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Journal of Mobile, Embedded and Distributed Systems
Number of Followers: 15  

  This is an Open Access Journal Open Access journal
ISSN (Print) 2067-4074 - ISSN (Online) 2067-4074
Published by JMEDS Homepage  [1 journal]
  • RTS hypervisor qualification for real-time systems

    • Authors: Luc Perneel, Hasan Fayyad-Kazan, Long Peng, Fei Guan, Martin Timmerman
      Abstract: Virtualization is a synonym for the server and cloud computing arena. Recently, it started to be also applied to real-time embedded systems with timing constraints. However, virtualization products for data centers and desktop computing cannot be readily applied to embedded systems because of differences in requirements, use cases, and computer architecture.Bridging the gap between virtualization and real-time requirements imposes the need of real-time virtualization products. Therefore, some embedded software manufacturers have built several real-time hypervisors specialized for embedded systems.Currently, there are several commercial ones such as Greenhills INTEGRITY MultiVisor, Real-Time Systems (RTS) GmbH Hypervisor, Tenasys eVM for Windows, National Instruments Real-Time Hyper Hypervisor, and some others.This paper provides the behavior and performance results of evaluating RTS hypervisor and gives advices of its use for soft or hard real-time embedded systems.
      Issue No: Vol. 7, No. 3
  • Trust based secure information exchange between user and sensor node using
           authentication method and verified at each gateway node in wireless

      Issue No: Vol. 7, No. 3
  • Survey on Performance and Energy Consumption of Fault Tolerance in Network
           on Chip

    • Authors: Naresh Kumar Reddy
      Issue No: Vol. 7, No. 3

    • Authors: RAJIB DEBNATH
      Issue No: Vol. 7, No. 3
  • A Survey on Middleware Approaches for Distributed Real-Time Systems

    • Authors: Malihe Saghian, Reza Ravanmehr
      Abstract: Nowadays distributed real-time systems are very common in different areas and have many applications. Increasing need to exchange information among distributed and heterogeneous applications, the need for faster development, simplicity of design and implementation, software reuse and coordination problems are the major factors that lead to the design and implementation of middleware architectures in this field. For this purpose, different Quality of Service parameters such as reliability, extendibility, low latency, etc. must be considered. The current survey shows the state of the art of the various researches in this domain by providing and discussing the architecture and the features of major middlewares for distributed real-time systems.
      Issue No: Vol. 7, No. 3
  • Diabetic non-ketotic hyperglycemia and the hemichorea-hemiballismus
           syndrome: a case report

    • Authors: banashree gogoi, arun ajith
      Issue No: Vol. 7, No. 3
  • Policy Control Framework for IP based Online Video Surveillance

    • Authors: Abhishek Mishra
      Abstract: There are around 15 million Surveillance camera installed in US and about 10% of it is IP based. This number of IP based surveillance is constantly growing as it gives an opportunity for smart real time surveillance. When the number of camera increases, it create a challenge to smart surveillance both in in terms of cost and efficiency. Cost- as to monitor so many views, there is a need to have enough people. Efficiency- due to overload of monitoring, there are chances that important tracking is missed. Intelligent surveillance helps in avoiding many such issues, however, there is a constant threat that due to lack of appropriate policy control framework, tracking may be impacted due to inherent network issues or human glitches. The paper presents a novel way, where a Policy control framework can be deployed for IP based Surveillance which will help in efficient monitoring
      Issue No: Vol. 7, No. 3
  • Rigorous design of moving sequencer atomic broadcast with malicious

    • Authors: Prateek Srivastava, Prasun Ckakrabarti, Avinash Panwar
      Abstract: This article investigates a mechanism to tolerate malicious nature of sequencer in moving sequencer based atomic broadcast at distributed systems. Various mechanisms are already given for moving sequencer based atomic broadcast like RMP [1], DTP [2], Pin Wheel [3] and mechanism proposed by [4]. But none of these mechanisms are efficient to tolerate different failure. Scholarly observation is that, these algorithms can tolerate only crash failure but not capable to tolerate omission or byzantine (malicious) failure. This work is an extension of [4]. In this work we have proposed a mechanism to tolerate byzantine failure (malicious nature) of sequencer in moving sequencer based atomic broadcast. For this we will consider [4] as an abstract model and design refined model that will tolerate malicious nature of sequencer. Since it relies on unicast broadcast hence it will introduce a very less number of messages in comparison to previous mechanisms [5].We have used B [6] as formal technique for development of our model. B uses set theory as a modeling notation, refinements to represent system at different abstraction level. We have used ProB [7] model checker and animator for constraint based checking, discover errors due to invariant violation and deadlocks, thereby, validating the specifications.
      Issue No: Vol. 7, No. 3
School of Mathematical and Computer Sciences
Heriot-Watt University
Edinburgh, EH14 4AS, UK
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