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Digest of Papers. COMPCON'95. Technologies for the Information Superhighway最新文献

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Buffering and caching in large-scale video servers 大规模视频服务器中的缓冲和缓存
Digest of Papers. COMPCON'95. Technologies for the Information Superhighway Pub Date : 1995-03-05 DOI: 10.1109/CMPCON.1995.512389
A. Dan, D. Dias, R. Mukherjee, D. Sitaram, Renu Tewari
{"title":"Buffering and caching in large-scale video servers","authors":"A. Dan, D. Dias, R. Mukherjee, D. Sitaram, Renu Tewari","doi":"10.1109/CMPCON.1995.512389","DOIUrl":"https://doi.org/10.1109/CMPCON.1995.512389","url":null,"abstract":"Video-on-demand servers are characterized by stringent real-time constraints, as each stream requires isochronous data playout. The capacity of the system depends on the acceptable jitter per stream (the number of data blocks that do not meet their real-time constraints). Per-stream read-ahead buffering avoids the disruption in playback caused by variations in disk access time and queuing delays. With heavily skewed access patterns to the stored video data, the system is often disk arm-bound. In such cases, serving video streams from a memory cache can result in a substantial reduction in server cost. In this paper, we study the cost-performance trade-offs of various buffering and caching strategies that can be used in a large-scale video server. We first study the cost impact of varying the buffer size, disk utilization and the disk characteristics on the overall capacity of the system. Subsequently, we study the cost-effectiveness of a technique for memory caching across streams that exploits temporal locality and workload fluctuations.","PeriodicalId":415918,"journal":{"name":"Digest of Papers. COMPCON'95. Technologies for the Information Superhighway","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126120880","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: 157
Wavelength division multiplexing in local area networks 局域网络中的波分复用
Digest of Papers. COMPCON'95. Technologies for the Information Superhighway Pub Date : 1995-03-05 DOI: 10.1109/CMPCON.1995.512363
L. Kazovsky
{"title":"Wavelength division multiplexing in local area networks","authors":"L. Kazovsky","doi":"10.1109/CMPCON.1995.512363","DOIUrl":"https://doi.org/10.1109/CMPCON.1995.512363","url":null,"abstract":"Summary form only given, as follows. Transmitting and processing large blocks of data in real time will require broad-bandwidth networks. Next generation networks must also provide fault tolerance, flexibility, and scalability. Furthermore, future networks must avoid packet contention and minimize packet latency required by user applications such as image and voice transmission. To meet the foregoing new challenges, WDM networks are under intense investigation. These multi-channel networks can potentially achieve higher throughputs, lower delays and greater reliability than single channel optical networks. Two experimental high-speed WDM networks, STARNET and CORD, are being developed at Stanford University. Both networking experiments deal with the issues of signaling, contention resolution, synchronization and computer interfacing. In this talk, both projects will be described.","PeriodicalId":415918,"journal":{"name":"Digest of Papers. COMPCON'95. Technologies for the Information Superhighway","volume":"88 ","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"113990652","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
Corporate education directions 1995-2000 planning horizon 企业教育方向1995-2000年规划远景
Digest of Papers. COMPCON'95. Technologies for the Information Superhighway Pub Date : 1995-03-05 DOI: 10.1109/CMPCON.1995.512365
Thomas G. Wilkins
{"title":"Corporate education directions 1995-2000 planning horizon","authors":"Thomas G. Wilkins","doi":"10.1109/CMPCON.1995.512365","DOIUrl":"https://doi.org/10.1109/CMPCON.1995.512365","url":null,"abstract":"This paper examines considerations in matching multimedia corporate communications with enterprise communication objectives and emerging broadband information infrastructure capabilities. Applications are for corporate communications, distance learning, just-in-time information and interactive communications.","PeriodicalId":415918,"journal":{"name":"Digest of Papers. COMPCON'95. Technologies for the Information Superhighway","volume":"144 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122683853","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
Algorithms for software and low-cost hardware RAIDs 软件算法和低成本硬件raid
Digest of Papers. COMPCON'95. Technologies for the Information Superhighway Pub Date : 1995-03-05 DOI: 10.1109/CMPCON.1995.512417
J. Menon, J. Riegel, J. Wyllie
{"title":"Algorithms for software and low-cost hardware RAIDs","authors":"J. Menon, J. Riegel, J. Wyllie","doi":"10.1109/CMPCON.1995.512417","DOIUrl":"https://doi.org/10.1109/CMPCON.1995.512417","url":null,"abstract":"RAIDs implemented in disk controllers are called hardware RAIDs. A software RAID, on the other hand, is implemented purely in software running on a host computer. In this paper, we describe algorithms that can be used by software RAIDs. We present one algorithm (parallel algorithm) for achieving fastest possible RAID update response time; we present one algorithm (PGS bit map algorithm) for improved recovery times; we present one algorithm for improved update concurrency; and we present four algorithms (Parity Caching, Delta Parity Caching, Delta Parity and Partial Parity Caching, and Data Prefetching) for improved sequential performance. Many of our algorithms are also appropriate for low-cost hardware RAIDs.","PeriodicalId":415918,"journal":{"name":"Digest of Papers. COMPCON'95. Technologies for the Information Superhighway","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133224276","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
Payment switches for open networks 开放网络的支付开关
Digest of Papers. COMPCON'95. Technologies for the Information Superhighway Pub Date : 1995-03-05 DOI: 10.1109/CMPCON.1995.512359
D. Gifford, L. Stewart, A. C. Payne, G. Treese
{"title":"Payment switches for open networks","authors":"D. Gifford, L. Stewart, A. C. Payne, G. Treese","doi":"10.1109/CMPCON.1995.512359","DOIUrl":"https://doi.org/10.1109/CMPCON.1995.512359","url":null,"abstract":"We describe the first operational Internet payment switch that provides real-time authorization suitable for direct use by merchant servers. A payment switch is a server that creates digital representations of conventional financial instruments and forwards authentic payment orders on these instruments to their corresponding conventional financial networks and institutions. Our payment switch provides support for time-based and item-based pricing, implements switch based authorization and settlement aggregation for micro-payments, and includes an extensive customer support system in order to provide a high level of customer confidence in electronic commerce. Fraud control is based on a transaction-specific multi-level security model that accommodates existing Internet browsers. Multiple authentication technologies are applied to every transaction.","PeriodicalId":415918,"journal":{"name":"Digest of Papers. COMPCON'95. Technologies for the Information Superhighway","volume":"150 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134408753","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: 26
Oracle media server framework Oracle媒体服务器框架
Digest of Papers. COMPCON'95. Technologies for the Information Superhighway Pub Date : 1995-03-05 DOI: 10.1109/CMPCON.1995.512387
A. Laursen, J. Olkin, Mark Porter
{"title":"Oracle media server framework","authors":"A. Laursen, J. Olkin, Mark Porter","doi":"10.1109/CMPCON.1995.512387","DOIUrl":"https://doi.org/10.1109/CMPCON.1995.512387","url":null,"abstract":"The oracle media server framework provides distributed object-oriented access to new media data and services over a wide range of client-server networks. This framework is built on the oracle media server which has complete support for all new media data types, including audio, video, images, and text; as well as the more conventional relational data types. Oracle media net provides a network independent substrate on which a lightweight object request broker is built.","PeriodicalId":415918,"journal":{"name":"Digest of Papers. COMPCON'95. Technologies for the Information Superhighway","volume":"118 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134106203","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
The Berkeley Networks of Workstations (NOW) Project 伯克利工作站网络(NOW)项目
Digest of Papers. COMPCON'95. Technologies for the Information Superhighway Pub Date : 1995-03-05 DOI: 10.1109/CMPCON.1995.512403
T. Anderson, D. Culler, D. Patterson
{"title":"The Berkeley Networks of Workstations (NOW) Project","authors":"T. Anderson, D. Culler, D. Patterson","doi":"10.1109/CMPCON.1995.512403","DOIUrl":"https://doi.org/10.1109/CMPCON.1995.512403","url":null,"abstract":"The paper describes the Berkeley Network of Workstations (NOW) Project. This project leverages the high bandwidth, switch based local area networks with a custom low latency network interface and global layer operating system; this makes a building full of desktop computers act as a single large computer: \"the building is the computer\".","PeriodicalId":415918,"journal":{"name":"Digest of Papers. COMPCON'95. Technologies for the Information Superhighway","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131495738","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: 18
Using the World Wide Web to provide a platform independent interface to high performance computing 利用万维网为高性能计算提供了独立于平台的接口
Digest of Papers. COMPCON'95. Technologies for the Information Superhighway Pub Date : 1995-03-05 DOI: 10.1109/CMPCON.1995.512355
D. Robertson, W. Johnston
{"title":"Using the World Wide Web to provide a platform independent interface to high performance computing","authors":"D. Robertson, W. Johnston","doi":"10.1109/CMPCON.1995.512355","DOIUrl":"https://doi.org/10.1109/CMPCON.1995.512355","url":null,"abstract":"We have developed a set of techniques for providing interactive 3D graphics via the World Wide Web (WWW) as part of the \" Whole Frog\" project. The success of this project indicates that the Web and its associated browsers can serve as an easily used and powerful front end to high-performance computing resources. We utilize the Common Gateway Interface capability of WWW servers to provide an interactive 3D visualization front end through Web clients. These techniques have been used to make a \"Virtual Frog Dissection Kit\", available as http://www-itg.lbl.gov/vfrog. A student using this Kit has the ability to view various parts of a frog from many different angles, and with the different anatomical structures visible or invisible.","PeriodicalId":415918,"journal":{"name":"Digest of Papers. COMPCON'95. Technologies for the Information Superhighway","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116312410","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
Two wavelength division multiplexing WAN trials 两次波分复用广域网试验
Digest of Papers. COMPCON'95. Technologies for the Information Superhighway Pub Date : 1995-03-05 DOI: 10.1109/CMPCON.1995.512362
W. Lennon, R. L. Thombley
{"title":"Two wavelength division multiplexing WAN trials","authors":"W. Lennon, R. L. Thombley","doi":"10.1109/CMPCON.1995.512362","DOIUrl":"https://doi.org/10.1109/CMPCON.1995.512362","url":null,"abstract":"Lawrence Livermore National Laboratory, as a super-user, supercomputer, and super-application site, is anticipating the future bandwidth and protocol requirements necessary to connect to other such sites as well as to connect to remote-sited control centers and experiments. In this paper we discuss our vision of the future of Wide Area Networking, describe the plans for a wavelength division multiplexed link connecting Livermore with the University of California at Berkeley and describe plans for a transparent, /spl ap/=10 Gb/s ring around San Francisco Bay.","PeriodicalId":415918,"journal":{"name":"Digest of Papers. COMPCON'95. Technologies for the Information Superhighway","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114840617","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
Developing Windows NT applications for PowerPC microprocessor based systems 为基于PowerPC微处理器的系统开发Windows NT应用程序
Digest of Papers. COMPCON'95. Technologies for the Information Superhighway Pub Date : 1995-03-05 DOI: 10.1109/CMPCON.1995.512402
Howard C. Thamm
{"title":"Developing Windows NT applications for PowerPC microprocessor based systems","authors":"Howard C. Thamm","doi":"10.1109/CMPCON.1995.512402","DOIUrl":"https://doi.org/10.1109/CMPCON.1995.512402","url":null,"abstract":"IBM, Microsoft, and Motorola collaborated to port the Microsoft Windows NT operating system to the PowerPC microprocessor architecture. Combining Windows NT with the PowerPC architecture introduces high performance, low cost reduced instruction set computing (RISC) to the personal computer desktop. Developing Windows applications can be a confusing process for developers unfamiliar with the Microsoft Windows family of operating systems. This confusion is intensified when developers consider running their Windows NT application on multiple hardware architectures. Several major factors must be considered when developing for Windows NT, including which software development tools to use, which applications are compatible across the multiple platforms, which application programming interface to use, and which features are available on each platform. The paper identifies some of the issues involved in porting existing Windows applications as well as developing new applications to take advantage of the Windows NT/PowerPC microprocessor combination.","PeriodicalId":415918,"journal":{"name":"Digest of Papers. COMPCON'95. Technologies for the Information Superhighway","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131752345","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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