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[1990] Proceedings. 15th Conference on Local Computer Networks最新文献

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Cycle compensation protocol: a completely fair protocol for the uni-directional twin-bus architecture 周期补偿协议:一种完全公平的单向双总线架构协议
[1990] Proceedings. 15th Conference on Local Computer Networks Pub Date : 1990-09-30 DOI: 10.1109/LCN.1990.128688
Yean-Shiang Leu, D. Du
{"title":"Cycle compensation protocol: a completely fair protocol for the uni-directional twin-bus architecture","authors":"Yean-Shiang Leu, D. Du","doi":"10.1109/LCN.1990.128688","DOIUrl":"https://doi.org/10.1109/LCN.1990.128688","url":null,"abstract":"The IEEE 802.6 standard distributed queue dual bus (DQDB) for metropolitan area networks (MANs) is considered. It is based on a unidirectional twin-bus architecture. The DQDB protocol lays more emphasis on the overall channel utilization than the fair sharing of channel bandwidth by all the stations. The resulting unfairness problem in which the upstream stations occupy most of the channel bandwidth while the downstream stations get fewer chances to transmit their packets is discussed. Many previously proposed possible fixes are also reviewed. However, these schemes either have a lower performance or cannot guarantee complete fairness when the ratio of end-to-end propagation delay to the slot-size is large. A cycle compensation protocol which ensures complete fairness regardless of the ratio of end-to-end propagation delay to the slot size is described. This proposed protocol also achieves almost the same performance as that of DQDB.<<ETX>>","PeriodicalId":122950,"journal":{"name":"[1990] Proceedings. 15th Conference on Local Computer Networks","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125705722","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: 13
An evaluation of IEEE 802 protocols and FDDI in real-time distributed systems 实时分布式系统中IEEE 802协议和FDDI的评价
[1990] Proceedings. 15th Conference on Local Computer Networks Pub Date : 1990-09-30 DOI: 10.1109/LCN.1990.128677
G. Alijani, R. L. Morrison
{"title":"An evaluation of IEEE 802 protocols and FDDI in real-time distributed systems","authors":"G. Alijani, R. L. Morrison","doi":"10.1109/LCN.1990.128677","DOIUrl":"https://doi.org/10.1109/LCN.1990.128677","url":null,"abstract":"An overview is provided of each of the alternate computer networking standards, specifically the IEEE 802 protocols and fiber distributed data interface (FDDI), which can be used effectively in real-time distributed systems. An analysis is given to provide a comparison of their relative strengths and weaknesses in supporting real-time distributed systems. A model is developed to provide the means to investigate the performance of each individual standard in terms of the number of messages that are transmitted successfully and the number of messages that cannot be transmitted prior to their deadlines. Fine tuning of the network parameters is discussed as well as the conditions under which each individual standard operates most efficiently.<<ETX>>","PeriodicalId":122950,"journal":{"name":"[1990] Proceedings. 15th Conference on Local Computer Networks","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128097689","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
Practical XNS internetworking at BLS 实用的XNS网络在BLS
[1990] Proceedings. 15th Conference on Local Computer Networks Pub Date : 1990-09-30 DOI: 10.1109/LCN.1990.128649
W. Adams
{"title":"Practical XNS internetworking at BLS","authors":"W. Adams","doi":"10.1109/LCN.1990.128649","DOIUrl":"https://doi.org/10.1109/LCN.1990.128649","url":null,"abstract":"Both the positive and negative sides of a 3Com-based Xerox network system (XNS) are illustrated using US Bureau of Labor Statistics (BLS) experience with this type of implementation. A historical perspective of the BLS LAN, the rationale behind using XNS and 3Plus, the topology of the BLS internetwork, and its main design philosophy are discussed. A review of the LAN services that the BLS internetworks is given, with emphasis on the causes of partial disruptions and their effect on the primary services. The results show that increased reliance on PC and LAN platforms requires developers to regard bullet proofing as an ongoing priority. Debugging in a large complex internet requires both breadth and depth of knowledge. The complexity of the environment must not be underestimated.<<ETX>>","PeriodicalId":122950,"journal":{"name":"[1990] Proceedings. 15th Conference on Local Computer Networks","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132872291","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
Reliable transfer of data in a local area network with multicast distribution 在多播分布的局域网中可靠的数据传输
[1990] Proceedings. 15th Conference on Local Computer Networks Pub Date : 1990-09-30 DOI: 10.1109/LCN.1990.128674
A. P. Narayan
{"title":"Reliable transfer of data in a local area network with multicast distribution","authors":"A. P. Narayan","doi":"10.1109/LCN.1990.128674","DOIUrl":"https://doi.org/10.1109/LCN.1990.128674","url":null,"abstract":"Certain distributed computing systems require a single device to transmit identical data sets to two or more devices in a local area network (LAN). This kind of data transmission can be achieved by using either a connection oriented protocol such as transmission control protocol/internet protocol (TCP/IP) or a connectionless protocol. Some of the performance aspects of these two kinds of protocols are discussed especially in terms of their ability to distribute identical data sets to two or more devices on the net. In particular, an adaptable and reliable multicast data transfer protocol is described. The client (transmitter) dynamically assigns the designated acknowledger from among the set of servers (receivers). In addition, the client is able to learn from the behavior of the network and modify its transmission algorithm so as to maximize its performance characteristics. The protocol is implemented in a UNIX environment.<<ETX>>","PeriodicalId":122950,"journal":{"name":"[1990] Proceedings. 15th Conference on Local Computer Networks","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122348936","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
Experimental analysis of cache memories for interconnect controllers 互连控制器缓存存储器的实验分析
[1990] Proceedings. 15th Conference on Local Computer Networks Pub Date : 1990-09-30 DOI: 10.1109/LCN.1990.128658
T. Sheu, Yuan-Bao Shieh
{"title":"Experimental analysis of cache memories for interconnect controllers","authors":"T. Sheu, Yuan-Bao Shieh","doi":"10.1109/LCN.1990.128658","DOIUrl":"https://doi.org/10.1109/LCN.1990.128658","url":null,"abstract":"The effects of cache memories on the performance of interconnect controllers (ICs) are analyzed using trace-driven simulation. Simulation results show that the controllers which interconnect hosts to LANs have a higher hit ratio than those that interconnect network devices to LANs. The impact of cache sizes, set associativity, and line sizes on cache performance is also investigated. A significant observation is that, although increasing the sizes can result in a higher hit ratio, it can also considerably increase traffic to main memory, thereby degrading overall system performance. A method of determining an optimal line size that produces the best overall system performance is therefore needed. A simple analytical model for determining the optimal line size as a function of cache size is presented.<<ETX>>","PeriodicalId":122950,"journal":{"name":"[1990] Proceedings. 15th Conference on Local Computer Networks","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128567764","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
FDDI concentrator design issues FDDI浓缩器设计问题
[1990] Proceedings. 15th Conference on Local Computer Networks Pub Date : 1990-09-30 DOI: 10.1109/LCN.1990.128684
E. Hotard
{"title":"FDDI concentrator design issues","authors":"E. Hotard","doi":"10.1109/LCN.1990.128684","DOIUrl":"https://doi.org/10.1109/LCN.1990.128684","url":null,"abstract":"The fiber distributed data interface (FDDI) standard specifies a robust architecture consisting of four basic types of devices: dual attachment stations (DAS), single attachment stations (SAS), dual attachment concentrators (DAC), and single attachment concentrators (SAC). Many of the prominent issues that face both concentrator designers and their customer, the network designer, are discussed. The discussion is divided into four parts: (1) basic concentrator design, (2) concentrator options, (3) capabilities provided by concentrator options, and (4) utility of concentrator capabilities. It shows that the utility of the added capabilities will vary depending on the goals, objectives, and requirements of the particular installation.<<ETX>>","PeriodicalId":122950,"journal":{"name":"[1990] Proceedings. 15th Conference on Local Computer Networks","volume":"249 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127537410","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
FDDI: meeting the interoperability challenge FDDI:应对互操作性挑战
[1990] Proceedings. 15th Conference on Local Computer Networks Pub Date : 1990-09-30 DOI: 10.1109/LCN.1990.128667
D. Benson, P. Ciarfella, Peter C. Hayden
{"title":"FDDI: meeting the interoperability challenge","authors":"D. Benson, P. Ciarfella, Peter C. Hayden","doi":"10.1109/LCN.1990.128667","DOIUrl":"https://doi.org/10.1109/LCN.1990.128667","url":null,"abstract":"The advent of the fiber distributed data interface (FDDI) standard promises a multivendor 100-Mb/s LAN solution. Comprehensive interoperability testing among the vendors both reinforces the normal interpretations of the standard and performs the most immediate goal-that of verifying the correctness of implementations. FDDI multivendor interoperability history and current status are discussed. The testing performed has discovered and helped fix problems in many vendor's implementations. Many problems discovered were the result of inconsistent interpretations of the station management (SMT) drafts. Other problems were due to incomplete implementations which did not support some functions defined in the SMT draft. Still other problems were a result of changes in the SMT draft which were overlooked by some implementations.<<ETX>>","PeriodicalId":122950,"journal":{"name":"[1990] Proceedings. 15th Conference on Local Computer Networks","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127570957","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
High-speed multimedia backbone LAN architecture based on ATM technology 基于ATM技术的高速多媒体骨干局域网架构
[1990] Proceedings. 15th Conference on Local Computer Networks Pub Date : 1990-09-30 DOI: 10.1109/LCN.1990.128661
Yoshihiro Takiyasu, E. Amada, Yasuhiko Hatakeyama, Y. Yamauchi
{"title":"High-speed multimedia backbone LAN architecture based on ATM technology","authors":"Yoshihiro Takiyasu, E. Amada, Yasuhiko Hatakeyama, Y. Yamauchi","doi":"10.1109/LCN.1990.128661","DOIUrl":"https://doi.org/10.1109/LCN.1990.128661","url":null,"abstract":"A new high-speed multimedia backbone LAN (MBLAN) architecture that efficiently accommodates existing terminals and offers connectivity with public networks in the introduction stage of broadband ISDN (B-ISDN) is presented. A logical 156-Mb/s ring with the standard synchronous optical network (SONET) format is a basic element to realize the proposed high-speed backbone LAN. Several rings are multiplexed into a 622-Mb/s or 2.4-Gb/s physical transmission line. The slotted ring access method is utilized for each logical ring in order to provide a multimedia communication facility. The slot size and format are based on the asynchronous transfer mode standard and offer easy connectivity with B-ISDN. Independent clocking using the SONET stuffing mechanism is also introduced to solve the jitter accumulation problem.<<ETX>>","PeriodicalId":122950,"journal":{"name":"[1990] Proceedings. 15th Conference on Local Computer Networks","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130802162","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
FDDI follow-on status 外商直接投资后续状况
[1990] Proceedings. 15th Conference on Local Computer Networks Pub Date : 1990-09-30 DOI: 10.1109/LCN.1990.128639
Robert M. Grow
{"title":"FDDI follow-on status","authors":"Robert M. Grow","doi":"10.1109/LCN.1990.128639","DOIUrl":"https://doi.org/10.1109/LCN.1990.128639","url":null,"abstract":"Work has been initiated within the American National Standards Committee X3T9.5 committee that developed the standards for the fiber distributed data interface (FDDI) on a new generation local area network. This network is targeted for operation at rates greater than 1 Gb/s. This follow-on work to FDDI is at an early stage. The current requirements for an FDDI follow-on network are presented, the issues affecting those requirements are discussed, and plans for future work are given.<<ETX>>","PeriodicalId":122950,"journal":{"name":"[1990] Proceedings. 15th Conference on Local Computer Networks","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131527118","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
An FDDI bridge for the high-speed multimedia backbone LAN 用于高速多媒体骨干局域网的FDDI桥接
[1990] Proceedings. 15th Conference on Local Computer Networks Pub Date : 1990-09-30 DOI: 10.1109/LCN.1990.128686
O. Takada, Masato Tsukakoshi, M. Terada, M. Yamaga
{"title":"An FDDI bridge for the high-speed multimedia backbone LAN","authors":"O. Takada, Masato Tsukakoshi, M. Terada, M. Yamaga","doi":"10.1109/LCN.1990.128686","DOIUrl":"https://doi.org/10.1109/LCN.1990.128686","url":null,"abstract":"An architecture for a high-performance bridge that interconnects the fiber distributed data interface (FDDI) ring and the asynchronous transfer mode (ATM) technology based high-speed multimedia backbone LAN (MBLAN) is proposed. This bridge architecture enables the FDDI bridge to learn the source terminal address efficiently by selecting the error-free cell in which the source terminal address is contained, instead of receiving the whole FDDI frame. The fast filtering-database access technique, which applies a multiple hashing algorithm, has high flexibility: that is, both the entry search speed and an effective number of entries in the entry table can be adapted to the requirements of an application by changing the maximum number of hashing times. Both the proposed architecture and the fast filtering-database access technique can be applied to any bridges, the media access method of which handles a fixed-length packet. The MBLAN provides data transmission, as well as voice and video transmission, and is under development.<<ETX>>","PeriodicalId":122950,"journal":{"name":"[1990] Proceedings. 15th Conference on Local Computer Networks","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125188333","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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