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

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A high performance implementation of OSI transport protocol class 4; evaluation and perspectives OSI第4类传输协议的高性能实现评价和观点
[1990] Proceedings. 15th Conference on Local Computer Networks Pub Date : 1990-09-30 DOI: 10.1109/LCN.1990.128663
C. Diot, M. Dang
{"title":"A high performance implementation of OSI transport protocol class 4; evaluation and perspectives","authors":"C. Diot, M. Dang","doi":"10.1109/LCN.1990.128663","DOIUrl":"https://doi.org/10.1109/LCN.1990.128663","url":null,"abstract":"General-purpose protocols such as open systems interconnection (OSI) transport protocol class 4 (TP4) are confronted with new requirements in computer communication. The services proposed become unadapted and performance insufficient. Then appears a new generation of high-speed protocols designed for real-time applications or VLSI implementation. TP4 performance and its modeling for multiprocessor implementation are analyzed. Functionalities efficiency and implementation characteristics (about dedicated data structures, resources management, and dedicated algorithms) are presented. General elements on TP4 availability are discussed, and implementation environment characteristics are presented.<<ETX>>","PeriodicalId":122950,"journal":{"name":"[1990] Proceedings. 15th Conference on Local Computer Networks","volume":"107 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":"114873138","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
High performance internetworking protocol 高性能互连网络协议
[1990] Proceedings. 15th Conference on Local Computer Networks Pub Date : 1990-09-30 DOI: 10.1109/LCN.1990.128655
T. Braun, M. Zitterbart
{"title":"High performance internetworking protocol","authors":"T. Braun, M. Zitterbart","doi":"10.1109/LCN.1990.128655","DOIUrl":"https://doi.org/10.1109/LCN.1990.128655","url":null,"abstract":"The use of parallelism for protocol processing in a parallel architecture of an internetworking unit is presented. This architecture consists of pipelines and arrays of processors and supports multiple memory concepts (local and global memory). A high-performance parallel implementation of the internetworking protocol in a gateway is discussed, and selected performance results are presented. The results show that requirements of high-speed networks with throughputs of more than 100 Mb/s can be fulfilled with the proposed parallel architecture and implementation.<<ETX>>","PeriodicalId":122950,"journal":{"name":"[1990] Proceedings. 15th Conference on Local Computer Networks","volume":"68 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":"123556766","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 fair featured metropolitan area network 一个市集特色的都市区域网络
[1990] Proceedings. 15th Conference on Local Computer Networks Pub Date : 1990-09-30 DOI: 10.1109/LCN.1990.128689
A. Lombardo, S. Palazzo, A. L. Corte, D. Panno
{"title":"A fair featured metropolitan area network","authors":"A. Lombardo, S. Palazzo, A. L. Corte, D. Panno","doi":"10.1109/LCN.1990.128689","DOIUrl":"https://doi.org/10.1109/LCN.1990.128689","url":null,"abstract":"An architecture and a media access control (MAC) protocol aimed at improving fairness in dual-bus networks are introduced. The major feature of this proposal is that the distributed operation of updating the queue is made atomic, so that the average bus access delay is equalized over the network. An equalized access gain is provided by mandating that a station waiting for transmission consider itself as positioned in the distributed queue only after a constant delay, which is needed for all the other stations to register the request of the first one. This delay is equal to the propagation time of the request along the entire bus. It is shown that under certain conditions the average access delay results in the one experienced in the distributed queue dual bus (DQDB) by those stations which are placed at the middle of the bus. Consequently, the global end-to-end delay remains much below the limits fixed by the CCITT for delay sensitive services. The actual average delay is even smaller than the one estimated due to the presence in the protocol of the stand-by mechanism which is the same as in the DQDB version. In comparison with the traditional DQDB, the increase in access-delay values is rewarded by the significant improvement in terms of fairness.<<ETX>>","PeriodicalId":122950,"journal":{"name":"[1990] Proceedings. 15th Conference on Local Computer Networks","volume":"168 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":"116500014","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
The real world of high speed networking: user interfaces 高速网络的真实世界:用户界面
[1990] Proceedings. 15th Conference on Local Computer Networks Pub Date : 1990-09-30 DOI: 10.1109/LCN.1990.128670
Gary W. Macheel, T. Felisky
{"title":"The real world of high speed networking: user interfaces","authors":"Gary W. Macheel, T. Felisky","doi":"10.1109/LCN.1990.128670","DOIUrl":"https://doi.org/10.1109/LCN.1990.128670","url":null,"abstract":"High-speed data transfer networks are becoming the norm in new ship system designs. The network interfacing situation in present-day and foreseeable ship designs are described and a method of dealing with the user network interfaces is discussed. This discussion and the recommended solution are illustrated by examples of shipboard data transfer networks implemented by Rockwell International Corporation on US and foreign navy ship programs. In the design philosophy used, the network must provide the interface capability for users which do not have a direct network compatible interface. This way, the possible application of the network is expanded, resulting in greater operating benefits to the ship and its mission.<<ETX>>","PeriodicalId":122950,"journal":{"name":"[1990] Proceedings. 15th Conference on Local Computer Networks","volume":"34 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":"122873292","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
Performance enhancement of double linked backbone rings in interconnected token ring network 互联令牌环网络中双链骨干环的性能增强
[1990] Proceedings. 15th Conference on Local Computer Networks Pub Date : 1990-09-30 DOI: 10.1109/LCN.1990.128652
T. Chu, D. S. Ha
{"title":"Performance enhancement of double linked backbone rings in interconnected token ring network","authors":"T. Chu, D. S. Ha","doi":"10.1109/LCN.1990.128652","DOIUrl":"https://doi.org/10.1109/LCN.1990.128652","url":null,"abstract":"Experimental results show that the performance of the IEEE 802.2 and 802.5 protocols for a single token ring is severely degraded in an interconnected token ring network. Congestion at bridges in a network is the primary cause of the degradation of the performance. An approach is investigated in which a secondary transmission link is added to the backbone ring of a network to form a double-linked backbone ring network. The effective processing speed of bridges for this double-linked backbone ring network is double that of the original single-linked backbone ring network. The increased processing speed of the bridges enhances the performance of the network. Experimental results show that the proposed double-linked backbond ring network substantially enhances the utilization, throughput, and response time compared to the original network.<<ETX>>","PeriodicalId":122950,"journal":{"name":"[1990] Proceedings. 15th Conference on Local Computer Networks","volume":"13 6","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120807608","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
An evolutionary approach to the design of a metropolitan area network to support B-ISDN applications 为支持B-ISDN应用而设计城域网的一种演进方法
[1990] Proceedings. 15th Conference on Local Computer Networks Pub Date : 1990-09-30 DOI: 10.1109/LCN.1990.128690
R. Ramaswamy, Clifford V. Jr. Eslick
{"title":"An evolutionary approach to the design of a metropolitan area network to support B-ISDN applications","authors":"R. Ramaswamy, Clifford V. Jr. Eslick","doi":"10.1109/LCN.1990.128690","DOIUrl":"https://doi.org/10.1109/LCN.1990.128690","url":null,"abstract":"High-level technical information on issues concerning the evolutionary design of a metropolitan area network (MAN) is provided to support broadband integrated services digital network (BISDN). The focus is on methods of providing more aggregate bandwidth than the emerging IEEE Std. 802.6 for the distributed queueing dual bus (DQDB). The limited bandwidth problem associated with the DQDB proposal is solved by using a multihop multiconnected ring architecture with a cross point matrix. The interconnection graph can take any form to provide the concurrency needed.<<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":"121378981","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
A high performance OSI implementation on FDDI 一个基于FDDI的高性能OSI实现
[1990] Proceedings. 15th Conference on Local Computer Networks Pub Date : 1990-09-30 DOI: 10.1109/LCN.1990.128673
P. Gonia, M. Agrawal
{"title":"A high performance OSI implementation on FDDI","authors":"P. Gonia, M. Agrawal","doi":"10.1109/LCN.1990.128673","DOIUrl":"https://doi.org/10.1109/LCN.1990.128673","url":null,"abstract":"The design and implementation of a high-speed, fiber-optic-based communications system which implements the critical communications technologies required for the US space station freedom program is described. The system, termed the multi-compatible network interface unit (MCNIU), prototypes a standardized communications service between intelligent devices and subsystems in the space station data management system global network. A seven-layer OSI communications solution with an integrated applications interface was developed. The functionality includes a fiber distributed data interface (FDDI) LAN at the lower layers, OSI standard protocols for the upper layers, and an application interface providing transparent network services between heterogeneous computer systems. A major technical challenge was to provide the complex standard protocols while maintaining application-level throughput. A throughput of 9.4 Mb/s delivered from application to application using checksummed connection-oriented transport class 4 service was achieved.<<ETX>>","PeriodicalId":122950,"journal":{"name":"[1990] Proceedings. 15th Conference on Local Computer Networks","volume":"19 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":"117059221","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
Hidden transmission: a method to improve the performance of a token ring network 隐藏传输:一种提高令牌环网络性能的方法
[1990] Proceedings. 15th Conference on Local Computer Networks Pub Date : 1990-09-30 DOI: 10.1109/LCN.1990.128680
Jeff J. Zhu, R. Denton
{"title":"Hidden transmission: a method to improve the performance of a token ring network","authors":"Jeff J. Zhu, R. Denton","doi":"10.1109/LCN.1990.128680","DOIUrl":"https://doi.org/10.1109/LCN.1990.128680","url":null,"abstract":"The statistically available bandwidth in token ring networks is analyzed and a protocol called Hidden Transmission is proposed which will enable a token ring network to give better performance under all load conditions. The analysis shows that for every data packet transmitted, up to 0.7 extra packets can be transmitted in one rotation of the data packet. This unused bandwidth can be used to carry extra data. It is anticipated that an improvement of 50 to 70% in throughput can be achieved with the proposed protocol for a token ring network containing at least two nodes. The changes to current token passing protocols in order to add this feature are discussed.<<ETX>>","PeriodicalId":122950,"journal":{"name":"[1990] Proceedings. 15th Conference on Local Computer Networks","volume":"29 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":"127534381","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
UltraNet: an architecture for gigabit networking UltraNet:一种千兆网络架构
[1990] Proceedings. 15th Conference on Local Computer Networks Pub Date : 1990-09-30 DOI: 10.1109/LCN.1990.128665
B. Beach
{"title":"UltraNet: an architecture for gigabit networking","authors":"B. Beach","doi":"10.1109/LCN.1990.128665","DOIUrl":"https://doi.org/10.1109/LCN.1990.128665","url":null,"abstract":"UltraNet, a multigigabit/second integrated network, is designed to deliver the highest possible effective performance, which is defined to be the application-to-application transfer rate using a standard programming interface. It uses data links that operate up to 1 Gb/s and very high-speed bridges to connect them into a multigigabit seamless fabric. UltraNet is different from many local area networks in that it provides more than just a data link. It also provides a set of transport layer services, both connection-oriented and connectionless, at a very high transfer rate. An overview of the system architecture is presented and the performance of various UltraNet configurations, the rationale behind its design, and the current implementation are discussed.<<ETX>>","PeriodicalId":122950,"journal":{"name":"[1990] Proceedings. 15th Conference on Local Computer Networks","volume":"14 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":"121463900","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: 17
A method for dynamic bandwidth allocation in the FDDI II MAN FDDI II城域网中的一种动态带宽分配方法
[1990] Proceedings. 15th Conference on Local Computer Networks Pub Date : 1990-09-30 DOI: 10.1109/LCN.1990.128635
S. Casale, G. Zuccarello
{"title":"A method for dynamic bandwidth allocation in the FDDI II MAN","authors":"S. Casale, G. Zuccarello","doi":"10.1109/LCN.1990.128635","DOIUrl":"https://doi.org/10.1109/LCN.1990.128635","url":null,"abstract":"FDDI II, a proposed standard for metropolitan area networks (MANs) that defines a hybrid protocol providing a mode of operation whereby both FDDI token ring operation and isochronous data transfer are integrated onto the same medium, is considered. A modification is presented of the method of dynamic bandwidth allocation for the FDDI II protocol, and its advantages in terms of bandwidth and simplification of the architecture of nodes in the network are pointed out. In comparison with the standard FDDI II, there is a gain in bandwidth of about 500 kb/s, deriving from simplification of the allocation procedure. This gain can be considered significant if the bandwidth is made totally available for asynchronous services, excepting a small part which has to be used for signaling the modification proposed.<<ETX>>","PeriodicalId":122950,"journal":{"name":"[1990] Proceedings. 15th Conference on Local Computer Networks","volume":"36 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":"133350254","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
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