39th Annual Simulation Symposium (ANSS'06)最新文献

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An integrative modelling approach for simulation and analysis of adaptive agents 自适应主体仿真与分析的综合建模方法
39th Annual Simulation Symposium (ANSS'06) Pub Date : 2006-04-02 DOI: 10.1109/ANSS.2006.13
T. Bosse, C. Jonker, Jan Treur
{"title":"An integrative modelling approach for simulation and analysis of adaptive agents","authors":"T. Bosse, C. Jonker, Jan Treur","doi":"10.1109/ANSS.2006.13","DOIUrl":"https://doi.org/10.1109/ANSS.2006.13","url":null,"abstract":"To simulate adaptive agents with abilities matching those of their real-world counterparts, a natural approach is to incorporate adaptation mechanisms such as classical conditioning into agent-based simulation. Existing models for adaptation mechanisms are usually based on quantitative methods such as DST In contrast, agent-based simulation is usually based on qualitative, logical languages. To bridge this gap, this paper puts forward an integrative approach to simulate and analyse the conditioning process of an adaptive agent, which integrates quantitative and qualitative aspects within one temporal specification language. The approach comprises (1) simulation of adaptation mechanisms in an executable language, (2) automated analysis of dynamic properties against simulation traces, and (3) verification of representation relations for internal agent states against simulation traces. Furthermore, the approach addresses the issue of realism of intermediate states in a simulated conditioning process.","PeriodicalId":308739,"journal":{"name":"39th Annual Simulation Symposium (ANSS'06)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-04-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117128933","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
A mathematical model for performability of Beowulf clusters 贝奥武夫簇可执行性的数学模型
39th Annual Simulation Symposium (ANSS'06) Pub Date : 2006-04-02 DOI: 10.1109/ANSS.2006.6
E. Ever, O. Gemikonakli, R. Chakka
{"title":"A mathematical model for performability of Beowulf clusters","authors":"E. Ever, O. Gemikonakli, R. Chakka","doi":"10.1109/ANSS.2006.6","DOIUrl":"https://doi.org/10.1109/ANSS.2006.6","url":null,"abstract":"Beowulf clusters have become very popular as an alternative to supercomputers world-wide. However, the most pressing issues of today's cluster solutions is the need for high availability and performance. Such systems, clearly, are prone to break-downs. Even if cover is provided with some probability c, there will be reconfiguration and/or rebooting delays to resume the operation of a cluster. In this paper, the performance modelling for Beowulf multiprocessor systems is presented. For these systems, one head processor and several identical processors serving a common stream of arriving jobs is considered. To account for delays due to reconfiguration and rebooting, such systems are modelled and solved for exact performability measures, for both bounded and unbounded queuing capacities, using the spectral expansion method.","PeriodicalId":308739,"journal":{"name":"39th Annual Simulation Symposium (ANSS'06)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-04-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124555924","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Moderating Simulation Lag in Haptic Virtual Environments 调节触觉虚拟环境中的仿真滞后
39th Annual Simulation Symposium (ANSS'06) Pub Date : 2006-04-02 DOI: 10.1109/ANSS.2006.31
A. Boukerche, S. Shirmohammadi, A. Hossain
{"title":"Moderating Simulation Lag in Haptic Virtual Environments","authors":"A. Boukerche, S. Shirmohammadi, A. Hossain","doi":"10.1109/ANSS.2006.31","DOIUrl":"https://doi.org/10.1109/ANSS.2006.31","url":null,"abstract":"Simulation lag is a known issue in networked virtual environments where users are geographically distributed. When users collaborate across the network using haptics, there are always momentary lacks of synchronization due to packet delay, loss, and jitter. Many strategies exist for dealing with such scenarios, but these strategies concentrate on one aspect and don't adequately address the necessary realism, causality, and the sense of co-presence in the virtual environments during closely-coupled haptic tasks. In this paper, we propose an approach that uses two techniques to moderate the simulation lag in haptic-based virtual environments. A decorator, which is a visual cue embedded in the haptic virtual object, is used to inform the user about the sate of simulation lag. In addition, this decorator is controlled by an algorithm that predicts the users' most likely action in the very short term, and compensates delayed or lost packets by interpolating collaborative actions. In other words, this technique improvises the current state of the haptic virtual object and displays it to the local user, in addition to calculating the current network delay/loss and indicating it non-intrusively to the local user","PeriodicalId":308739,"journal":{"name":"39th Annual Simulation Symposium (ANSS'06)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-04-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133947652","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 21
An agenda based mobility model 基于议程的流动性模型
39th Annual Simulation Symposium (ANSS'06) Pub Date : 2006-04-02 DOI: 10.1109/ANSS.2006.11
Qunwei Zheng, X. Hong, Jun Liu
{"title":"An agenda based mobility model","authors":"Qunwei Zheng, X. Hong, Jun Liu","doi":"10.1109/ANSS.2006.11","DOIUrl":"https://doi.org/10.1109/ANSS.2006.11","url":null,"abstract":"Mobility modeling is important in wireless and mobile networking research due to the fact that few real large scale networks is available for performance evaluation. While existing models only take the geographical movements into consideration, we emphasize in our model the importance of human's social roles. We use a person's social activities to drive and model a node's movements. In this paper, we propose an agenda based mobility model which combine both the social activities and the geographic movements. In the design, we use a constructive modeling approach to allow the model to well conform to the real world and to be easy to use. According to our model, each node moves based on its individual agenda, which includes all the activities (when, where and what) on a specific day. To proceed from one activity to another, a node moves from one road address to another address. In deciding each agenda item, we use NHTS survey data to obtain activity distribution, occupation distribution and dwell time distribution. We use simulation to show the network topology generated by the model and ad hoc network routing performance impacted by the model.","PeriodicalId":308739,"journal":{"name":"39th Annual Simulation Symposium (ANSS'06)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-04-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129390792","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 56
Swarm-based active tunable routing for overhead reduction in multiservice networks 减少多业务网络开销的基于群的主动可调路由
39th Annual Simulation Symposium (ANSS'06) Pub Date : 2006-04-02 DOI: 10.1109/ANSS.2006.44
C. Mavromoustakis, H. Karatza
{"title":"Swarm-based active tunable routing for overhead reduction in multiservice networks","authors":"C. Mavromoustakis, H. Karatza","doi":"10.1109/ANSS.2006.44","DOIUrl":"https://doi.org/10.1109/ANSS.2006.44","url":null,"abstract":"The explosive growth of multimedia and other bandwidth intensive applications has resulted a rapid increase in the size of the traffic loads that needs to be supported by modern networks. This paper describes the combination of the active network concept with swarm based control method for optimized multiclass QoS priority routing. This hybrid scenario uses the bandwidth clustering approach (triggered clusters). The packets follow a predetermined path initialized and allocated by swarm based packets, blindly and without any global knowledge of network conditions. In this work, this mechanism is associated with the triggered pheromone explored at different simulation sessions and does not require message brokers to fulfil multiclass QoS demands. The pheromone enforcement model that is indicated increases the overall response of the system. Simulation results depict the performance and robustness of the scheme in terms of the end-to-end delay, available bandwidth and packet loss under different traffic measures.","PeriodicalId":308739,"journal":{"name":"39th Annual Simulation Symposium (ANSS'06)","volume":"77 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-04-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133793826","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Performance study of end-to-end traffic-aware routing 端到端流量感知路由的性能研究
39th Annual Simulation Symposium (ANSS'06) Pub Date : 2006-04-02 DOI: 10.1109/ANSS.2006.37
Raad S. Al-Qassas, L. Mackenzie, M. Ould-Khaoua
{"title":"Performance study of end-to-end traffic-aware routing","authors":"Raad S. Al-Qassas, L. Mackenzie, M. Ould-Khaoua","doi":"10.1109/ANSS.2006.37","DOIUrl":"https://doi.org/10.1109/ANSS.2006.37","url":null,"abstract":"There has been a lot research effort on developing reactive routing algorithms for mobile ad hoc networks (MANETs) over the past few years. Most of these algorithms consider finding the shortest path from source to destination in building a route. However, this can lead to some network nodes being more overloaded than the others. In MANETs resources, such as node power and channel bandwidth are often at a premium and, therefore, it is important to optimise their use as much as possible. Consequently, a traffic-aware technique to distribute the load is very desirable in order to make good utilisation of nodes' resources. A number of traffic aware techniques have recently been proposed and can be classified into two categories: end-to-end and on-the-spot. The performance merits of the existing end-to-end traffic aware techniques have been analysed and compared against traditional routing algorithms. There has also been a performance comparison among the existing on-the-spot techniques. However, there has so far been no similar study that evaluates and compares the relative performance merits of end-to-end techniques. In this paper, we describe an extensive performance evaluation of two end-to-end techniques, based on degree of nodal activity and traffic density, using measures based on throughput, end-to-end delay and routing overhead.","PeriodicalId":308739,"journal":{"name":"39th Annual Simulation Symposium (ANSS'06)","volume":"61 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-04-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122148286","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A framework for distributed simulation of asynchronous handshake circuits 异步握手电路的分布式仿真框架
39th Annual Simulation Symposium (ANSS'06) Pub Date : 2006-04-02 DOI: 10.1109/ANSS.2006.5
Elias Tsirogiannis, G. Theodoropoulos, D. Chen, Qingfu Zhang, L. Janin, D. Edwards
{"title":"A framework for distributed simulation of asynchronous handshake circuits","authors":"Elias Tsirogiannis, G. Theodoropoulos, D. Chen, Qingfu Zhang, L. Janin, D. Edwards","doi":"10.1109/ANSS.2006.5","DOIUrl":"https://doi.org/10.1109/ANSS.2006.5","url":null,"abstract":"This paper presents PARBREEZE, a distributed simulation kernel for asynchronous hardware behavioural simulation. PARBREEZE is based on the logical process paradigm and targets asynchronous handshake circuits generated by the Balsa asynchronous hardware synthesis environment. The paper describes the architecture of PARBREEZE and presents performance results for different partitioning strategies.","PeriodicalId":308739,"journal":{"name":"39th Annual Simulation Symposium (ANSS'06)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-04-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128220727","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Modeling and evaluation of the effect of obstacles on the performance of wireless sensor networks 障碍物对无线传感器网络性能影响的建模与评估
39th Annual Simulation Symposium (ANSS'06) Pub Date : 2006-04-02 DOI: 10.1109/ANSS.2006.26
I. Chatzigiannakis, Georgios Mylonas, S. Nikoletseas
{"title":"Modeling and evaluation of the effect of obstacles on the performance of wireless sensor networks","authors":"I. Chatzigiannakis, Georgios Mylonas, S. Nikoletseas","doi":"10.1109/ANSS.2006.26","DOIUrl":"https://doi.org/10.1109/ANSS.2006.26","url":null,"abstract":"In this work, we propose an obstacle model to be used while simulating wireless sensor networks. To the best of our knowledge, this is the first time such an integrated and systematic obstacle model appears. We define several types of obstacles that can be found inside the deployment area of a wireless sensor network and provide a categorization of these obstacles, based on their nature (physical and communication obstacles), their shape, as well as their nature to change over time. In light of this obstacle model, we conduct extensive simulations in order to study the effects of obstacles on the performance of representative data propagation protocols for wireless sensor networks. Our findings show that obstacle presence has a significant impact on protocol performance. Also, we demonstrate the effect of each obstacle type on different protocols, thus providing the network designer with advice on which protocol is best to use.","PeriodicalId":308739,"journal":{"name":"39th Annual Simulation Symposium (ANSS'06)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-04-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131243573","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 36
Data organization and data comparison for model validation in faster-than-real-time simulation 超实时仿真中模型验证的数据组织和数据比较
39th Annual Simulation Symposium (ANSS'06) Pub Date : 2006-04-02 DOI: 10.1109/ANSS.2006.16
D. Anagnostopoulos, M. Nikolaidou
{"title":"Data organization and data comparison for model validation in faster-than-real-time simulation","authors":"D. Anagnostopoulos, M. Nikolaidou","doi":"10.1109/ANSS.2006.16","DOIUrl":"https://doi.org/10.1109/ANSS.2006.16","url":null,"abstract":"Validation is an essential feature of faster-than-real-simulation (FRTS), since models must be validated prior used for near-future predictions. As no relevant approaches exist in the literature, the paper contribution is to propose an approach a) accomplishing validation as a real-time, automated process, with low time overhead, b) dealing with the complexity of validation data, as the number and type of the data compared may be changing and c) realizing the transition from validation process conceptual design to an efficient real-time execution. A formal data organization scheme (data model) and algorithms for constructing and accessing it are implemented for this purpose. Realization of model validation in a FRTS experiment on a single-queue/multi-server processing system is presented to exhibit the applicability of the proposed approach. The proposed organization scheme may also be applied in simulation studies where timing and automation requirements are not critical.","PeriodicalId":308739,"journal":{"name":"39th Annual Simulation Symposium (ANSS'06)","volume":"14 12","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-04-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"113953161","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Modeling and optimization for the design of IMS networks IMS网络设计的建模与优化
39th Annual Simulation Symposium (ANSS'06) Pub Date : 2006-04-02 DOI: 10.1109/ANSS.2006.27
N. Rajagopal, M. Devetsikiotis
{"title":"Modeling and optimization for the design of IMS networks","authors":"N. Rajagopal, M. Devetsikiotis","doi":"10.1109/ANSS.2006.27","DOIUrl":"https://doi.org/10.1109/ANSS.2006.27","url":null,"abstract":"The IP multimedia subsystem (IMS) is envisioned as the solution for the next generation multimedia rich communication. Based on an open IP infrastructure, it enables convergence of data, speech, video and mobile network technology. The session initiation protocol (SIP) is the signaling protocol chosen by the 3GPP consortium for IMS. We propose to analyze the IMS network based on the SIP signaling delay and predict performance trends of the network, that allow us to choose parameter values optimally. The paper focuses on the formulation of queuing models for the IMS network and characterization of the SIP server workload, and on a methodology for the design of such networks for optimal performance. Our analysis is based on a careful study of real-life SIP network traffic.","PeriodicalId":308739,"journal":{"name":"39th Annual Simulation Symposium (ANSS'06)","volume":"210 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-04-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122622339","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 46
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