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The Design and Implementation of Network Element Management System for DWDM Equipment

Author: GengLiang
Tutor: XuDaXiong
School: Beijing University of Posts and Telecommunications
Course: Optical Engineering
Keywords: DWDM ROADM Element Management System SNMP
CLC: TN929.11
Type: Master's thesis
Year: 2009
Downloads: 73
Quote: 3
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Abstract


Dense Wavelength Division Multiplexing (DWDM) refers to a technique of simultaneous transmission of multiple light signal using different wavelengths on a single fiber. DWDM extended wavelength division multiplexing (WDM) technology, with higher bandwidth and bandwidth density. Optical add-drop multiplexers (OADM) wavelength division multiplexing (WDM) optical network node device. OADM traditional power drop multiplexer with the transparency of the signal system and rate the electronic bottleneck problem to overcome traditional network node in the optical domain to achieve one of the key technologies. The OADM can save electricity sub / drop multiplexing terminal, thus easing the problem of the accumulation of long plagued a large number of fiber-optic network switching equipment and terminal equipment. With the emergence of a variety of new technologies and new business, network flexibility, security, more and more attention. Reconfigurable wavelength multiplexers (ROADM) dynamically configurable upper and lower optical path, the optical network enables greater network flexibility and survivability, but also to reduce the cost of the optical network, which received extensive attention . DWDM and ROADM technology to fully grasp, SNMP network management technology and network management software development knowledge based on DWDM and ROADM equipment management needs, and for this purpose involved in the design and development of DWDM and ROADM network element management system. Finally, the element management system fully tested to verify the functionality and stability of the system. This paper briefly describes the principle of DWDM and ROADM technology, and then start from the SNMP network management technology on the DWDM equipment proposed device element management system design, and according to the capabilities of the device structure and design requirements elaborated network management software and the hierarchical structure of the agent-side software and interface. End R \u0026 D in the the DWDM terminal device SNMP agent the DNE module and microcontroller SNMP protocol parsing module program design and implementation is the focus of this article and innovation, has a certain reference value for the study of other related equipment. My main research work include: 1. DWDM and ROADM technology, research, DWDM terminal equipment and ROADM node hardware structures and system. 2. Participate in DWDM terminal equipment element management system program design, responsible for the microcontroller SNMP protocol analysis module of the software implementation and unit testing, design and implementation involved in network management software SNMP communication modules. Responsible for the design of ROADM network management software configuration management capabilities to achieve, to participate in the testing and acceptance of the equipment system.

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