and test its effectiveness by considering specific cross-layer control problems.  ...  Importantly, to define a network control problem, the designer does not have to consider all implementation details of the networking protocol stack.  ... 
doi:10.1145/3209582.3209607 dblp:conf/mobihoc/GuanBDM18 fatcat:4y4evufhdja25ovfbq4dtktw5q

WNOS: An Optimization-based Wireless Network Operating System [article]

Zhangyu Guan, Lorenzo Bertizzolo, Emrecan Demirors, Tommaso Melodia
2017 arXiv   pre-print
This article investigates the basic design principles for a new Wireless Network Operating System (WNOS), a radically different approach to software-defined networking (SDN) for infrastructure-less wireless  ...  Finally, we illustrate a prototype implementation of WNOS on software-defined radio devices and test its effectiveness by considering specific cross-layer control problems.  ...  Next, we present a theoretical framework based on which distributed control programs can be designed for arbitrary user-de ned network control problems. e core design principle is to decompose a coupled  ... 
arXiv:1712.08667v1 fatcat:mfgicxwxufgghn2rds5q2prmdi

CONGESTION CONTROL BASED ON SLIDING MODE CONTROL AND SCHEDULING WITH PRIORITIZED QUEUING FOR WIRELESS NETWORKS

R.Keerthana .
2014 International Journal of Research in Engineering and Technology  
The communication among these two sub problems is given by the lagrangian price value.  ...  Incorporating dual decomposition enables the joint congestion control and scheduling problem to be considered separately.  ...  The NUM problem is decomposed and to solve the congestion control problem, a distributed sliding mode controller is designed to provide multipath rate adaptation to satisfy QoS constraints.  ... 
doi:10.15623/ijret.2014.0319152 fatcat:fb72rh26vresfjo4bw2iy36ck4

Applying NFV and SDN to LTE mobile core gateways, the functions placement problem

Arsany Basta, Wolfgang Kellerer, Marco Hoffmann, Hans Jochen Morper, Klaus Hoffmann
2014 Proceedings of the 4th workshop on All things cellular: operations, applications, & challenges - AllThingsCellular '14  
We refer to this problem as the functions placement problem.  ...  Whereas these new concepts are considered as very promising drivers to design cost efficient mobile network architectures, limited attention has been drawn to the network load and infringed data-plane  ...  As a solution to the functions placement problem, we provide a model that minimizes the network load, comprised of transport data-plane in addition to SDN control if decomposed gateways are present, for  ... 
doi:10.1145/2627585.2627592 dblp:conf/sigcomm/BastaKHMH14 fatcat:tnyazu7drnaazjkwgsnvtxwfpa

Community Based Network Reconstruction for an Evolutionary Algorithm Framework

Suma V
2021 Journal of Artificial Intelligence and Capsule Networks  
A test suite is also designed to verify the performance of community based network reconstruction with respect to the complex network issue.  ...  Accordingly, this proposed work is focused on developing a multi-objective network reconstruction based on community structure in order to improve the network construction using ES by boosting their reconstruction  ...  To overcome this issue, the gap between the decomposed problem and the original problem is bridged using the proposed strategy.  ... 
doi:10.36548/jaicn.2021.1.005 fatcat:q25tanxncrgqdbe6yceduydryy

EVALUATION OF DUAL DECOMPOSITION AS A METHOD OF SIMULTANEOUS ROUTING AND RESOURCE ALLOCATION (SRRA)

Murali Sankarshan, S. A. Murthy
2015 ELK Asia Pacific Journal of Project Management and Control  
The resource allocation problem can be decomposed further into sub-problems at every node including variables of local communication of outgoing connections.  ...  in computer networks to link power and flow control in wireless networks.  ... 
doi:10.16962/eapjpmc/issn.2394-9376/2015/v1i1.03 fatcat:ks4mrh5qebcrridkidkkrxhqca

Synchronization problem on networking and synthesis based on algebraic graph theory

Richa Agarwal, Shivam Agarwal
2018 Malaya Journal of Matematik  
This paper describes uses of graph theory to 'some of the problems of network synthesis and analysis, beginning with the ancient period of network theory.  ...  This paper is concerned with the adaptive pinning synchronization problem of stochastic complex dynamical networks (CDNs).  ...  We will introduced Lagrange multipliers to relax the capacity constraints, so that the SRRA problem is decomposed into a network routing sub problems and a communication resources allocation sub problem  ... 
doi:10.26637/mjm0s01/10 fatcat:n5dyrluoqzbv7jimoeppswwxxa

Layering As Optimization Decomposition: Current Status and Open Issues

Mung Chiang, Steven H. Low, A. Robert Calderbank, John C. Doyle
2006 2006 40th Annual Conference on Information Sciences and Systems  
There are clearly more than one way to "divide and conquer" the network design problem.  ...  Network protocols may instead be holistically analyzed and systematically designed as distributed solutions to some global optimization problems in the form of generalized Network Utility Maximization  ...  Different decompositions of an optimization problem, in the form of a generalized Network Utility Maximization (NUM), are mapped to different layering schemes in a communication network, with each decomposed  ... 
doi:10.1109/ciss.2006.286492 fatcat:griqjircfbfurhdwi4iibumzne

Page 345 of Sage Urban Studies Abstracts Vol. 26, Issue 3 [page]

1998 Sage Urban Studies Abstracts  
The proposed algorithm solves a large network design problem by decomposing it in a sequence of smaller problems.  ...  These paths are generated to suit the network design problem and differ from the proposed heuristic to address realistic network design problems.  ... 

Page 11 of Journal of Research and Practice in Information Technology Vol. 11, Issue 1 [page]

1979 Journal of Research and Practice in Information Technology  
However to decompose an operation in to a number of elementary sub-operations on remotely located data would be self-defeating, because of the communication traffic, delays and integrity problems resulting  ...  The general problem is still the subject of research [see Adiba et al (1978)], and initial solutions are likely to rely on simplifcation of the problem by limitations in the design.  ... 
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