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Aspect Oriented Modeling of Component Architectures Using AADL 使用AADL的面向方面的组件体系结构建模
Pub Date : 2008-11-25 DOI: 10.1109/NTMS.2008.ECP.26
Lydia Michotte, T. Vergnaud, P. Feiler, R. France
Dependable embedded software system design is fastidious because designers have to understand and handle multiple, interdependent, pervasive dependability concerns such as fault tolerance, timeliness, performance, security. Because these concerns tend to crosscut application architecture, understanding and changing their descriptions can be difficult. Separating theses concerns at architectural level allow the designers to locate them, to understand them and thus to preserve the required properties when making the change in order to keep the architecture consistent. That separation of concerns leads to better understanding, reuse, analysis and evolution of these concerns during design. The Architecture Analysis and Design Language (AADL) is a standard architecture description language in use by a number of organizations around the world to design, analyze embedded software architectures and generate application code. In this paper we explain how aspect oriented modeling (AOM) techniques and AADL can be used to model dependability aspects of component architecture separately from other aspects. The AOM architectural model used to illustrate the approach in this paper consists of a component primary view describing the base architecture and a component template aspect model describing a fault tolerance concern that provides error detection and recovery services.
可靠的嵌入式软件系统设计是苛求的,因为设计人员必须理解和处理多个相互依赖的、普遍存在的可靠性问题,如容错性、及时性、性能、安全性。由于这些关注点倾向于横切应用程序体系结构,因此理解和更改它们的描述可能很困难。在体系结构级别分离这些关注点允许设计人员定位它们,理解它们,从而在进行更改时保留所需的属性,以保持体系结构的一致性。关注点的分离可以在设计期间更好地理解、重用、分析和发展这些关注点。体系结构分析与设计语言(AADL)是一种标准的体系结构描述语言,被世界各地的许多组织用于设计、分析嵌入式软件体系结构和生成应用程序代码。在本文中,我们解释了如何使用面向方面建模(AOM)技术和面向方面建模(AADL)将组件体系结构的可靠性方面与其他方面分开建模。本文中用于说明该方法的AOM体系结构模型由描述基本体系结构的组件主视图和描述提供错误检测和恢复服务的容错关注点的组件模板方面模型组成。
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引用次数: 6
Security Oriented Analysis of B92 by Model Checking 基于模型检验的B92系统安全分析
Pub Date : 2008-11-25 DOI: 10.1109/NTMS.2008.ECP.89
M. Elboukhari, A. Azizi, M. Azizi
This paper presents a methodology for analyzing quantum information systems, based on model checking; particularly we are interested in the protocol of quantum key distribution B92. It has been proved that this protocol is unconditionally secure against all kinds of attacks according to the information theory, but this security proof is not easily adaptable to practical scenarios. Our approach is based on probabilistic model checking; using the PRISM tool, we show that the protocol B92 fulfilled specific security properties.
本文提出了一种基于模型检验的量子信息系统分析方法;我们特别对量子密钥分发B92协议感兴趣。根据信息论证明了该协议对各种攻击是无条件安全的,但这种安全性证明不容易适用于实际场景。我们的方法是基于概率模型检查;使用PRISM工具,我们展示了协议B92实现了特定的安全属性。
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引用次数: 5
MEHR: Multi-Hop Energy-Aware Hierarchical Routing for Wireless Sensor Networks 基于多跳能量感知的无线传感器网络分层路由
Pub Date : 2008-11-25 DOI: 10.1109/NTMS.2008.ECP.60
Abolfazl Asudeh, A. Movaghar
Nowadays, wireless sensor networks are known as a new challenge in network science. New features of these networks have made it impossible to use the traditional routing protocols. The most important challenge of these networks is the limited energy of nodes. In this paper, we will introduce MEHR as a multi-hop location-unaware hierarchical routing protocol to decrease the energy consumption in nodes, and to increase the network lifetime, we also apply MEHR to reach to a scalable routing. We will introduce a new factor to select candidate nodes and to send intra-cluster messages. We will use place-advertisement messages of sink, and a limiting parameter and also overhearing concept to create cluster hierarchies with no extra message.
目前,无线传感器网络被认为是网络科学的一个新挑战。这些网络的新特性使得使用传统的路由协议变得不可能。这些网络最重要的挑战是节点的能量有限。在本文中,我们将MEHR作为一种多跳位置无关的分层路由协议引入,以减少节点的能量消耗,并增加网络的生命周期,我们还将MEHR应用于可扩展的路由。我们将引入一个新的因子来选择候选节点并发送集群内消息。我们将使用sink的位置广告消息、限制参数和监听概念来创建没有额外消息的集群层次结构。
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引用次数: 4
Cooperative Inter-Vehicle Communication Protocol Dedicated to Intelligent Transport Systems 专用于智能交通系统的协同车际通信协议
Pub Date : 2008-11-25 DOI: 10.1109/NTMS.2008.ECP.34
Jianjin Li, K. Hou, Haiying Zhou, Xunxing Diao
MANET marks the new age of the modern communication and it is a key technology to solve many applications such as telemedicine, environment monitoring, intelligent transport system (inter-vehicle communication) etc. In this paper a new MANET protocol dedicated to intelligent transport system: CIVIC (communication inter vehicule intelligente et cooperative) is described. CIVIC is a context aware routing protocol taking into account the location of each mobile node, road traffic, geographic environment (road map) etc. Moreover, CIVIC is implemented to support infrastructure and ad-hoc network, hybrid MANET protocol, and multi- support wireless access mediums. In this paper, we introduce the different worldwide leading research projects dedicated to inter- vehicle communication, the key features of CIVIC, the implementation of CIVIC on LiveNode sensor and the application project MobiPlus.
MANET标志着现代通信的新时代,是解决远程医疗、环境监测、智能交通系统(车际通信)等诸多应用的关键技术。本文介绍了一种新的专用于智能交通系统的MANET协议:CIVIC (communication intervehicle intelligent et cooperative)。CIVIC是一种上下文感知路由协议,考虑到每个移动节点的位置、道路交通、地理环境(路线图)等。此外,CIVIC的实现支持基础设施和自组织网络、混合MANET协议和多支持无线接入介质。在本文中,我们介绍了不同的世界领先的研究项目致力于车际通信,思域的主要特点,思域在LiveNode传感器上的实现和应用项目MobiPlus。
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引用次数: 16
An Efficient Self-Healing Key Distribution Scheme 一种有效的自修复密钥分发方案
Pub Date : 2008-11-25 DOI: 10.1109/NTMS.2008.ECP.18
B. Tian, Song Han, T. Dillon
Self-healing key distribution schemes enable a group user to recover session keys from two broadcast messages it received before and after those sessions, even if broadcast messages for middle sessions are lost due to network failure. These schemes are quite suitable for supporting secure communication over unreliable networks such as sensor networks and ad hoc networks. An efficient self-healing key distribution scheme is proposed in this paper. The scheme based on the concept of access polynomial and self-healing key distribution model constructed by Hong et al. The new scheme reduces communication overhead and computation overhead greatly yet still keeps the constant storage overhead. In addition, we consider the possibility of mutual-healing between neighbor users in wireless networks.
自修复密钥分发方案使组用户能够从会话之前和之后收到的两个广播消息中恢复会话密钥,即使中间会话的广播消息由于网络故障而丢失。这些方案非常适合在传感器网络和自组织网络等不可靠网络上支持安全通信。提出了一种有效的自修复密钥分发方案。该方案基于访问多项式的概念和Hong等人构建的自修复密钥分发模型。新方案在保持存储开销不变的前提下,大大降低了通信开销和计算开销。此外,我们还考虑了无线网络中相邻用户之间相互修复的可能性。
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引用次数: 21
Annulling Traps & Fixed Traps in Chaos Cryptography 取消陷阱和固定陷阱在混沌密码学
Pub Date : 2008-11-25 DOI: 10.1109/NTMS.2008.ECP.23
S. Kartalopoulos
In recent years, the sophistication of attackers in cryptographic algorithms has been alarmingly increased in all media, wireled, optical and wireless. As a result, stronger cryptographic algorithms have been developed to assure data integrity and confidentiality, among them those that are based on chaotic functions. Chaotic functions in cryptography are natural random number generators with non repetitive behavior and yet reproducible if the chaotic function and the initial conditions are known; random number generators are key functions in almost all secure communication systems. However, we have found that under certain circumstances, the chaotic behavior of a function may be obliterated. In this paper we discuss two trap conditions in chaotic functions that are encountered under specific initial conditions; one collapses the chaotic process and we call it chaos annulling trap (CAT), and the other produces the same output and we call it chaos fixed trap (CFT). We also propose two possible methods that may help to identify functions and initial conditions that cause one of these two traps.
近年来,攻击者对加密算法的熟练程度在有线、光学和无线等所有媒体上都有了惊人的提高。因此,为了保证数据的完整性和保密性,人们开发了更强的密码算法,其中包括基于混沌函数的算法。密码学中的混沌函数是具有非重复行为的自然随机数生成器,当混沌函数和初始条件已知时,混沌函数是可再现的;随机数生成器是几乎所有保密通信系统的关键功能。然而,我们发现在某些情况下,函数的混沌行为可以被消除。本文讨论了混沌函数在特定初始条件下遇到的两种陷阱条件;一个使混沌过程崩溃,我们称之为混沌废止陷阱(CAT),另一个产生相同的输出,我们称之为混沌固定陷阱(CFT)。我们还提出了两种可能的方法,可以帮助确定导致这两个陷阱之一的函数和初始条件。
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引用次数: 9
An Optimization Approach for Designing Wireless Sensor Networks 一种无线传感器网络的优化设计方法
Pub Date : 2008-11-25 DOI: 10.1109/NTMS.2008.ECP.20
F. Bendali, C. Duhamel, K. M. Hou, J. Mailfert, A. C. Santos
Wireless sensor networks have been studied in several contexts because of their large number of applications. There are many challenges involving such networks as the energy resources optimization, the robustness and the network coverage. We address here the problem of energy efficient topology design. A well-designed dynamic topology and an efficient routing algorithm allow to reduce energy consumption, which is the main constraint of wireless sensor node. In this work, we propose to model the problem as a variation of the independent set optimization problem, for the clustering the wireless sensor nodes. We also propose a local search procedure to improve the whole network topology and a specific evaluation procedure.
无线传感器网络由于其广泛的应用,已经在多个领域得到了研究。网络存在着能源优化、鲁棒性和网络覆盖等诸多挑战。我们在这里讨论节能拓扑设计的问题。设计良好的动态拓扑结构和有效的路由算法可以降低无线传感器节点的能量消耗,这是无线传感器节点的主要约束条件。在这项工作中,我们建议将该问题建模为独立集优化问题的一个变体,用于无线传感器节点的聚类。我们还提出了一个局部搜索程序,以改进整个网络的拓扑结构和具体的评估程序。
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引用次数: 5
Private Communication and Authentication Protocol for Wireless Sensor Networks 无线传感器网络专用通信与认证协议
Pub Date : 2008-11-25 DOI: 10.1109/NTMS.2008.ECP.80
S. Rahman, N. Nasser, A. Inomata
Key management is a key concern for security operation in sensor network. Most existing key management schemes try to establish shared keys for all pairs of neighbor sensors, no matter whether these nodes communicate with each other or not, and causes large overhead. In this paper, we propose a novel key agreement protocol based on pairing-based cryptography. The proposed protocol reduces the key spaces of the nodes, in fact nodes do not need to store any key of the other nodes rather it computes secret sharing key by using pairing and identity based properties. Security analysis shows it robust against different attacks such as masquerade attack, wormhole attack, selective forwarding attack and message manipulation attack.
密钥管理是传感器网络安全运行的关键问题。大多数现有的密钥管理方案都试图为所有对邻居传感器建立共享密钥,而不管这些节点之间是否通信,这造成了很大的开销。本文提出了一种新的基于配对密码学的密钥协商协议。该协议减少了节点的密钥空间,实际上节点不需要存储其他节点的任何密钥,而是使用基于配对和身份的属性计算秘密共享密钥。安全性分析表明,该算法对伪装攻击、虫洞攻击、选择性转发攻击和消息操纵攻击具有较强的鲁棒性。
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引用次数: 1
Link-Based VoIP Aggregation in Mesh Networks Mesh网络中基于链路的VoIP聚合
Pub Date : 2008-11-25 DOI: 10.1109/NTMS.2008.ECP.56
J. Okech, A. Kurien, M. Odhiambo
Voice over IP (VoIP) over wireless mesh network (WMNs) has become a topic of great interest in both enterprise and research arena. The IEEE 802.11 standard is the most popular wireless LAN standard for extending the access point (AP) based network. However, it does not provide guaranteed quality for real-time applications such as VoIP. Besides, with the large number of injected flows in WMNs, only a handful of these packets can be supported due to protocol overhead, packet collision and Interferences. In this paper, a link-based aggregation is proposed and its performance improvement is compared with those of fixed aggregation and performance under standard access network. Simulation results show that the proposed aggregation scheme increases the number of supported flow while also reducing end-to-end delay, jitter, and packet loss of VoIP in WMNs.
基于无线网状网络(WMNs)的IP语音(VoIP)已经成为企业和研究领域非常感兴趣的话题。IEEE 802.11标准是用于扩展基于接入点(AP)的网络的最流行的无线局域网标准。然而,它不能为实时应用(如VoIP)提供有保证的质量。此外,由于注入流数量庞大,由于协议开销、报文冲突和干扰等原因,wmn只能支持少量的注入流。本文提出了一种基于链路的聚合方法,并将其性能改进与标准接入网下的固定聚合和性能改进进行了比较。仿真结果表明,该聚合方案在增加支持流数量的同时,降低了WMNs中VoIP的端到端延迟、抖动和丢包。
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引用次数: 6
Municipal Wireless Networks Planning 城市无线网络规划
Pub Date : 2008-11-25 DOI: 10.1109/NTMS.2008.ECP.68
P. Giacomazzi, A. Poli
Municipal Wireless Networks planning is a challenging task, since many optimization choices should be taken into account in large metropolitan areas. This paper formalizes the problem of choosing appropriate access points' locations and to connect the so built access network to the backbone network. We provide an optimization algorithm able to find a solution with a fast heuristic approach, and apply it to a real-world scenario.
城市无线网络规划是一项具有挑战性的任务,因为在大城市需要考虑许多优化选择。本文形式化地讨论了接入网的接入点位置的选择和接入网与骨干网的连接问题。我们提供了一种优化算法,能够通过快速启发式方法找到解决方案,并将其应用于现实世界的场景。
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引用次数: 2
期刊
2008 New Technologies, Mobility and Security
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