Enhanced Fast Failover for Software-Defined Smart Grid Communication Networks

Dorsch, Nils; Kurtz, Fabian; Girke, Felix; Wietfeld, Christian

doi:10.1109/glocom.2016.7841813

Cited by 24 publications

(14 citation statements)

References 13 publications

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“…In previous work we proposed an SDN controller framework, which provides fault tolerance and dynamically adaptable service guarantees for Smart Grid communications [9,15,39]. Compared to these publications and other related work discussed above, we achieve the following improvements and contributions in this paper:…”

Section: Related Workmentioning

confidence: 83%

Enabling hard service guarantees in Software-Defined Smart Grid infrastructures

2018

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Information and Communication Technology (ICT) infrastructures play a key role in the evolution from traditional power systems to Smart Grids. Increasingly fluctuating power flows, sparked by the transition towards sustainable energy generation, become a major issue for power grid stability. To deal with this challenge, future Smart Grids require precise monitoring and control, which in turn demand for reliable, real-time capable and cost-efficient communications.For this purpose, we propose applying Software-Defined Networking (SDN) to handle the manifold requirements of Smart Grid communications. To achieve reliability, our approach encompasses fast recovery after failures in the communication network and dynamic service-aware network (re-)configuration. Network Calculus (NC) logic is embedded into our SDN controller for meeting latency requirements imposed by the standard IEC 61850 of the International Electrotechnical Commission (IEC). Thus, routing provides delay-optimal paths under consideration of existing cross traffic. Also, continuous latency bound compliance is ensured by combining NC delay supervision with means of flexible reconfiguration. For evaluation we consider the well-known Nordic 32 test system, on which we map a corresponding communication network in both experiment and emulation. The described functionalities are validated, employing $ c 2018. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/. The formal version of this publication is realistic IEC 61850 transmissions and distributed control traffic. Our results show that hard service guarantees can be ensured with the help of the proposed SDN solution. On this basis, we derive extremely time critical services, which must not be subjected to flexible reconfiguration. Service Guarantees, Software-Defined Networking, Network Calculus.culus, for enabling respectively verifying hard service guarantee compliance.Afterwards, results of related work are described and compared to this article. Smart Grid Communication Use CasesSmart Grid communication requirements can be roughly divided into distribution and transmission grid use cases, as detailed below. While these power system levels exhibit widely diverging demands, SDN offers an integrated approach for associated communications. Managing the Distribution Power GridCommunication-dependent applications in the distribution power grid comprise Automated Meter Reading (AMR), DSM, monitoring and control of Distributed Energy Resources (DER), as well as coordination of EV charging. AMR is considered a fundamental function of smart distribution grids, providing measurement data as the basis for more advanced applications, such as novelty detection power meters [11]. For this concept machine learning is deployed on distributed energy measurement data to optimize the energy consumption times of end users. Also, anomalies can be detected, revealing energy consumption that deviates from common patterns (e.g. non-technical losses)....

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Section: Related Workmentioning

confidence: 83%

Enabling hard service guarantees in Software-Defined Smart Grid infrastructures

2018

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“…By applying SDN in SG systems, efficiency and resiliency can potentially be improved [20]. For instance, the SDN based SG can be used for load balancing and shifting, for dynamically adjusting the routing paths for SG control commands [21], fast failure detection [22], security [23], self-healing [24], and for monitoring and scheduling of critical SG traffic flows. Moreover, SDN will help to evolve the SG to embrace with new technologies, services, and needs.…”

Section: A Motivation: Need Of Software Defined Network Based Sgmentioning

confidence: 99%

“…4) Fault Tolerance: Fault tolerance in SG means the ability of the SG system to sustain operating properly even in the presence of a fault. There are lot of works done to incorporate fault tolerance capability in SG through SDN [22], [102], [103].…”

Section: B Sg Resiliencementioning

confidence: 99%

“…Fault tolerance mechanism for SDN based SG has been presented by Dorsch et al [22]. In fact, fault tolerance in SG is achieved by using SDN technology.…”

Section: B Sg Resiliencementioning

confidence: 99%

“…In link failure detection, the authors of [22] aimed is reducing link failure detection delay. For this purpose, authors used bidirectional forwarding detection (BFD) and SDN controller's heart beat (HB) mechanisms.…”

Section: B Sg Resiliencementioning

confidence: 99%

See 2 more Smart Citations

Software Defined Networks-Based Smart Grid Communication: A Comprehensive Survey

Rehmani

Davy

Jennings

et al. 2019

IEEE Commun. Surv. Tutorials

182

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The current power grid is no longer a feasible solution due to ever-increasing user demand of electricity, old infrastructure, and reliability issues and thus require transformation to a better grid a.k.a., smart grid (SG). The key features that distinguish SG from the conventional electrical power grid are its capability to perform two-way communication, demand side management, and real time pricing. Despite all these advantages that SG will bring, there are certain issues which are specific to SG communication system. For instance, network management of current SG systems is complex, time consuming, and done manually. Moreover, SG communication (SGC) system is built on different vendor specific devices and protocols. Therefore, the current SG systems are not protocol independent, thus leading to interoperability issue. Software defined network (SDN) has been proposed to monitor and manage the communication networks globally. By separating the control plane from the data plane, SDN helps the network operators to manage the network flexibly. Since SG heavily relies on communication networks, therefore, SDN has also paved its way into the SG. By applying SDN in SG systems, efficiency and resiliency can potentially be improved. SDN, with its programmability, protocol independence, and granularity features, can help the SG to integrate different SG standards and protocols, to cope with diverse communication systems, and to help SG to perform traffic flow orchestration and to meet specific SG quality of service requirements. This article serves as a comprehensive survey on SDN-based SGC. In this article, we first discuss taxonomy of advantages of SDNbased SGC. We then discuss SDN-based SGC architectures, along with case studies. Our article provides an in-depth discussion on routing schemes for SDN-based SGC. We also provide detailed survey of security and privacy schemes applied to SDN-based SGC. We furthermore present challenges, open issues, and future research directions related to SDN-based SGC. Index Terms-Software defined network (SDN), smart grid (SG), advanced metering infrastructure (AMI), renewable energy resources (RERs), home area networks (HANs), network management.

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