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TWaver Based Research and Implementation of Key Technology in Multi-Layer and Multi-Domain Optical Network Management System

Author: CaiYinXiang
Tutor: HuangShanGuo
School: Beijing University of Posts and Telecommunications
Course: Communication and Information System
Keywords: optical network multi-layer and multi-domain network management graphical user interface twaver
CLC: TN929.1
Type: Master's thesis
Year: 2012
Downloads: 47
Quote: 0
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Abstract


Currently, with the rapid development of Internet, users and data traffic have been growing. Future transport network is facing the demand of large-scale. Multiple layers and multiple domains become the trend of future optical networks. Network management system as a subsystem for network resource management and traffic scheduling, not only resolves the problems of traditional network management, but also faces with more complex requirements. The function of traditional network management is mainly related to configuration management, fault management, performance management, billing management and security management. Multi-layer and multi-domain optical network management system not only has traditional network management functions; but also includes functions of layer and domain topology management, configuration management of routing policy and service particles, statistics of network performance parameters, multi-level fault management and new types of service management. Driven by development of multi-layer and multi-domain optical networks, how to manage large-scale multi-layer and multi-domain optical networks effectively and intelligently, adapt to the fast-growing demands of new internet services, and provide reliable quality of service, has become challenge the next-generation optical network management system faces to.To these questions as a starting point, for the research background of multi-layer and multi-domain optical networks, this paper details the key technology of multi-layer and multi-domain optical network management system. Then, based on new dual routing engine architecture in multi-layer and multi-domain optical networks, network management system is designed and implemented successfully. Finally, functional verification, performance evaluation and service presentation are completed on testbed by multi-layer and multi-domain optical network management system. Innovation of this paper and the main tasks are listed as follows:Firstly, current technology and building difficulty of management system graphical user interface be analyzed. In order to resolve slow start, memory overhead and other problems of management system graphical interface contained one thousand nodes, the method of loading application resources dynamically is proposed. Finally, system performance and user experience are improved, hardware cost is reduced.Secondly, multi-layer and multi-domain optical network architecture is researched. By comparing and analyzing current optical network management technology, object-oriented abstraction of managed objects in multi-layer and multi-domain optical network is proposed. Scalability and maintainability of system are enhanced.Thirdly, architecture of multi-layer and multi-domain optical network management system is designed based on TWaver technology. By utilizing object reflection technology, topology data and application logic are separated. Front end and back end of management system are implemented successfully.

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Wireless communications > Lightwave communications, laser communications
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