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Conception of a multimedia electronic mail based on standards 基于标准的多媒体电子邮件的概念
1993 4th Workshop on Future Trends of Distributed Computing Systems Pub Date : 1993-09-22 DOI: 10.1109/FTDCS.1993.344181
V. Gay, B. Kervella, E. Horlait
{"title":"Conception of a multimedia electronic mail based on standards","authors":"V. Gay, B. Kervella, E. Horlait","doi":"10.1109/FTDCS.1993.344181","DOIUrl":"https://doi.org/10.1109/FTDCS.1993.344181","url":null,"abstract":"The authors study multimedia electronic mail together with the issues of concern surrounding it and give an overview of a user-friendly multimedia electronic mail. Based on this study, the authors present a multimedia electronic system that allows the originator to write a scenario to coordinate the parts it sends and to adapt the message restitution to the receiver messaging system.<<ETX>>","PeriodicalId":251095,"journal":{"name":"1993 4th Workshop on Future Trends of Distributed Computing Systems","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134450554","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
Efficient group communication with guaranteed quality of service 高效的团队沟通，保证服务质量
1993 4th Workshop on Future Trends of Distributed Computing Systems Pub Date : 1993-09-22 DOI: 10.1109/FTDCS.1993.344163
C. Szyperski, G. Ventre
{"title":"Efficient group communication with guaranteed quality of service","authors":"C. Szyperski, G. Ventre","doi":"10.1109/FTDCS.1993.344163","DOIUrl":"https://doi.org/10.1109/FTDCS.1993.344163","url":null,"abstract":"A specific class of multimedia applications is expected to be of importance for future communication networks: multi-party interactive multimedia (MIM). Based on the isolation and characterization of MIM applications, concrete network support requirements are derived. The varying degree of connectivity, the vastly different sizes in terms of participants and the reliance on a guaranteed quality of service make MIM support a difficult problem. Starting with the definition of multimedia communication abstractions, principles of solutions are sketched. For an important subclass of applications, a particularly efficient and practicable alternative implementation based on half-duplex channels is introduced. Interfaces at both the transport and network layers are also considered.<<ETX>>","PeriodicalId":251095,"journal":{"name":"1993 4th Workshop on Future Trends of Distributed Computing Systems","volume":"142 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115376793","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
OPERA: storage, programming and display of multimedia objects OPERA:多媒体对象的存储、编程和显示
1993 4th Workshop on Future Trends of Distributed Computing Systems Pub Date : 1993-09-22 DOI: 10.1109/FTDCS.1993.344215
K. Moody, J. Bacon, J. Bates, S. Lo, Z. Wu
{"title":"OPERA: storage, programming and display of multimedia objects","authors":"K. Moody, J. Bacon, J. Bates, S. Lo, Z. Wu","doi":"10.1109/FTDCS.1993.344215","DOIUrl":"https://doi.org/10.1109/FTDCS.1993.344215","url":null,"abstract":"The OPERA project seeks to support the interactive display of synchronized multiple types of media on workstations. This style of application needs high speed ATM (asynchronous transfer mode) networks and suitable protocols and operating systems, which exist at the University of Cambridge computer laboratory. Above this infrastructure, the authors have designed and are building a multiple-service storage architecture (MSSA), a platform to support the creation and interactive display of multimedia presentations (IMP), and a persistent programming language (PC++), for reliable and convenient programming of multimedia applications. The authors give an overview of the work of the OPERA project.<<ETX>>","PeriodicalId":251095,"journal":{"name":"1993 4th Workshop on Future Trends of Distributed Computing Systems","volume":"71 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115693068","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
A fail-safe architecture of service control and management system for intelligent networks 智能网络业务控制与管理系统的故障安全架构
1993 4th Workshop on Future Trends of Distributed Computing Systems Pub Date : 1993-09-22 DOI: 10.1109/FTDCS.1993.344174
S. Kwon, K. Park, K. Lee, J. Hong
{"title":"A fail-safe architecture of service control and management system for intelligent networks","authors":"S. Kwon, K. Park, K. Lee, J. Hong","doi":"10.1109/FTDCS.1993.344174","DOIUrl":"https://doi.org/10.1109/FTDCS.1993.344174","url":null,"abstract":"The authors propose a fail-safe architecture of a network information control system (NICS) and fault handling mechanisms for highly available NICSs. The NICS consists of seven processors, including duplicated common channel signaling processors (CCPS), duplicated service logic processors (SLPs), a service management processor (SMP), duplicated operations and administrations processors (OAPs), and duplicated LANs. As NICS has a fail-safe architecture and is managed with fault-handling mechanisms, it can process service requests from the switching service point (SSP) continuously and NICS can be managed safely and efficiently.<<ETX>>","PeriodicalId":251095,"journal":{"name":"1993 4th Workshop on Future Trends of Distributed Computing Systems","volume":"270 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123056834","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
The BERKOM multimedia-mail teleservice BERKOM多媒体邮件远程服务
1993 4th Workshop on Future Trends of Distributed Computing Systems Pub Date : 1993-09-22 DOI: 10.1109/FTDCS.1993.344180
E. Moeller, Sanjay Manandhar, L. Neumann, J. Rückert, Gerd Schürmann, S. Thomas, Frieder Wolf
{"title":"The BERKOM multimedia-mail teleservice","authors":"E. Moeller, Sanjay Manandhar, L. Neumann, J. Rückert, Gerd Schürmann, S. Thomas, Frieder Wolf","doi":"10.1109/FTDCS.1993.344180","DOIUrl":"https://doi.org/10.1109/FTDCS.1993.344180","url":null,"abstract":"A multimedia-mail teleservice based on CCITT Recommendation X.400 is under development within the BERKOM Project funded by the German PTT. An additional exchange mechanism complements the electronic mail's inherent store-and-forward mechanism in order to allow the resolution of references to message content, which may be placed within a message rather than the content itself. The traditional text exchange is being enriched by supporting multimedia information in the form of standardized text, still and moving images, audio, and documents. Possible future developments are discussed.<<ETX>>","PeriodicalId":251095,"journal":{"name":"1993 4th Workshop on Future Trends of Distributed Computing Systems","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122123815","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: 27
An efficient circuit-switching mechanism for interprocess communication in a transputer network 在计算机网络中用于进程间通信的一种有效的电路交换机制
1993 4th Workshop on Future Trends of Distributed Computing Systems Pub Date : 1993-09-22 DOI: 10.1109/FTDCS.1993.344154
M. Tayli, M. Benmaiza
{"title":"An efficient circuit-switching mechanism for interprocess communication in a transputer network","authors":"M. Tayli, M. Benmaiza","doi":"10.1109/FTDCS.1993.344154","DOIUrl":"https://doi.org/10.1109/FTDCS.1993.344154","url":null,"abstract":"Distributed real time system require interprocess communication (IPC) services to be not only reliable and efficient but also predictable. In such dynamic systems, predictability can only be achieved by proper architectural support that embodies adequate mechanisms and policies within the operating system. The authors present the design and implementation of predictable transport level communication services supported by the kernel of a real time distributed operating system (RTDOS). RTDOS IPC services are built on a hybrid platform, involving both message- and circuit-switching. Experimental results showed that RTDOS IPC was able to deliver millisecond-level connection times, guaranteed within the prescribed limits of system configuration.<<ETX>>","PeriodicalId":251095,"journal":{"name":"1993 4th Workshop on Future Trends of Distributed Computing Systems","volume":"8 Pt 6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126273033","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
An algorithm and architecture to support cooperative multimedia editing 一种支持协同多媒体编辑的算法和体系结构
1993 4th Workshop on Future Trends of Distributed Computing Systems Pub Date : 1993-09-22 DOI: 10.1109/FTDCS.1993.344183
A. Santos, A. Marcos
{"title":"An algorithm and architecture to support cooperative multimedia editing","authors":"A. Santos, A. Marcos","doi":"10.1109/FTDCS.1993.344183","DOIUrl":"https://doi.org/10.1109/FTDCS.1993.344183","url":null,"abstract":"Groupware systems have been made possible by developing algorithms and architectures which support collaborative tasks. The main rules of these algorithms are to maintain a global coherence state of the cooperative system and to control the information flow amongst the co-users. By architecture the authors mean the way the cooperative system is organized in order to enable the cooperative algorithm to work. The distribution of the physical processes and files over the different machines where the co-authors are located, as well as the way the communication is enabled, is discussed.<<ETX>>","PeriodicalId":251095,"journal":{"name":"1993 4th Workshop on Future Trends of Distributed Computing Systems","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125013341","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
Cooperative access to relational and object-oriented federated databases 对关系和面向对象的联邦数据库的协作访问
1993 4th Workshop on Future Trends of Distributed Computing Systems Pub Date : 1993-09-22 DOI: 10.1109/FTDCS.1993.344153
J. Lerm, J. de Oliveira
{"title":"Cooperative access to relational and object-oriented federated databases","authors":"J. Lerm, J. de Oliveira","doi":"10.1109/FTDCS.1993.344153","DOIUrl":"https://doi.org/10.1109/FTDCS.1993.344153","url":null,"abstract":"Much work has been done in the field of heterogeneous federated database systems (FDBSs), but almost all this work deals with relational systems or, eventually, with the integration of hierarchical and network models and the relational model. The authors present a prototype that allows access to relational (INGRES) and object-oriented (O2) database systems composing a federation. They assume that all databases store equivalent information. Users are allowed to specify queries over one of the component databases and the prototype retrieves equivalent information from the other database using a set of mapping rules. These rules define equivalences between the schemas' structures of INGRES and O2. The prototype has been implemented in Prolog and C in a network of Sun workstations.<<ETX>>","PeriodicalId":251095,"journal":{"name":"1993 4th Workshop on Future Trends of Distributed Computing Systems","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127961866","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 taxonomy on multimedia synchronization 多媒体同步的分类法
1993 4th Workshop on Future Trends of Distributed Computing Systems Pub Date : 1993-09-22 DOI: 10.1109/FTDCS.1993.344170
T. Meyer, W. Effelsberg, R. Steinmetz
{"title":"A taxonomy on multimedia synchronization","authors":"T. Meyer, W. Effelsberg, R. Steinmetz","doi":"10.1109/FTDCS.1993.344170","DOIUrl":"https://doi.org/10.1109/FTDCS.1993.344170","url":null,"abstract":"Multimedia systems allow the integration of data streams of different types, including continuous media (audio and video) and discrete media (text, data, still images). The information contained in these data streams is often interrelated, and multimedia systems must guarantee to maintain such relationships as the streams are stored, transmitted, and presented to the user. This is usually called multimedia synchronization. Unfortunately, different authors use the term with different and often confusing meanings. The authors propose a taxonomy of multimedia synchronization, introducing three layers of abstraction: a media layer dealing with inter-stream synchronization, a stream layer specifying inter-stream synchronization, and an object layer defining the relationships between multimedia objects in the style of an authoring language. An example illustrates the taxonomy throughout this work.<<ETX>>","PeriodicalId":251095,"journal":{"name":"1993 4th Workshop on Future Trends of Distributed Computing Systems","volume":"95 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130529107","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: 24
A proposal for a metropolitan area network with priority for the synchronous traffic 一种具有同步业务优先级的城域网方案
1993 4th Workshop on Future Trends of Distributed Computing Systems Pub Date : 1993-09-22 DOI: 10.1109/FTDCS.1993.344216
S. Motoyama, M. Arantes, I. S. Bonatti
{"title":"A proposal for a metropolitan area network with priority for the synchronous traffic","authors":"S. Motoyama, M. Arantes, I. S. Bonatti","doi":"10.1109/FTDCS.1993.344216","DOIUrl":"https://doi.org/10.1109/FTDCS.1993.344216","url":null,"abstract":"An alternative metropolitan area network (MAN) is proposed. Unlike the current MAN standardization, such as FDDI (fiber distributed data interface) or DQDB (distributed queueing dual bus), the proposed network gives priority to the synchronous traffic (voice) and uses a distributed digital switching technique. The objective of this kind of network is to reduce the initial investment cost of a telephone local network that has customers spread over a large area. The network is flexible enough to be compatible with emerging B-ISDN, according to the international trend. The proposed network configuration and the access control protocol are discussed here. The mathematical modeling and the performance analysis of the network are also presented.<<ETX>>","PeriodicalId":251095,"journal":{"name":"1993 4th Workshop on Future Trends of Distributed Computing Systems","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128465353","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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