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Software-defined networking: management requirements and challenges

Some of the main management requirements of SDN are identified by identifying current proposals and highlighting major challenges that need to be addressed to allow wide adoption of the paradigm and related technology.
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A framework for risk assessment based on analysis of historical information of workflow execution in IT systems

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ATLANTIC: A framework for anomaly traffic detection, classification, and mitigation in SDN

It is argued that Software-Defined Networking (SDN) form propitious environments for the design and implementation of more robust and extensible anomaly classification schemes.
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A One-Class NIDS for SDN-Based SCADA Systems

The benefits of using Software-Defined Networking (SDN) to assist in the deployment of next generation SCADA systems are discussed and a specific Network-Based Intrusion Detection System (NIDS) for SDN-basedSCADA systems is presented, which uses SDN to capture network information and is responsible for monitoring the communication between power grid components.
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Using Empirical Estimates of Effective Bandwidth in Network-Aware Placement of Virtual Machines in Datacenters

Experimental results show that, in contrast to the Oktopus network-aware VM placement system, MAPLE can allocate computing and network resources in a manner that balances efficiency of resource utilization with performance predictability.
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Capitalizing on SDN-based SCADA systems: An anti-eavesdropping case-study

A mechanism that aims to prevent a possible eavesdropper from fully capturing communication flows between SCADA components is designed and implemented as an SDN-based application for SCADA systems that uses multipath routing, which relies on SDN features to frequently modify communication routes.
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Resource management in IaaS cloud platforms made flexible through programmability

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Network-aware placement of virtual machine ensembles using effective bandwidth estimation

MAPLE is described, a network-aware VM ensemble placement scheme that uses empirical estimations of the effective bandwidth required between servers to ensure that QoS violations are within targets specified in the SLA for the tenant application.
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Maestro: An NFV Orchestrator for Wireless Environments Aware of VNF Internal Compositions

Maestro is proposed: an NFV orchestrator for wireless environments that is able to decide among several possible VNF compositions which are more suitable for each situation, and it is shown how fronthaul bandwidth consumption can be reduced threefold considering different V NF compositions against atomic VNF placement.
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Improving IT Change Management Processes with Automated Risk Assessment

A solution for automating the risk assessment process, which combines historical data from previous changes and analyzes impact of changes over affected elements is presented, which is capable of raising the quality of changes, therefore reducing service disruption caused by changes.
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