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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Overlay auxiliary routing: achieving near minimum delay routing solutions for overlay networks.

January 2004 (has links)
Zhang Li. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2004. / Includes bibliographical references (leaves 71-74). / Abstracts in English and Chinese. / Abstract --- p.ii / 摘要 --- p.iv / Acknowledgments --- p.v / Contents --- p.vi / Chapter Chapter 1 --- Introduction --- p.1 / Chapter Chapter 2 --- Internet Routing and Performance Studies --- p.5 / Chapter 2.1 --- Border Gateway Protocol Version 4 (BGP4) --- p.5 / Chapter 2.2 --- Internet Performance Studies --- p.6 / Chapter 2.3 --- Improve Routing Performance --- p.8 / Chapter 2.3.1 --- Traffic Engineering --- p.8 / Chapter 2.3.2 --- Network-layer Techniques --- p.9 / Chapter 2.3.3 --- Minimum Delay Routing --- p.11 / Chapter Chapter 3 --- Overlay-based Techniques --- p.15 / Chapter 3.1 --- Content Distribution Network --- p.16 / Chapter 3.2 --- Relative Overlay Techniques --- p.16 / Chapter Chapter 4 --- Overlay Minimum Delay Routing --- p.19 / Chapter 4.1 --- Minimum Delay Routing in Overlay Network --- p.21 / Chapter 4.1.1 --- Problem Formulation --- p.21 / Chapter 4.1.2 --- Necessary and Sufficient Conditions for Distributed Computing --- p.25 / Chapter 4.1.3 --- Optimal Overlay Auxiliary Routing (00AR) Algorithm --- p.29 / Chapter 4.2 --- Performance Comparing with Optimal IP routing --- p.31 / Chapter Chapter 5 --- Sub-Optimal Overlay Auxiliary Routing Algorithm --- p.39 / Chapter 5.1 --- Approximation Conditions to Optimal Overlay Routing --- p.40 / Chapter 5.2 --- SOAR algorithm Overview --- p.44 / Chapter 5.3 --- Distributing Traffic over Multiple Paths --- p.49 / Chapter 5.3.1 --- Adaptive load Adjustment --- p.50 / Chapter 5.3.2 --- Per-flow Routing Control --- p.53 / Chapter 5.4 --- Discussion on Marginal Delay of an OAR Link --- p.55 / Chapter Chapter 6 --- Performance Evaluation of Sub-Optimal Overlay Auxiliary Routing --- p.57 / Chapter 6.1 --- Experiment Method Description --- p.57 / Chapter 6.2 --- Comparison of overall delay --- p.61 / Chapter 6.3 --- Effect of the Routing update interval parameters xx and yy --- p.64 / Chapter 6.4 --- Comparison of packet loss rate --- p.66 / Chapter 6.5 --- Comparison of potential maximum data transmission rate --- p.68 / Chapter 6.6 --- Stability of the OAR load-balancing heuristics algorithm --- p.69 / References --- p.71 / Appendix --- p.75
2

UNO: enabling person-centered and person-based computing

Hui, Pan., 許彬. January 2004 (has links)
published_or_final_version / abstract / toc / Electrical and Electronic Engineering / Master / Master of Philosophy
3

Improvements on system support for network protocol infrastructure development

龍浩生, Loong, Ho-sang, Anthony. January 1994 (has links)
published_or_final_version / Computer Science / Master / Master of Philosophy
4

Synchronization, buffer management, and multicast routing in multimedia networks

Yan, Wei 05 1900 (has links)
No description available.
5

Improvements on system support for network protocol infrastructure development /

Loong, Ho-sang, Anthony. January 1994 (has links)
Thesis (M. Phil.)--University of Hong Kong, 1994. / Includes bibliographical references (leaves 112-115).
6

An optimization analysis of frame architecture in selected protocols /

Chakravorty, Sham. January 1993 (has links)
Report (M.S.)--Virginia Polytechnic Institute and State University. M.S. 1993. / Vita. Abstract. Includes bibliographical references (leaves 87-88). Also available via the Internet.
7

Protocol test sequence generation and analysis using AI techniques

Ko, Kai-Chung January 1990 (has links)
This thesis addresses two major issues in protocol conformance testing: test sequence generation and test result analysis. For test sequence generation, a new approach based on the constraint satisfaction problem (CSP) techniques, which is widely used in the AI community, is presented. This method constructs a unique test sequence for a given FSM by using an initial test sequence, such as a transition tour or an UIO test sequence, and incrementally generating a set of test subsequences which together represent the constraints imposed on the overall structure of the FSM. The new method not only generates test sequence with fault coverage which is at least as good as the one provided by the existing methods, but also allows the implementation under test (IUT) to have a larger number of states than that in the specification. In addition, the new method also lends itself naturally to both test result analysis and fault coverage measurement. For test result analysis, the CSP method uses the observed sequence as the initial sequence, constructs all fault models which satisfy the initial sequence and introduces additional subsequences to pinpoint the IUT fault model. In addition, a second method for test result analysis is proposed, which is originated from a model of diagnostic reasoning from first principle, another well-known AI techniques which produces all minimal diagnoses by considering the overall consistency of the system together with the observation. Unlike the first method, the second method does not require the computation of all fault models explicitly, and hence is considered to be more suitable for large systems. To our knowledge, the proposed methods in this thesis represent the first attempt in applying AI techniques to the problem of protocol test sequence generation and analysis. / Science, Faculty of / Computer Science, Department of / Graduate
8

Open systems interconnection passive monitor OSI-PM

Lo, Jeffrey Kin Hung January 1990 (has links)
The Open Systems Interconnection Passive Monitor (OSI-PM), which is based on the principles of the OSI-Reference Model (OSI-RM), provides a framework for the development of multi-layer passive monitoring and testing. It adopts the same seven-layer architecture of the OSI-RM and provides the capability of selectively displaying, capturing, and analyzing the protocol events on single or multiple connections for any subset or all of the seven layers. Different from conventional monitors, the OSI-PM is able to detect protocol violation as they occur in addition to the monitoring functions. The current OSI-PM is able to monitor and test up to the transport layer of the OSI-RM. This thesis discusses the design, prototype implementation and testing of the OSI-PM. / Science, Faculty of / Computer Science, Department of / Graduate
9

Application of the ferry clip approach to multi-party and interoperability testing

Dany, Hendra January 1990 (has links)
As communications protocols are becoming more complex and sophisticated, developing a test system that has the ability to provide a controlled environment for comprehensive protocol testing is essential to achieve a "real open system". This thesis advocates the need for a multi-party test method as currently identified by ISO, and discusses two important aspects of protocol testing: Conformance and Interoperability. They are complementary to each other and are necessary to ensure the conformity and interoperability of a protocol implementation. The proposed ferry clip based test architecture is presented. Both the concepts and design principles employed to achieve a flexible and generalized test system and the specific components which comprise the Ferry Clip based Test System are described. The test system is general and flexible not only with respect to the test configurations and test methods but also with respect to the protocol to be tested, the system under test, and the underlying communication system. Applications of the ferry clip approach to multi-party conformance and interoperability testing are discussed, followed by an example of MHS conformance testing which demonstrates the applicability of the ferry clip approach to multi-party testing. / Science, Faculty of / Computer Science, Department of / Graduate
10

An architecture for domain based distributed systems management

Wang, Baoyu January 1989 (has links)
No description available.

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