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Software-defined networking (SDN) overcomes many limitations of traditional networking architectures because of its programmable and flexible nature. Security applications, for instance, can dynamically reprogram a network to respond to ongoing threats in real time. However, the same flexibility also creates risk, since it can be used against the network. Current SDN architectures potentially allow...
With the growth of ECUs that are mounted in automobiles, the transmission capacity of Controller Area Network (CAN), which is currently used by most on-vehicle networks, is becoming insufficient, and therefore CAN With Flexible Data Rate (CAN-FD), presented by Bosch GmbH, is viewed as a nextgeneration standard. Recently, the number of attacks on ECUs connected to CAN has been increasing, and from...
Topology Discovery is an essential service in Software Defined Networks (SDN). Most SDN controllers use a de-facto standard topology discovery mechanism based on Open-Flow to identify active links in the network. This paper discusses the security, or rather lack thereof, of the current SDN topology discovery mechanism, and its vulnerability to link spoofing attacks. The feasibility and impact of the...
Software defined networking (SDN) decouples the network control and data planes. The network intelligence and state are logically centralized and the underlying network infrastructure is abstracted from applications. SDN enhances network security by means of global visibility of the network state where a conflict can be easily resolved from the logically centralized control plane. Hence, the SDN architecture...
Industrial Automation systems are considered critical infrastructure as part of process and power plants. In view of the increased attacks on energy utilities, it has become a norm for the customers to be comprehended by the security requirements. Industrial Automation and Power System standards have evolved to address these requirements. An approach aligned to these standards and well integrated...
Correctional Service Canada (CSC) operates 57 Institutions equipped with a range of mission critical Security, Communications and Access Management systems. These include CCTV assessment, intrusion detection, radio communications and door control systems. User Interfaces range from colour graphic touch screens to knobs, push buttons etc. Operational and technical challenges include the following issues:...
Due to the deregulation of the energy industry, an aggressively competitive market has evolved, which in turn has pressurised many utility owners and manufacturers towards amalgamating intelligent electronic devices (IEDs) in the entire power network. This merger of IEDs communication mediums will harness the full potential of distributed functions as well as enhancing the automation of the overall...
A scheme that exploits the broadcast nature of the wireless communication in order to achieve multicast content delivery is presented in this paper. As opposed to broadcasting, this method enables the clients to determine on-line the delivered content, and thus preserves the advantages of an individual service. On the other hand, a multicast content delivery is much more efficient than a unicast content...
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