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Proceedings LCN 2001. 26th Annual IEEE Conference on Local Computer Networks最新文献

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Broadband wireless local loop evaluation via an active TCP connection monitoring methodology 通过主动TCP连接监测方法的宽带无线本地环路评估
Proceedings LCN 2001. 26th Annual IEEE Conference on Local Computer Networks Pub Date : 2001-11-14 DOI: 10.1109/LCN.2001.990840
Harish Sitaraman, Jesse M. Davis, Joseph B. Evans
{"title":"Broadband wireless local loop evaluation via an active TCP connection monitoring methodology","authors":"Harish Sitaraman, Jesse M. Davis, Joseph B. Evans","doi":"10.1109/LCN.2001.990840","DOIUrl":"https://doi.org/10.1109/LCN.2001.990840","url":null,"abstract":"Active monitoring of TCP connections aids in the study of the stability of such connections over a given setup. With the advent of access technologies aiming to provide solutions to the last mile problem, there needs to be a method by which an ISP can study TCP connections over such equipment. TCP in itself has been designed to be stable and has been proven to be stable over many access technologies. But in many cases, the connections are not stable enough from a customer's perspective. Our effort has been to develop a TCP connection monitoring methodology that the ISP can study the rate at which connections are lost. We develop a connection monitoring tool (ConMon) that measures round trip time and throughput apart from detecting connections drops. The path to the end point is also traced in order to study reasons for possible connection drops. We test this tool over wired LAN, cable modem and broadband wireless technologies.","PeriodicalId":213526,"journal":{"name":"Proceedings LCN 2001. 26th Annual IEEE Conference on Local Computer Networks","volume":"61 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129542545","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
Multicast injection for application network deployment 用于应用网络部署的组播注入
Proceedings LCN 2001. 26th Annual IEEE Conference on Local Computer Networks Pub Date : 2001-11-14 DOI: 10.1109/LCN.2001.990814
Oscar Ardaiz-Villanueva, Felix Freitag, L. Navarro
{"title":"Multicast injection for application network deployment","authors":"Oscar Ardaiz-Villanueva, Felix Freitag, L. Navarro","doi":"10.1109/LCN.2001.990814","DOIUrl":"https://doi.org/10.1109/LCN.2001.990814","url":null,"abstract":"The introduction of new services on the Internet is a laborious, time-consuming task. Application networks, applications being serviced through multiple interconnected service nodes disseminated across the Internet for better performance, fault tolerance and availability, as well are costly to set up. In order to provide a network-enabled application service, a number of surrogate servers have to be provisioned. We propose a mechanisms to dynamically deploy an application network: multicast injection. Currently employed dynamic deployment mechanisms, SNMP per-node configuration, is a centralized model that can not scale or be as fault tolerant as more distributed mechanisms such as multicast injection. We perform simulations to compare its efficiency in terms of deployment request success ratio, unused allocation percentage and traffic vs. deployment resource allocation requests. We show that multicast injection has a higher success ratio with lower bandwidth consumption at the deployers' locations.","PeriodicalId":213526,"journal":{"name":"Proceedings LCN 2001. 26th Annual IEEE Conference on Local Computer Networks","volume":"103 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131648793","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
Addressing location issues in mobile commerce 解决移动商务中的位置问题
Proceedings LCN 2001. 26th Annual IEEE Conference on Local Computer Networks Pub Date : 2001-11-14 DOI: 10.1109/LCN.2001.990786
U. Varshney
{"title":"Addressing location issues in mobile commerce","authors":"U. Varshney","doi":"10.1109/LCN.2001.990786","DOIUrl":"https://doi.org/10.1109/LCN.2001.990786","url":null,"abstract":"Mobile commerce is an emerging area involving applications, mobile devices, middleware, and wireless networks. The applications may include mobile financial services, user and location specific mobile advertising, mobile inventory management, wireless business reengineering, and mobile interactive games. One important requirement of these applications is the support for location tracking of products, services, devices, and people. In this paper, we address this issue by presenting: (a) the location requirements of the emerging M-commerce applications; (b) how these could be supported by the existing and emerging wireless networks; and (c) a new methodology to model M-commerce applications using a generic M-commerce application to evaluate the location management overhead of various M-commerce applications.","PeriodicalId":213526,"journal":{"name":"Proceedings LCN 2001. 26th Annual IEEE Conference on Local Computer Networks","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132256357","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: 14
An access control architecture for microcellular wireless IPv6 networks 微蜂窝无线IPv6网络的访问控制体系结构
Proceedings LCN 2001. 26th Annual IEEE Conference on Local Computer Networks Pub Date : 2001-11-14 DOI: 10.1109/LCN.2001.990822
S. Schmid, J. Finney, Maomao Wu, A. Friday, A. Scott, D. Shepherd
{"title":"An access control architecture for microcellular wireless IPv6 networks","authors":"S. Schmid, J. Finney, Maomao Wu, A. Friday, A. Scott, D. Shepherd","doi":"10.1109/LCN.2001.990822","DOIUrl":"https://doi.org/10.1109/LCN.2001.990822","url":null,"abstract":"This document introduces a novel access control architecture for publicly accessible wireless overlay networks. The architecture is designed to address the problems of ubiquitous Internet service provisioning within the city of Lancaster. The proposed access control mechanism is based on the concepts of secure user authentication, packet marking, and network-level packet filtering. The novelty of the architecture lies in its use of microcellular layer three networks to acquire fine grained access control in a link independent manner. The paper describes the concepts behind the access control architecture and demonstrates to what extent it addresses the security, performance and extensibility concerns of public access packet switched wireless networks.","PeriodicalId":213526,"journal":{"name":"Proceedings LCN 2001. 26th Annual IEEE Conference on Local Computer Networks","volume":"79 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133460511","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
Energy-efficient infrastructure formation in MANETs 城域网中节能基础设施的形成
Proceedings LCN 2001. 26th Annual IEEE Conference on Local Computer Networks Pub Date : 2001-11-14 DOI: 10.1109/LCN.2001.990834
A. Safwat, H. Hassanein, H. Mouftah
{"title":"Energy-efficient infrastructure formation in MANETs","authors":"A. Safwat, H. Hassanein, H. Mouftah","doi":"10.1109/LCN.2001.990834","DOIUrl":"https://doi.org/10.1109/LCN.2001.990834","url":null,"abstract":"We propose a novel protocol for wireless mobile ad hoc networks, which establishes a dynamic wireless mobile infrastructure. The proposed protocol, namely, the power-aware virtual base stations (PA-VBS) protocol, mimics and maintains the operation of the conventional fixed infrastructure in cellular networks. In the PA-VBS protocol, a mobile node is elected from a set of nominees to act as a temporary base station within its zone based on its normalized power value. Likewise, we study the characteristics and performance of PA-VBS by means of simulation. It is shown that PA-VBS scales well to large networks of mobile stations, and that it outperforms other infrastructure-formation protocols in terms of load balancing.","PeriodicalId":213526,"journal":{"name":"Proceedings LCN 2001. 26th Annual IEEE Conference on Local Computer Networks","volume":"83 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116100291","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
TCP performance enhancement in wireless/mobile communications 无线/移动通信中的TCP性能增强
Proceedings LCN 2001. 26th Annual IEEE Conference on Local Computer Networks Pub Date : 2001-11-14 DOI: 10.1109/LCN.2001.990841
S. Hadjiefthymiades, Stamatis Papayiannis, L. Merakos
{"title":"TCP performance enhancement in wireless/mobile communications","authors":"S. Hadjiefthymiades, Stamatis Papayiannis, L. Merakos","doi":"10.1109/LCN.2001.990841","DOIUrl":"https://doi.org/10.1109/LCN.2001.990841","url":null,"abstract":"The operation of TCP in wireless/mobile environments is considered. After briefly presenting previous efforts to ameliorate TCP performance in the considered environments, we propose a new mechanism for tackling the problems caused by handovers. Our mechanism is based on stochastic datagram relocation. Traffic destined to the mobile terminal is tunneled to adjacent cells according to the output of a path prediction algorithm. To reduce the associated overhead, only percentages of inbound traffic are copied to the cell's neighborhood on the basis of estimated probabilities. Through simulations, we have measured the effects that stochastic datagram relocation has on TCP dynamics.","PeriodicalId":213526,"journal":{"name":"Proceedings LCN 2001. 26th Annual IEEE Conference on Local Computer Networks","volume":"58 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116526340","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
Voice over IP with JVOIPLIB and JRTPLIB IP语音与JVOIPLIB和JRTPLIB
Proceedings LCN 2001. 26th Annual IEEE Conference on Local Computer Networks Pub Date : 2001-11-14 DOI: 10.1109/LCN.2001.990805
J. Liesenborgs, W. Lamotte, F. Reeth
{"title":"Voice over IP with JVOIPLIB and JRTPLIB","authors":"J. Liesenborgs, W. Lamotte, F. Reeth","doi":"10.1109/LCN.2001.990805","DOIUrl":"https://doi.org/10.1109/LCN.2001.990805","url":null,"abstract":"Voice over IP (VoIP) can be used in a wide variety of applications, all having different requirements. We present JVOIPLIB and JRTPLIB, a VoIP library and an RTP library respectively. Together they make it possible to easily add VoIP to various types of applications. Both libraries are written in an object-oriented style in C++, are open-source and are both very extensible. Several measures have been taken to allow good synchronization between the communicating parties.","PeriodicalId":213526,"journal":{"name":"Proceedings LCN 2001. 26th Annual IEEE Conference on Local Computer Networks","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122345864","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
RATE control for bandwidth allocated services in IEEE 802.3 Ethernet IEEE 802.3以太网中带宽分配业务的速率控制
Proceedings LCN 2001. 26th Annual IEEE Conference on Local Computer Networks Pub Date : 2001-11-14 DOI: 10.1109/LCN.2001.990821
K. Yoshigoe, Kenneth J. Christensen
{"title":"RATE control for bandwidth allocated services in IEEE 802.3 Ethernet","authors":"K. Yoshigoe, Kenneth J. Christensen","doi":"10.1109/LCN.2001.990821","DOIUrl":"https://doi.org/10.1109/LCN.2001.990821","url":null,"abstract":"We investigate how to add rate control to full-duplex IEEE 802.3 Ethernet. We envision the need for rate control in order to enable bandwidth allocation in future Ethernet in the first mile (EFM) subscriber services. We propose a RATE mechanism that can be implemented with a simple byte-based leaky bucket. We demonstrate with simulation methods that RATE can isolate flows and provide lower loss and delay than no control or PAUSE control for misbehaving flows. We also show, using simulation models, that RATE and PAUSE can complement each other where a switch is RATE controlled and the sending source PAUSE controlled. An appendix gives a formal specification of RATE.","PeriodicalId":213526,"journal":{"name":"Proceedings LCN 2001. 26th Annual IEEE Conference on Local Computer Networks","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129924264","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
An analysis comparing light-tree and lightpath in wavelength routed optical networks 波长路由光网络中光树和光路的比较分析
Proceedings LCN 2001. 26th Annual IEEE Conference on Local Computer Networks Pub Date : 2001-11-14 DOI: 10.1109/LCN.2001.990826
Y. Zhang, D. Sidhu
{"title":"An analysis comparing light-tree and lightpath in wavelength routed optical networks","authors":"Y. Zhang, D. Sidhu","doi":"10.1109/LCN.2001.990826","DOIUrl":"https://doi.org/10.1109/LCN.2001.990826","url":null,"abstract":"This paper demonstrates that an optimum light-tree-based virtual topology has improved performance over an optimum lightpath-based virtual topology with respect to minimizing network-wide average packet hop distance in the network.","PeriodicalId":213526,"journal":{"name":"Proceedings LCN 2001. 26th Annual IEEE Conference on Local Computer Networks","volume":"19 4","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120848761","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: 6
On resource management in multi-service network 多业务网络中的资源管理
Proceedings LCN 2001. 26th Annual IEEE Conference on Local Computer Networks Pub Date : 2001-11-14 DOI: 10.1109/LCN.2001.990770
V. Kaminsky, Lev Kacnelson, I. Gerlovin
{"title":"On resource management in multi-service network","authors":"V. Kaminsky, Lev Kacnelson, I. Gerlovin","doi":"10.1109/LCN.2001.990770","DOIUrl":"https://doi.org/10.1109/LCN.2001.990770","url":null,"abstract":"In the present work we address a problem of optimal resource partitioning in high-speed networks with heterogeneous traffic classes and differentiated QoS requirements. The problem arguments are bandwidth and network-edge buffer space allocations for end-to-end connections. The problem formulation can take into account sensitivity variation of application performance for both aggregated and single service requests. The proposed method is recursive and solves two problems on each iteration step. The first step defines optimal relations between network media, equipment performance parameters and selected routing scheme in accordance with generalized mean of links and network nodes loads. Mutual influence of flows in the network is considered in this stage. The second stage is intended to provide optimal bandwidth and buffer size allocation parameters under network resource and QoS constraints. At this stage, stochastic resource allocation problem formulation with piecewise linearization of nonlinear constraints is applied. We use connection request distribution, average connection duration time and quantity of information exchange as sensitive parameters in post optimal analysis to improve solution convergence to optimal tradeoff between resource allocation and acceptable application performance.","PeriodicalId":213526,"journal":{"name":"Proceedings LCN 2001. 26th Annual IEEE Conference on Local Computer Networks","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121475957","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
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