This thesis addresses two of the main issues required to build reliable terabit ATM networks. A high-capacity switch and an efficient error recovery protocol are the key elements in building a reliable terabit ATM network. In this thesis, a terabit switch architecture and a reliable end-to-end error recovery protocol for terabit networks are introduced. The proposed terabit ATM switch architecture is designed to work efficiently in low-capacity and high-capacity environments. The architecture is developed by interconnecting small-capacity switching modules in a scalable fashion. The switching module can be used alone as a small-capacity ATM switch. Multiple the switching modules can be used to achieve any required switching capacity. The proposed interconnecting scheme provides remarkable low cell-delay characteristics with a simple distributed cell scheduler. The proposed architecture has a high reliability: Even when a complete switching module fails the switch will continue to work efficiently. The switching element which is introduced as the main building block for the terabit switch architecture is a nonblocking input buffer ATM switch. The input buffers are implemented as groups of parallel shift-registers. The parallel nature of the storing buffers overcomes the Head Of Line and low throughput problems of existing input buffer switch architectures. In addition, using the shift registers overcomes the need for serial-to-parallel and parallel-to-serial format conversions. ATM networks support different types of services having different delay and loss requirements. A priority scheduling scheme is proposed to facilitate the support of different Qualities of Service. The proposed scheme satisfies both real-time and non-real-time service requirements. Cell loss is not acceptable for some data applications. This thesis proposes an efficient error recovery protocol which guarantees reliable communication with limited overhead. The proposed protocol requires a low number of control packets to achieve reliable communication. It also adapts itself, in order to work efficiently during both congested and non congested states. / Graduate

No description available.

International Telemetering Conference Proceedings / October 25-28, 1999 / Riviera Hotel and Convention Center, Las Vegas, Nevada / Due to Cost and Safety considerations the Range Division of the 412th Test Wing is upgrading remote telemetry (TM) antenna sites to be operated and monitored remotely. This is possible, in part, due to the installation of fiber optic cable, and the use of ATM communications protocol. Both of these applications significantly reduce signal latency from the remote control station located at Ridley Mission Control Center (RMCC) and the Antenna site. This paper discusses the challenges associated with controlling these sophisticated systems remotely. We will also describe the decisions and how they were made, the concerns over system performance, and the impact to other systems. This paper also addresses the technologies chosen to support the requirements and overcome the challenges. The benefits of remote range sensors are also discussed. We will provide top-level block diagrams of the system architecture.

published_or_final_version / Electrical and Electronic Engineering / Doctoral / Doctor of Philosophy

No description available.

In our work, we have proposed a new framework for the classification and comparative study of ATM congestion control schemes. The different aspects on which we have classified the algorithms are control theoretic approach, action and congestion notification. These three aspects present of the classification present a coherent framework on which congestion control algorithms are to be classified. Such a classification will also help in developing new algorithms.

by Lau Chu Man. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1995. / Includes bibliographical references (leaves 76-83). / Chapter 1 --- Introduction --- p.1 / Chapter 2 --- Basic Notions --- p.13 / Chapter 3 --- Fast Knockout --- p.19 / Chapter 3.1 --- The Algorithm of Fast Knockout --- p.20 / Chapter 3.2 --- Complexity of the Fast Knockout Algorithm --- p.29 / Chapter 3.3 --- Summary --- p.35 / Chapter 4 --- k-Sortout --- p.36 / Chapter 4.1 --- A Brief Review of k-Sorting --- p.37 / Chapter 4.2 --- The Algorithm of k-Sortout --- p.47 / Chapter 4.3 --- Complexity of the k- Sortout Algorithm --- p.53 / Chapter 4.4 --- Summary --- p.58 / Chapter 5 --- General Sortout --- p.59 / Chapter 5.1 --- The General Algorithm of Sortout --- p.59 / Chapter 5.2 --- Complexity of Concentrators by the General Algorithm --- p.64 / Chapter 5.3 --- Summary --- p.69 / Chapter 6 --- Concluding Remarks --- p.70 / Chapter 6.1 --- Summary of Results --- p.70 / Chapter 6.2 --- Directions for Further Research --- p.73 / Bibliography --- p.76

by Yip Chung Sun Danny. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2000. / Includes bibliographical references (leaves 52-54). / Abstracts in English and Chinese. / Chapter Chapter 1 --- Introduction --- p.1 / Chapter 1.1 --- Motivation --- p.1 / Chapter 1.2 --- Organization of Thesis --- p.5 / Chapter Chapter 2 --- Background --- p.6 / Chapter 2.1 --- Speech Codec --- p.6 / Chapter 2.2 --- RTP/UDP/IP Header Compression --- p.7 / Chapter 2.2.1 --- Real-Time Transport Protocol --- p.7 / Chapter 2.2.2 --- RTP/UDP/IP Header Compression --- p.8 / Chapter Chapter 3 --- Scenario and Assumptions --- p.10 / Chapter Chapter 4 --- Asynchronous Time Division Multiplexing Scheme --- p.14 / Chapter 4.1 --- Basic Idea --- p.14 / Chapter 4.1.1 --- Bandwidth Efficiency Improvement --- p.16 / Chapter 4.1.2 --- Delay Reduction --- p.18 / Chapter 4.2 --- Header Compression --- p.19 / Chapter 4.2.1 --- Header Compression Process --- p.21 / Chapter 4.2.2 --- Context Mapping Table --- p.23 / Chapter 4.3 --- Protocol --- p.28 / Chapter 4.3.1 --- UNCOMPRESSED_RTP Mini-Header --- p.30 / Chapter 4.3.2 --- SYNCHRONIZATION Mini-header --- p.31 / Chapter 4.3.3 --- COMPRESSED´ؤRTP Mini-header --- p.32 / Chapter 4.4 --- Connection Establishment --- p.33 / Chapter 4.4.1 --- Addressing Phase --- p.34 / Chapter 4.4.2 --- Connection Phase --- p.36 / Chapter 4.5 --- Software Implementation --- p.38 / Chapter Chapter 5 --- Simulation Results --- p.39 / Chapter 5.1 --- Simulation Model --- p.39 / Chapter 5.2 --- Voice Source Model --- p.41 / Chapter 5.3 --- Simulation Results --- p.43 / Chapter 5.3.1 --- Network Utilization and Delay Performance --- p.43 / Chapter 5.3.2 --- Number of Supported Connections --- p.45 / Chapter Chapter 6 --- Conclusion and Future Work --- p.49 / Bibliography --- p.52

No description available.

by Soung-yue Liew. / "June 1999." / Thesis (Ph.D.)--Chinese University of Hong Kong, 1999. / Includes bibliographical references (p. 159-169). / Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Mode of access: World Wide Web. / Abstracts in English and Chinese.