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Synergetic positioning architecture for location-dependent services 位置依赖服务的协同定位架构
29th Annual IEEE International Conference on Local Computer Networks Pub Date : 2004-11-16 DOI: 10.1109/LCN.2004.122
T. Pfeifer
{"title":"Synergetic positioning architecture for location-dependent services","authors":"T. Pfeifer","doi":"10.1109/LCN.2004.122","DOIUrl":"https://doi.org/10.1109/LCN.2004.122","url":null,"abstract":"Positioning has been a driving factor in the development of ubiquitous computing applications throughout the past two decades. Numerous devices and techniques have been developed - few of them are actually used commercially. Within the NOMAD project, multiple methods are being combined to recalibrate each other by means of data fusion. A novel architecture processes the data from pervasive devices penetrating everyday objects to the cheapest level. The synergetic heterogeneity of completely different recognition principles allows one to tailor the perceived positioning probability to the specific requirements of the target application.","PeriodicalId":366183,"journal":{"name":"29th Annual IEEE International Conference on Local Computer Networks","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117207786","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: 5
Design and implementation of application-based secure VLAN 基于应用的安全VLAN的设计与实现
29th Annual IEEE International Conference on Local Computer Networks Pub Date : 2004-11-16 DOI: 10.1109/LCN.2004.42
Minli Zhu, M. Molle, B. Brahmam
{"title":"Design and implementation of application-based secure VLAN","authors":"Minli Zhu, M. Molle, B. Brahmam","doi":"10.1109/LCN.2004.42","DOIUrl":"https://doi.org/10.1109/LCN.2004.42","url":null,"abstract":"We propose an application-based secure VLAN (S-VLAN) architecture, which is one of the infrastructure-based active security mechanisms, for switched LANs connected to the Internet. S-VLAN is suitable for hot spots, universities and enterprises LANs and can efficiently prevent insider security problems from interrupting secured applications.","PeriodicalId":366183,"journal":{"name":"29th Annual IEEE International Conference on Local Computer Networks","volume":"731 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123291298","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
New bandwidth-control design: policer for probable packet discard (PPPD) 新的带宽控制设计:可能丢包策略(PPPD)
29th Annual IEEE International Conference on Local Computer Networks Pub Date : 2004-11-16 DOI: 10.1109/LCN.2004.86
T. Yazaki, Takashi Isobe, Y. Ishikawa, Hiroki Yano
{"title":"New bandwidth-control design: policer for probable packet discard (PPPD)","authors":"T. Yazaki, Takashi Isobe, Y. Ishikawa, Hiroki Yano","doi":"10.1109/LCN.2004.86","DOIUrl":"https://doi.org/10.1109/LCN.2004.86","url":null,"abstract":"A new bandwidth-control design - called policer for packet probable discard (PPPD) - has been developed. This not only limits the bandwidth of each user to a policing bandwidth, but also achieves TCP throughputs equal to the policing bandwidth. The proposed PPPD uses an improved leaky bucket algorithm, by which packets are discarded at a certain probability when the received bandwidth is judged to be more than the policing bandwidth. Simulations show that the proposed PPPD increases TCP throughput from 74% to 95%, or more, of the policing bandwidth.","PeriodicalId":366183,"journal":{"name":"29th Annual IEEE International Conference on Local Computer Networks","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122895488","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 cooperation model between ad hoc networks and fixed networks for service differentiation 一种用于业务差异化的自组织网络和固定网络之间的合作模型
29th Annual IEEE International Conference on Local Computer Networks Pub Date : 2004-11-16 DOI: 10.1109/LCN.2004.2
M. Domingo, D. Remondo
{"title":"A cooperation model between ad hoc networks and fixed networks for service differentiation","authors":"M. Domingo, D. Remondo","doi":"10.1109/LCN.2004.2","DOIUrl":"https://doi.org/10.1109/LCN.2004.2","url":null,"abstract":"We propose a new protocol, named DS-SWAN (differentiated services-stateless wireless ad hoc networks), to support end-to-end QoS (quality of service) in ad hoc networks connected to fixed DiffServ domains. DS-SWAN warns nodes in the ad hoc network when congestion is excessive for the correct functioning of real-time applications. These nodes react by slowing down best-effort traffic. Simulation results indicate that DS-SWAN significantly improves end-to-end delays for real-time flows without starvation of background traffic.","PeriodicalId":366183,"journal":{"name":"29th Annual IEEE International Conference on Local Computer Networks","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126698862","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: 11
SCI networking for shared-memory computing in UPC: blueprints of the GASNet SCI conduit UPC中共享内存计算的SCI网络:GASNet SCI管道的蓝图
29th Annual IEEE International Conference on Local Computer Networks Pub Date : 2004-11-16 DOI: 10.1109/LCN.2004.107
H. Su, B. Gordon, S. Oral, A. George
{"title":"SCI networking for shared-memory computing in UPC: blueprints of the GASNet SCI conduit","authors":"H. Su, B. Gordon, S. Oral, A. George","doi":"10.1109/LCN.2004.107","DOIUrl":"https://doi.org/10.1109/LCN.2004.107","url":null,"abstract":"Unified Parallel C (UPC) is a programming model for shared-memory parallel computing on shared- and distributed-memory systems. The Berkeley UPC software, which operates on top of their Global Addressing Space Networking (GASNet) communication system, is a portable, high-performance implementation of UPC for large-scale clusters. The Scalable Coherent Interface (SCI), a torus-based system-area network (SAN), is known for its ability to provide very low latency transfers as well as its direct support for both shared-memory and message-passing communications. High-speed clusters constructed around SCI promise to he a potent platform for large-scale UPC applications. This work introduces the design of the core API for the new SCI conduit for GASNet and UPC, which is based on active messages (AM). Latency and bandwidth data were collected and are compared with raw SCI results and with other existing GASNet conduits. The outcome shows that the new GASNet SCI conduit is able to provide promising performance in support of UPC applications.","PeriodicalId":366183,"journal":{"name":"29th Annual IEEE International Conference on Local Computer Networks","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129237004","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: 5
Collaborative SCTP: a collaborative approach to improve the performance of SCTP over wired-cum-wireless networks 协作SCTP:一种在有线和无线网络上改进SCTP性能的协作方法
29th Annual IEEE International Conference on Local Computer Networks Pub Date : 2004-11-16 DOI: 10.1109/LCN.2004.35
Sha Liu, Shoubao Yang, Weifeng Sun
{"title":"Collaborative SCTP: a collaborative approach to improve the performance of SCTP over wired-cum-wireless networks","authors":"Sha Liu, Shoubao Yang, Weifeng Sun","doi":"10.1109/LCN.2004.35","DOIUrl":"https://doi.org/10.1109/LCN.2004.35","url":null,"abstract":"Stream control transmission protocol (SCTP) is one of the latest transport layer protocols. It is equipped with many new features, such as multi-stream and multi-homing, and still maintains TCP-like congestion control mechanisms. Like TCP, SCTP fails to differentiate wireless loss from congestion loss, thus its performance over wired-cum-wireless networks suffers from unnecessary congestion window decreases. To improve the performance of SCTP in such a scenario, a new approach with the collaboration of multiple entities and interaction of multiple network layers is proposed. Simulation experiments, conducted through extended ns-2, validated that the proposed approach is adaptive to the variable bit error rate (BER) of the wireless channel, and can achieve higher goodput along with higher bandwidth utilization efficiency.","PeriodicalId":366183,"journal":{"name":"29th Annual IEEE International Conference on Local Computer Networks","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114806963","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: 9
Mobility-aware cache replacement for users of location-dependent services 位置依赖服务用户的移动感知缓存替换
29th Annual IEEE International Conference on Local Computer Networks Pub Date : 2004-11-16 DOI: 10.1109/LCN.2004.79
K. Y. Lai, Z. Tari, P. Bertók
{"title":"Mobility-aware cache replacement for users of location-dependent services","authors":"K. Y. Lai, Z. Tari, P. Bertók","doi":"10.1109/LCN.2004.79","DOIUrl":"https://doi.org/10.1109/LCN.2004.79","url":null,"abstract":"Recent advances in wireless communication and global positioning technologies have led to increasing interest in location dependent information services. As mobile users move between locations utilising such services, their access patterns not only exhibit temporal locality, but also spatial locality. Traditional cache replacement policies were designed to deal with temporal locality, as a result, they are inefficient location dependent services. In this paper a mobility-aware algorithm called MARS+ is proposed to detect regular client movement patterns and provides information to improve cache performance. Test results show that MARS+ improves clients' cache hit ratio by more than 16% compared to existing policies.","PeriodicalId":366183,"journal":{"name":"29th Annual IEEE International Conference on Local Computer Networks","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127724146","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: 25
A new density control algorithm for WSNs [wireless sensor networks] 一种新的无线传感器网络密度控制算法
29th Annual IEEE International Conference on Local Computer Networks Pub Date : 2004-11-16 DOI: 10.1109/LCN.2004.3
Yi Shang, Hongchi Shi
{"title":"A new density control algorithm for WSNs [wireless sensor networks]","authors":"Yi Shang, Hongchi Shi","doi":"10.1109/LCN.2004.3","DOIUrl":"https://doi.org/10.1109/LCN.2004.3","url":null,"abstract":"In dense sensor networks, density control is an important technique for prolonging network lifetime while providing sufficient sensing coverage. We present a new density control algorithm called NODC (non-overlapping density control). The goal of NODC is maximizing coverage while avoiding the overlap of sensing areas of active sensors. We derive the optimality conditions and develop a distributed algorithm. Experimental results show that NODC can use up to 20% fewer active nodes than OGDC with less than 5% reduction in coverage.","PeriodicalId":366183,"journal":{"name":"29th Annual IEEE International Conference on Local Computer Networks","volume":"67 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130060033","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
BEASTS: an enterprise management tool for providing information survivability in dynamic heterogeneous networked environments 野兽:在动态异构网络环境中提供信息生存能力的企业管理工具
29th Annual IEEE International Conference on Local Computer Networks Pub Date : 2004-11-16 DOI: 10.1109/LCN.2004.31
Gregory Pluta, L. Brumbaugh, W. Yurcik
{"title":"BEASTS: an enterprise management tool for providing information survivability in dynamic heterogeneous networked environments","authors":"Gregory Pluta, L. Brumbaugh, W. Yurcik","doi":"10.1109/LCN.2004.31","DOIUrl":"https://doi.org/10.1109/LCN.2004.31","url":null,"abstract":"The fundamental structure of enterprise networks has changed dramatically with mobility and mixed hardware/software platforms, thus making it necessary to rework basic system administration tasks, such as backup operations, host authentication, managing hardware/software configurations including patches, and provision of shared disk storage. NCSA has developed, and is currently testing, a software tool that can be used in a dynamic heterogeneous environment to manage these distributed network-based tasks better. The tool is called BEASTS (backup enterprise and security tracking system). The paper briefly presents the software architecture, GUI features, and preliminary results using this tool with plans for future deployment and distribution release.","PeriodicalId":366183,"journal":{"name":"29th Annual IEEE International Conference on Local Computer Networks","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130464418","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: 2
Dynamic control and power management algorithm for continuous wireless monitoring in sensor networks 传感器网络中连续无线监测的动态控制与电源管理算法
29th Annual IEEE International Conference on Local Computer Networks Pub Date : 2004-11-16 DOI: 10.1109/LCN.2004.46
A. Talukder, Rajankumar Bhatt, T. Sheikh, Rishi Pidva, L. Chandramouli, S. Monacos
{"title":"Dynamic control and power management algorithm for continuous wireless monitoring in sensor networks","authors":"A. Talukder, Rajankumar Bhatt, T. Sheikh, Rishi Pidva, L. Chandramouli, S. Monacos","doi":"10.1109/LCN.2004.46","DOIUrl":"https://doi.org/10.1109/LCN.2004.46","url":null,"abstract":"We discuss a novel control methodology for power management in heterogeneous distributed sensor networks. We present an event based control optimization formulation of the resource management problem and discuss a method to adaptively change the desired system performance of the sensor network in response to events. This functionality is critical in field-deployable sensor networks where continuous operation is expensive and system adaptation is critical for extended operation in the face of dynamic external events. We show results on various synthetic heterogeneous sensor networks where only partially accurate information about the sensing system is available and illustrate the efficacy of the control algorithm in handling such incorrect models with a negligible increase in transmission of the optimal control settings. We show that the run-time performance of the control algorithm scales quadratically with increasing number of sensors.","PeriodicalId":366183,"journal":{"name":"29th Annual IEEE International Conference on Local Computer Networks","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134062425","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: 12
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