32nd IEEE Conference on Local Computer Networks (LCN 2007)最新文献

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Tunable Group Key Agreement 可调组密钥协议
32nd IEEE Conference on Local Computer Networks (LCN 2007) Pub Date : 2007-10-15 DOI: 10.1109/LCN.2007.83
Rajesh Ingle, G. Sivakumar
{"title":"Tunable Group Key Agreement","authors":"Rajesh Ingle, G. Sivakumar","doi":"10.1109/LCN.2007.83","DOIUrl":"https://doi.org/10.1109/LCN.2007.83","url":null,"abstract":"Secure group communication has various applications. Requirements for an application differ in various parameters such as tolerance times for join and leave, arrival rate, departure rate, staying period and group life time. Existing group key agreement protocols do not harness knowledge of application requirements. In this paper we present scheme for tunable group key agreement. We introduce an application class awareness concept, rekeying algorithms and novel key tree structure. We simulated periodic refresh mode, periodic batch mode and controlled periodic refresh mode. Simulation experiment clearly shows that controlled periodic refresh mode outperforms periodic refresh mode and periodic batch mode.","PeriodicalId":333233,"journal":{"name":"32nd IEEE Conference on Local Computer Networks (LCN 2007)","volume":"261 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124935492","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: 7
Local Area Network Modeling for Performance Prediction 性能预测的局域网建模
32nd IEEE Conference on Local Computer Networks (LCN 2007) Pub Date : 2007-10-15 DOI: 10.1109/LCN.2007.16
P. Salvador, A. Nogueira, R. Valadas
{"title":"Local Area Network Modeling for Performance Prediction","authors":"P. Salvador, A. Nogueira, R. Valadas","doi":"10.1109/LCN.2007.16","DOIUrl":"https://doi.org/10.1109/LCN.2007.16","url":null,"abstract":"This paper proposes a new approach to the modeling of packet switching networks that is based only on measurements (or simulations) and does not require any information on the network structure. Network managers usually need to assess network behavior for varying number of users or evolving traffic profiles, even without a complete knowledge of the network topology or resources. In these cases, it is critical to have a framework that, based on existing measurements and/or mathematical models (that describe the evolution of the number of users and their traffic profiles), infer the future network quality of service (QoS) parameters. Using these predictions, the network manager can take substantiated decisions on the need for resources reallocation or upgrading.","PeriodicalId":333233,"journal":{"name":"32nd IEEE Conference on Local Computer Networks (LCN 2007)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121900155","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
A Measurement-Based Modeling Approach for Network-Induced Packet Delay 基于测量的网络数据包延迟建模方法
32nd IEEE Conference on Local Computer Networks (LCN 2007) Pub Date : 2007-10-15 DOI: 10.1109/LCN.2007.136
Daniel A. Vivanco, A. Jayasumana
{"title":"A Measurement-Based Modeling Approach for Network-Induced Packet Delay","authors":"Daniel A. Vivanco, A. Jayasumana","doi":"10.1109/LCN.2007.136","DOIUrl":"https://doi.org/10.1109/LCN.2007.136","url":null,"abstract":"An approach is presented to capture and model Internet end-to-end packet delay behavior using ARMA and ARIMA models. Autocorrelation (ACF) and Partial Autocorrelation (PACF) functions are used to identify the most appropriate model and the model order. Impact due to sending rate and packet size of the probe, and the available link capacity on these two metrics are investigated. Results indicate that the models presented reflect accurately the effect of packet correlation induced by the network. Modeling Inter-Packet Gap (IPG) is an alternative for capturing the effect of the network on a packet stream. A methodology for fitting ARMA and ARIMA models to end-to-end packet delay and IPG series is presented.","PeriodicalId":333233,"journal":{"name":"32nd IEEE Conference on Local Computer Networks (LCN 2007)","volume":"77 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121966943","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: 7
A Novel MIMO-Aware Distributed Media Access Control Scheme for IEEE 802.11 Wireless Local Area Networks 一种新的IEEE 802.11无线局域网支持mimo的分布式媒体访问控制方案
32nd IEEE Conference on Local Computer Networks (LCN 2007) Pub Date : 2007-10-15 DOI: 10.1109/LCN.2007.14
D. Dechene, Khalim Amjad Meerja, A. Shami, S. Primak
{"title":"A Novel MIMO-Aware Distributed Media Access Control Scheme for IEEE 802.11 Wireless Local Area Networks","authors":"D. Dechene, Khalim Amjad Meerja, A. Shami, S. Primak","doi":"10.1109/LCN.2007.14","DOIUrl":"https://doi.org/10.1109/LCN.2007.14","url":null,"abstract":"This paper proposes a new distributed media access control (MAC) scheme to improve the network performance of Multiple-Input Multiple-Output (MIMO) wireless systems. In particular, this novel MAC scheme efficiently schedules two simultaneous transmissions between wireless stations (each equipped with three antennas) that are located in a single collision domain. Along with weighted nulling and intelligent packet fragmentation, this MAC scheme is capable of providing more efficient utilization of channel resources. The proposed MIMO-aware MAC scheme is compatible with the IEEE 802.11 standard. Detailed simulations are carried out to study the performance of the proposed scheme. The performance of the MIMO-aware MAC scheme is also compared with a recently proposed MIMO MAC scheme in the literature which is compatible with the IEEE 802.11 standard. Comparisons reveal that the proposed MIMO-aware MAC scheme achieves better throughput and delay performance under both saturated and unsaturated conditions.","PeriodicalId":333233,"journal":{"name":"32nd IEEE Conference on Local Computer Networks (LCN 2007)","volume":"60 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126346899","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: 23
Voice quality measurement in a typical router-based network 典型的基于路由器的网络中的语音质量测量
32nd IEEE Conference on Local Computer Networks (LCN 2007) Pub Date : 2007-10-15 DOI: 10.1109/LCN.2007.143
A. Azarfar, A. Jahangir
{"title":"Voice quality measurement in a typical router-based network","authors":"A. Azarfar, A. Jahangir","doi":"10.1109/LCN.2007.143","DOIUrl":"https://doi.org/10.1109/LCN.2007.143","url":null,"abstract":"In this paper, we introduce novel mechanisms for measuring and evaluating the performance of a network and its devices, configured especially for voice over IP (VoIP). We study the effects of different configurations on final voice quality by enabling or changing the related equipment features. In our study we quantify quality changes based on different router configurations and discuss precisely to what extent and how much this quality is improved versus features or special configurations of network devices. These results can be used for two purposes: compare and benchmark different routers in order to know which one is proper for a typical VoIP network, and select the best configurations. We demonstrate that the highest final quality of voice is achieved in packet remarking configurations with IP precedence and DSCP.","PeriodicalId":333233,"journal":{"name":"32nd IEEE Conference on Local Computer Networks (LCN 2007)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120979345","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
CAT: A Cost-Aware BitTorrent 一个有成本意识的BitTorrent
32nd IEEE Conference on Local Computer Networks (LCN 2007) Pub Date : 2007-10-15 DOI: 10.1093/ietcom/e91-b.12.3831
S. Yamazaki, H. Tode, K. Murakami
{"title":"CAT: A Cost-Aware BitTorrent","authors":"S. Yamazaki, H. Tode, K. Murakami","doi":"10.1093/ietcom/e91-b.12.3831","DOIUrl":"https://doi.org/10.1093/ietcom/e91-b.12.3831","url":null,"abstract":"With an enhanced client computer performance and network bandwidth, peer-to-peer (P2P) content distribution networks are receiving much attention. However, along with the popularization of P2P content distribution networks, inter- Internet service provider (ISP) traffic and ISP costs are increasing, and pose an impediment for making a potential P2P content distribution network social infrastructure. This paper presents a method to constitute P2P content distribution networks and a reduction in ISP costs by considering the form of the ISP interconnection in its distribution. Results from our simulations show that our proposal achieves a reduction in ISP costs and distribution time, regardless of the number of peers joining a P2P network and the capacity of its content.","PeriodicalId":333233,"journal":{"name":"32nd IEEE Conference on Local Computer Networks (LCN 2007)","volume":"61 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127615313","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
Fibre Channel Switch Modeling at Fibre Channel-2 Level for Large Fabric Storage Area Network Simulations using OMNeT++: Preliminary Results 使用omnet++模拟大型Fabric存储区域网络的光纤通道2级光纤通道交换机建模:初步结果
32nd IEEE Conference on Local Computer Networks (LCN 2007) Pub Date : 2007-10-15 DOI: 10.1109/LCN.2007.50
T. Brothers, S. Muknahallipatna, J. Hamann
{"title":"Fibre Channel Switch Modeling at Fibre Channel-2 Level for Large Fabric Storage Area Network Simulations using OMNeT++: Preliminary Results","authors":"T. Brothers, S. Muknahallipatna, J. Hamann","doi":"10.1109/LCN.2007.50","DOIUrl":"https://doi.org/10.1109/LCN.2007.50","url":null,"abstract":"Medium sized storage area networks using fibre channel have been a common implementation for data storage in enterprise data centers. The ever increasing demand for large storage pools has paved to the idea of implementing large distributed storage area networks also known as large fabrics. The large fabrics seem to experience fabric scaling and fabric stability issues. These scaling and stability issues are related to the performance of various fabric servers of fabric services, such as fabric controller, fabric login, directory, etc., which are part of the fibre channel-2 level of the fibre channel protocol. To determine the extent of scaling and stability issues of a large fabric an adequate tool is required. The tool could be an analytical model, a hardware simulator, or a discrete event software simulator. The discrete event software simulator provides a number of benefits over the analytical model and hardware simulator. In this paper, the modeling of a fibre channel switch using the OMNeT++ discrete event simulator and simulation of large fabric are presented. As a first step, only the fibre channel-2 level of the fibre channel switch is modeled since it is the layer containing various fabric services dealing with fabric building and managing. In this paper, the process of building a fabric and managing and how it is implemented in the simulator are discussed. Also, a preliminary analysis of the results in comparison to the test bed traffic is presented showing the accuracy and representation of an actual large fabric by the simulator.","PeriodicalId":333233,"journal":{"name":"32nd IEEE Conference on Local Computer Networks (LCN 2007)","volume":"58 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130783523","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: 28
Performance Analysis of Single Cell IEEE 802.16e Wireless MAN 单cell IEEE 802.16e无线城域网性能分析
32nd IEEE Conference on Local Computer Networks (LCN 2007) Pub Date : 2007-10-15 DOI: 10.1109/LCN.2007.129
Thierry Peyre, R. E. Azouzi
{"title":"Performance Analysis of Single Cell IEEE 802.16e Wireless MAN","authors":"Thierry Peyre, R. E. Azouzi","doi":"10.1109/LCN.2007.129","DOIUrl":"https://doi.org/10.1109/LCN.2007.129","url":null,"abstract":"We analyze IEEE 802.16e medium access control (MAC) sublayer and provides a simple analytical model to compute the 802.16e MAC throughput. Our approach is to begin with a key approximation made in IEEE 802.11. This study leads to a fixed point equation, which characterizes the operating point of system. It allows us to compute the attempt rate of a mobile in saturated case as well as the throughput formulas for the overall network. Moreover, our performance model deals with a recently released IEEE802.16 criterium : the tr parameter, which have a main impact on the MAC performance.","PeriodicalId":333233,"journal":{"name":"32nd IEEE Conference on Local Computer Networks (LCN 2007)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133651016","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
Modified Algorithms for Multilevel GRSB Protocol 多级GRSB协议的改进算法
32nd IEEE Conference on Local Computer Networks (LCN 2007) Pub Date : 2007-10-15 DOI: 10.1109/LCN.2007.33
M. A. Hoque, S. Amin, Md. Shohrab Hossain
{"title":"Modified Algorithms for Multilevel GRSB Protocol","authors":"M. A. Hoque, S. Amin, Md. Shohrab Hossain","doi":"10.1109/LCN.2007.33","DOIUrl":"https://doi.org/10.1109/LCN.2007.33","url":null,"abstract":"GRSB - guaranteed, reliable, secure broadcast - is a protocol that provides reliable and secure broadcast/multicast communications. It can be implemented in many types of networks - local area networks, wide area networks, as well as satellite communications. The methodology used in this protocol is surprisingly simple. Three logical nodes are enforced in the network - a central retransmiter, a designated acknowledger, and a playback recorder(s). Through the coordinated service of the three nodes, every user node can be guaranteed to receive all broadcast messages in the correct temporal order. A fourth logical node, the security controller, can be added to the protocol to provide security-related services such as user authentication, message encryption, etc. In this paper, we have proposed a multilevel broadcast model of GRSB (guaranteed, reliable and secure broadcast) protocol , where 1st level broadcast mostly maintains the traditional GRSB model. 2nd level broadcast has two types of nodes where nodes of Is' kind i.e. nodes that are directly connected with the attachment nodes, can be temporarily in 'not alive' condition and hence follow the traditional GRSB model as well. On the other hand, nodes of 2nd kind i.e. nodes that are not directly connected with the attachment nodes, must be 'alive' all the time and have to follow two phases to finish the broadcast.","PeriodicalId":333233,"journal":{"name":"32nd IEEE Conference on Local Computer Networks (LCN 2007)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114262020","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 of a Polling-Based Access Scheme for 802.11 基于轮询的802.11接入方案建模
32nd IEEE Conference on Local Computer Networks (LCN 2007) Pub Date : 2007-10-15 DOI: 10.1109/LCN.2007.57
D. Obeid, S. Sheeshia
{"title":"Modeling of a Polling-Based Access Scheme for 802.11","authors":"D. Obeid, S. Sheeshia","doi":"10.1109/LCN.2007.57","DOIUrl":"https://doi.org/10.1109/LCN.2007.57","url":null,"abstract":"We propose enhancements to the IEEE 802.11e protocol in order to provide fairness for non-real time applications while providing QoS for real-time traffic. The enhancements are based on a contention-free polling access scheme. The M/M/l and M/G/l queuing systems are used to model the 802.11e and our proposed scheme respectively. Preliminary analytical results show that the proposed scheme reduces delay for both types of traffic.","PeriodicalId":333233,"journal":{"name":"32nd IEEE Conference on Local Computer Networks (LCN 2007)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123995903","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
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