D. C. Schmidt, D. F. Box, and T. Suda, "ADAPTIVE: A Flexible and Adaptive Transport System Architecture to Support Lightweight Protocols for Multimedia Applications on High-Speed Networks," Proc. Symp. High Perf. Dist. Comp., Syracuse, NY, Sept. 1992, pp. 174--86.  Home/Search   Document Details and Download   Summary   Related Articles   Check

....under the topics of flexible protocol stacks, adaptive protocol stacks, universal asynchronous protocol interfaces, object oriented transport components, configurable protocol stacks, and so on [6 9] all address the issue of programmable transport, but do not consider issues of QoS. Reference [10, 11] addresses both QoS and programmability issues; 12] presents the x kernel, an operating system environment that provides an explicit architecture for constructing and composing network protocols. Reference [13] also provides a taxonomy of key transport system services and illustrates the concepts ....

....structure from a base protocol class. The protocol structure defines methods for binding higher and lower layer protocols. The protocol stack is constructed dynamically at runtime by a special service class that allocates, initializes, and interconnects the various protocol elements. In [10] an adaptive transport system that can be dynamically configured to meet application needs is presented. The system allows negotiation of policies and transport mechanisms with remote hosts and intermediate service nodes to determine the protocol stack configuration that would meet the QoS ....

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D. C. Schmidt, D. F. Box, and T. Suda, "ADAPTIVE: A Flexible and Adaptive Transport System Architecture to Support Lightweight Protocols for Multimedia Applications on High-Speed Networks," Proc. Symp. High Perf. Dist. Comp., Syracuse, NY, Sept. 1992, pp. 174--86.

....may also change during a session. For example, the computer may be moved from a wired network segment to a wireless network segment. Consequently, the services required from the communication subsystem will change. A number of projects have investigated the development of adaptive protocols [13,16,18]. These projects have shown the advantages of adaptive communication systems, but have used specialized hardware or run time environments. In this paper we present method of generating application specific protocols which can be dynamically re configured which can be used in general purpose ....

....to modify currently available services. From these experiments, clearly demonstrate the benefits of using PNUT and tailored communication protocols. 6. Related Work Over the last few years there have been a number of research projects that have investigated the development of adaptive protocols [13, 16, 18]. However, the work presented in this paper differs from this earlier work in a number of ways. Firstly, PNUT does not require specialist hardware or software system, this enabling it to be deployed in existing systems. Secondly, the PNUT implementation architecture makes it possible to be used ....

Schmidt, D., Box, D., Suda, T., ADAPTIVE: A flexible and adaptive transport system architecture to support lightweight protocols for multimedia applications on high speed networks, in Proceedings of the Symposium on High Performance Distributed Computing Conference, Amsterdam, Sept.1992.

....requires greater bandwidth. Another networked application is control systems and manufacturing which requires strict real time delays and guaranteed delivery from the communication system. Networked remote procedure calls need low latency delays, and will tend to generate short bursts of traffic [74]. 1.4 Consequences for Current Protocols 13 aps mickey antony rossi This text is being edited simultaneously by the two parties involved in this conference. White Board When editing, the users are concentrating on this window, and thus the quality of service required by the video window ....

....as the current network load and the end system resources. Further, unless specified, this approach will not allow the protocol to support adaptation. The second approach (which is the main topic of this thesis) is to develop a generic framework that allows a protocol to be synthesised at run time [72, 74]. The use, or non use, of the specific protocol functions is decided during the data transfer. Both the protocol compilation approach and the synthesised protocol approach require a mapping from the application s requirements into the available protocol functions. In order to achieve this the ....

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D. C. Schmidt, D. F. Box, and T. Suda, "ADAPTIVE: A flexible and adaptive transport system architecture to support lightweight protocols for multimedia applications on high-speed networks," in Proceedings of the Symposium on High Performance Distributed Computing, September, 1992.

....protocols. The general idea of using partial evaluation to gain better I O performance in systems has been used elsewhere as well [16] In particular, the notion of specializing a transport protocol to the needs of a particular application has been the motivation behind many recent system designs [12, 23, 27]. 1.2 Alternative Protocol Structures The discussion above argues for alternatives to monolithic protocol implementations since they are deficient in at least two ways. First, having all protocol variants executing in a single address space (especially if it is in kernel) complicates code ....

Douglas C. Schmidt, Donald F. Box, and Tatsuya Suda. ADAPTIVE: A flexible and adaptive transport system architecture to support lightweight protocols for multimedia applications on high-speed networks. In Proceedings of the Symposium on High Performance Distributed Computing, pages 174--186, Syracuse, New York, September 1992. IEEE.

....networks has involved new adaptive transport protocols. In contrast to existing monolithic transport protocols such as TCP and OSI TP4 which offer a best effort QoS, adaptive transport protocols aim to dynamically configure lightweight protocols that guarantee QoS for particular traffic classes [13]. In a multimedia environment though, it is not enough for the transport service to provide the required functionality to support an appropriate guarantee of QoS. Underlying communication protocols specifically the MAC and network layer must also provide the functionality to support a required ....

D. C. Schmidt, D. F. Box, and T. Suda. ADAPTIVE A Flexible and Adaptive Transport System Architecture to Support Lightweight Protocols for Multimedia Applications on High-Speed Networks. In First International Symposium on High-Performance Distributed Computing. IEEE, Sept. 1992.

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D. C. Schmidt, D. F. Box, and T. Suda, "ADAPTIVE: A Flexible and Adaptive Transport System Architecture to Support Lightweight Protocols for Multimedia Applications on HighSpeed Networks," in Proceedings of the 1 st Symposium on High-Performance Distributed Computing (HPDC-1), (Syracuse, New York), pp. 174--186, IEEE, September 1992.

No context found.

D. C. Schmidt, D. F. Box, and T. Suda, "ADAPTIVE: A Flexible and Adaptive Transport System Architecture to Support Lightweight Protocols for Multimedia Applications on HighSpeed Networks," in Proceedings of the 1 st Symposium on High-Performance Distributed Computing (HPDC-1), (Syracuse, New York), pp. 174--186, IEEE, September 1992.

....which encapsulates the local and remote IPC mechanisms available in the BSD socket and System V TLI APIs. IPC SAP is currently being used in the ADAPTIVE system, which is a flexible development and evaluation environment for producing customized lightweight transportlayer communication protocols [1]. 2 Systems Programming and IPC Systems software programs (such as databases, windowing systems, network file servers, compilers, linkers, editors, and device drivers) typically access and manipulate operating system resources such as I O controllers and information located in data structures ....

D. C. Schmidt, D. F. Box, and T. Suda, "ADAPTIVE: A Flexible and Adaptive Transport System Architecture to Support Lightweight Protocols for Multimedia Applications on HighSpeed Networks," in Proceedings of the 1 st Symposium on High-Performance Distributed Computing (HPDC-1), (Syracuse, New York), pp. 174--186, IEEE, September 1992.

....support multimedia applications and (2) mapping this functionalityonto efficient parallel process architectures. 1 Introduction This paper describes a flexible environment called the ADAPTIVE system, A Dynamically Assembled Protocol Transformation, Integration, and eValuation Environment [1, 2]. ADAPTIVE provides an integrated set of tools for developing and experimenting with flexible transport system 2 architec 1 This material is based upon work supported by the National Science Foundation under Grant No. NCR 8907909. This research is also supported in part by the University of ....

D. C. Schmidt, D. F. Box, and T. Suda, "ADAPTIVE: A Flexible and Adaptive Transport System Architecture to Support Lightweight Protocols for Multimedia Applications on HighSpeed Networks," in Proceedings of the 1 st Symposium on High-Performance Distributed Computing (HPDC-1), (Syracuse, New York), pp. 174--186, IEEE, September 1992.

....penalty from interruptdriven processing due to the amount of context a processor must save across interrupts, cache invalidation and pipeline flushing) The ADAPTIVE System: ADAPTIVE is A Dynamically Assembled Protocol Transformation, Intergration, and Validation Environment. The ADAPTIVE system [10] has been designed to address the diversity described above by providing: 1) a flexible and adaptive kernel of protocol mechanisms that provide a framework for protocol composition, 2) a unified scheme for specifying both the policies and the mechanisms that are used to provide communication ....

D. C. Schmidt, D. F. Box, and T. Suda, "ADAPTIVE: A Flexible and Adaptive Transport System Architecture to Support Lightweight Protocols for Multimedia Applications on HighSpeed Networks," in Proceedings of the 1 st Symposium on High-Performance Distributed Computing (HPDC-1), (Syracuse, New York), pp. 174--186, IEEE, September 1992.

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