Showing papers in "Computer Communications in 1986"

TL;DR: A simulation model for studying the performance of this access method has been developed, and the results show that Segnet performs significantly better than CSMA/CD when the offered load to the network is high.

TL;DR: An approach to the basic principles governing the definition of a fast packet transfer technique, called asynchronous time-division (ATD) transfer mode, has been investigated and a first implementation, the Prelude trial network, is presented.

TL;DR: The paper considers the nature of electronic mail, with particular reference to the needs for privacy and integrity Methods of control of access to the mail system are discussed, followed by an analysis of the security measures available for protecting messages within the system.

TL;DR: The main facilities available in the present generation of computer based message services are described, and the integration of these systems into the office are discussed.

TL;DR: The elements of management of networks serving an organization are discussed, which include management responsibility for components may be hierachically structured or assumed centrally.

TL;DR: This methodology has been developed using the SADT technique, which has been shown to be an effective tool to describe the design phases and their functional relationships within complex and heterogeneous environments.

TL;DR: A detailed performance measurement study has been carried out to determine the network-server capability of a 3Com Ethernet network, which yields performance ratings from an independent source, which are much sought after by network consumers.

TL;DR: A polling model with limited service, in the model, messages arrive at buffers at a Poisson rate and are removed from the buffers by a single server, which moves cyclically among the buffers.

TL;DR: A multitasking executive usually forms the kernel or nucleus of most real-time systems, and can be used to construct powerful systems with elaborate device drivers, handling for example backing-store, or high-speed communications links.

TL;DR: The design and implementation of a performance monitor of an operational LAN, Monet, the local area network of Monash University (Monet-PM), and the software has a monitoring and data analysis system.

TL;DR: The support for OSI which is offered by the Department of Trade and Industry is outlined: intercept strategy, support to standard making, implementors groups on OSI standards, conformance testing, opportunity studies, demonstrator projects.

TL;DR: Development of electronic mail will need to be propelled by widespread availability, which in turn depends on the continuing work of international standardization and on the full support from telecommunications administrations, and equipment and service suppliers worldwide.

TL;DR: The design and implementation of integrated data/voice stations for a LAN environment based on the DB16000 Development Board using a 16-bit CPU and continuously variable slope delta modulation is selected as the voice encoding technique.

TL;DR: The Transport layer provides a reliable, in-sequence, connection-oriented service to the Session layer, which performs a set of functions, such as error recovery, flow control, duplicate detection, sequencing, etc.

TL;DR: The X.400 Message Handling Systems standard was designed to transfer messages from one person to another, but does not provide for service distribution lists, that is distribution lists that are available for use by more than one person.

TL;DR: The design and implementation of the layered architecture of AALAN and its relationship with the existing protocols, such as the transmission control/internet protocols (TCP/IP) and the Xerox Network System (XNS) are described.

TL;DR: The problem of planning the introduction of multiple digital switching systems with remote concentrator options into a local telephone network essentially consists in finding an optimal network evolution strategy.

TL;DR: Both analysis and simulation indicate that the proposed hybrid schemes are stable and adapt dynamically between a pure slotted Aloha mode for low traffic and TDMA for high traffic.

TL;DR: A conjecture on the global validity of an optimal sharing strategy is made, and an optimization procedure is developed based on multidimensional pattern search that obtains optimal parameters in a capacity sharing system.

TL;DR: The need for standards is discussed and the recently ratified CCITT X.400 Series Recommendations for message handling systems (MHS) are described, which describe the interrelationship and emphasis of the various international standards organizations actively participating in the formulation of these messaging standards.

TL;DR: Open system interconnection protocols have been adopted by the UK's academic community to enable communication via a wide area network connecting universities and research centres to be discussed.

TL;DR: Two possible architectural reference models are described for a network based on the fast packet switching concept, known as an asynchronous time division network, which provides a complete integration at all levels of signalling and data information.

TL;DR: An outline is given of the information services used in the National Computing Centre and three IT landmarks are highlighted, these include the introduction of word processing, the local area network and a digital PABX.

TL;DR: The integration of voice and data on an experimental local area network used by the School of Automation, of the Indian Institute of Science is concerned.

TL;DR: This monograph is a little deficient on references, such as the two mentioned below, and the author refers to several papers of dubious accuracy without warning the reader of potential pitfalls.

TL;DR: A layer model for communications software has been designed which enables user-friendly frontends to be provided for users of varying experience in relation to a man-machine interface and interaction (MMI).

TL;DR: New architectures for integrated service networks are presented which have the aim of developing document management software, allowing the manipulation of visual and voice information, and tree network architectures for reliable and efficient exchange of multimedia information.