SSPSoC: A Secure SDN-Based Protocol over MPSoC

In recent years, Multi-Processor System-on-Chips (MPSoCs) are widely deployed in safety-critical embedded systems. The Cloud-of-Chips (CoC) is a scalable MPSoC architecture comprised of a large number of interconnected Integrated Circuits (IC) and Processing Clusters (PC) destined for critical systems. While many researches have focused on addressing the hardware issues of MPSoCs, the communication over them has not been very well explored. Following the SDN concept, we propose a new protocol in order to secure the communication and efficiently manage the routing within the CoC. The SSPSoC includes a private key derivation phase, a group key agreement (GKA) phase, and a data exchange phase in order to ensure that basic security primitives are preserved and provide secure communication. Furthermore, a network of 1-30 nodes is set in order to validate the proposed protocol and measure the network performance and memory consumption of the proposed protocol.

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NETWORK PERFORMANCE IMPACTS ON OPERATORS IN SAFETY-CRITICAL SYSTEMS

International Journal of Information Technology & Decision Making ◽

10.1142/s0219622006001836 ◽

2006 ◽

Vol 05 (01) ◽

pp. 173-194 ◽

Cited By ~ 5

Author(s):

TUNCAY BAYRAK ◽

MARTHA R. GRABOWSKI

Keyword(s):

Network Performance ◽

Human Performance ◽

Network Reliability ◽

Theoretical Background ◽

Wide Area ◽

Wide Area Networks ◽

Critical Systems ◽

Safety Critical ◽

The Impact ◽

Operator Workload

Safety-critical wide area networks are comprised of human and technical elements cooperatively performing tasks in a safety-critical setting. In such settings, both human and technical dimensions are critical in performance evaluation. It is the relationships between changes in network performance and their impacts on human operator performance with safety-critical wide area networks that we investigate in this research. The paper begins by examining the theoretical background for this research, and then describes the research model. It was found that decreases in network reliability were associated with expected degradations in operator satisfaction, operator confidence, and increases in operator workload. Likewise, it was found that an increased number of network tasks processed was associated with a decrease in operator accuracy and decreased operator communication. The results of this study suggest that understanding the impact of the network performance on human performance is important in safety-critical settings employing wide-area networks.

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Private key agreement and secure communication for heterogeneous sensor networks

Journal of Parallel and Distributed Computing ◽

10.1016/j.jpdc.2010.03.009 ◽

2010 ◽

Vol 70 (8) ◽

pp. 858-870 ◽

Cited By ~ 30

Author(s):

Sk.Md. Mizanur Rahman ◽

Khalil El-Khatib

Keyword(s):

Sensor Networks ◽

Secure Communication ◽

Key Agreement ◽

Heterogeneous Sensor Networks ◽

Private Key

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Implementing Syntax Evolution of Embedded Systems

International Journal of Electrical and Computer Engineering (IJECE) ◽

10.11591/ijece.v5i6.pp1525-1535 ◽

2015 ◽

Vol 5 (6) ◽

pp. 1525

Author(s):

Sasi Bhanu Jammalamadaka ◽

Vinaya Babu A ◽

Trimurthy P

Keyword(s):

Embedded Systems ◽

Embedded System ◽

Critical Systems ◽

Internet Communication ◽

Critical System ◽

Safety Critical ◽

Safety Critical System ◽

Remote Locations ◽

Safety Critical Systems ◽

The Embedded System

<p>Safety critical systems such as nuclear recator systems cannot be shutdown as restrating is a huge process and incurs heavy cost. The embedded systems which are used for monitoring and controlling the safety critival systems cannot be shut down as well. ES systems which drives safety critical systems must be communicated from remote locations generally through a HOST connected on to Internet. Communication between the HOST and ES system is done using commnd lanaguage which has to be evolved from time to time. The chnage to the commnd lanauage must be undertaken while the embedded system is up and running, the evolution thus must be dynamic. Many architetcuers have been propsoed in the lieteratuer for evolving synatx of command lanaguage.The implemntaion of effcient architetcuer as such has not been found in the literatuer without which existing architetcuer as such has no menaing.</p><p>The paper presntes a set of methods using which the syntax evolution of embedded systems as such can be achived. The synatx evolution methods have been applied to a safety critical system that monitors and controls tempartuers within a Nuclear recator system.</p>

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Test Case Generation Method for Increasing Software Reliability in Safety-Critical Embedded Systems

Electronics ◽

10.3390/electronics9050797 ◽

2020 ◽

Vol 9 (5) ◽

pp. 797 ◽

Cited By ~ 1

Author(s):

Bongjoo Koo ◽

Jungho Bae ◽

Seogbong Kim ◽

Kangmin Park ◽

Hyungshin Kim

Keyword(s):

Embedded Systems ◽

Software Testing ◽

Software Reliability ◽

Test Case ◽

Testing Time ◽

Critical Systems ◽

Critical System ◽

Safety Critical ◽

Implementation Under Test ◽

Finite State

Finite-state machines (FSMs) and the W method have been widely used in software testing. However, the W method fails to detect post-processing errors in the implementation under test (IUT) because it ends testing when it encounters a previously visited state. To alleviate this issue, we propose an enhanced fault-detection W method. The proposed method does not stop the test, even if it has reached a previously visited state; it continues to test and check the points that the W method misses. Through various case studies, we demonstrated software testing using the W method and the proposed method. From the results, it can be inferred that the proposed method can more explicitly determine the consistency between design and implementation, and it is a better option for testing larger software. Unfortunately, the testing time of the proposed method is approximately 1.4 times longer than that of the W method because of the added paths. However, our method is more appropriate than the W method for software testing in safety-critical systems, even if this method is time consuming. This is because the error-free characteristics of a safety-critical system are more important than anything else. As a result, our method can be used to increase software reliability in safety-critical embedded systems.

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