Efficient access of mobile flows to heterogeneous networks under flash crowds

Moura, José; Edwards, C.

doi:10.1016/j.comnet.2016.04.010

Cited by 6 publications

(4 citation statements)

References 31 publications

(52 reference statements)

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“…In addition, the mobile network edge access should be investigated in novel ways, e.g. ubiquitous access, supported in previous related work [26]. Further, legacy networking techniques for achieving end-user QoS are still relevant, such as the notion of filters as originally proposed in [27].…”

Section: Review Of Literaturementioning

confidence: 99%

Modeling cooperative behavior for resilience in cyber-physical systems using SDN and NFV

Moura

Hutchison

2020

SN Appl. Sci.

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Cyber-Physical Systems (CPSs) are increasingly important in everyday applications including the latest mobile devices, power grids and intelligent buildings. CPS functionality has intrinsic characteristics including considerable heterogeneity, variable dynamics, and complexity of operation. These systems also typically have insufficient resources to satisfy their full demand for specialized services such as data edge storage, data fusion, and reasoning. These novel CPS characteristics require new management strategies to support the resilient global operation of CPSs. To reach this goal, we propose a Software Defined Networking based solution scaled out by Network Function Virtualization modules implemented as distributed management agents. Considering the obvious need for orchestrating the distributed agents towards the satisfaction of a common set of global CPS functional goals, we analyze distinct incentive strategies to enact a cooperative behavior among the agents. The repeated operation of each agent's local algorithm allows that agent to learn how to adjust its behavior following both its own experience and observed behavior in neighboring agents. Therefore, global CPS management can evolve iteratively to ensure a state of predictable and resilient operation.

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Section: Review Of Literaturementioning

confidence: 99%

Modeling cooperative behavior for resilience in cyber-physical systems using SDN and NFV

Moura

Hutchison

2020

SN Appl. Sci.

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“…minimum energy consumption, low delay and interference, high rate and robustness). Additional advantages include [19]: i) combining wireless and backhaul resources in the network selection; and ii) orchestrating flow admission and rate policing to guarantee end-to-end QoS/QoE. Other edge access networks visualized in Fig.…”

Section: Fig 1 Mec/fog Emerging Environmentmentioning

confidence: 99%

Game Theory for Multi-Access Edge Computing: Survey, Use Cases, and Future Trends

Moura

Hutchison

2019

IEEE Commun. Surv. Tutorials

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169

108

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Game Theory (GT) has been used with significant success to formulate, and either design or optimize, the operation of many representative communications and networking scenarios. The games in these scenarios involve, as usual, diverse players with conflicting goals. This paper primarily surveys the literature that has applied theoretical games to wireless networks, emphasizing use cases of upcoming Multi-Access Edge Computing (MEC). MEC is relatively new and offers cloud services at the network periphery, aiming to reduce service latency backhaul load, and enhance relevant operational aspects such as Quality of Experience or security. Our presentation of GT is focused on the major challenges imposed by MEC services over the wireless resources. The survey is divided into classical and evolutionary games. Then, our discussion proceeds to more specific aspects which have a considerable impact on the game's usefulness, namely: rational vs. evolving strategies, cooperation among players, available game information, the way the game is played (single turn, repeated), the game's model evaluation, and how the model results can be applied for both optimizing resource-constrained resources and balancing diverse trade-offs in real edge networking scenarios. Finally, we reflect on lessons learned, highlighting future trends and research directions for applying theoretical model games in upcoming MEC services, considering both network design issues and usage scenarios.

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“…This work focused on the connectivity management in handover technologies, which is different with our work. A scalable solution was proposed to automatically balance the traffic from the heterogeneous network operation environments [48] in order to optimize the target network. All these works focused on either traffic optimization, or middlewares, or policy language and enforcement.…”

Section: Related Workmentioning

confidence: 99%

Characterizing the behavior of handheld devices and its implications

et al. 2017

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The Bring-Your-Own-Handheld-device (BYOH) phenomenon continues to make inroads as more people bring their own handheld devices to work or school. While convenient to device owners, this trend presents novel management challenges to network administrators as they have no control over these devices and no solid understanding of the behavior of these emerging devices. In order to cope with the impact of these BYOHs on current existing network management infrastructures, we identify two tightly-coupled questions that network administrators need to answer: (a) how do these BYOHs behave? and (b) how can we manage them more effectively based on the understanding of their behaviors? In response, we design and deploy Brofiler, a framework that could enable network administrators to effectively manage BYOHs via behavior-aware profiling. Our behavior-aware profiling captures the behaviors of each individual BYOH and improves the visibility on managing these BYOHs. In detail, the contributions of our work are threefold. First, we present Brofiler, a time-aware device-centric approach for grouping devices into intuitive behavioral groups from multiple perspectives, including data plane, temporal behavior, and the protocol and control plane. Second, we conduct an extensive study of BYOHs using our approach with real data collected over a year, and highlight several novel insights on the behavior of BYOHs. For example, we find that 70% of the BYOHs generate 50% of their monthly data traffic in one day, while remaining mostly idle the rest of the month. In addition, 68% of BYOHs do not conform to DHCP protocol specifications. Third, we present the implications of our study based on the framework in DHCP management, bandwidth management and access control. Overall, our approach could enable network administrators better understand and manage these new emerging devices for their networks in the post-PC era.

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Efficient access of mobile flows to heterogeneous networks under flash crowds

Cited by 6 publications

References 31 publications

Modeling cooperative behavior for resilience in cyber-physical systems using SDN and NFV

Modeling cooperative behavior for resilience in cyber-physical systems using SDN and NFV

Game Theory for Multi-Access Edge Computing: Survey, Use Cases, and Future Trends

Characterizing the behavior of handheld devices and its implications

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