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Sponsored by the Center for Science and Technology Development of the Ministry of Education
Supervised by Ministry of Education of the People's Republic of China
Embedded systems have been confined to be agents although they have been deployed in element management system for decades. An exploration has been made on this situation by designing and implementing a new full-featured embedded element management system. On one hand, this system can still be an agent; on the other hand, this system provides a user-friendly GUI and I/O devices such as mouse and keyboard, which allows administrators to conveniently monitor and configure the managed equipment. The new system is developed on ARM and Linux with several advanced programming techniques such as multithreading and semaphore, and it is deployed on ROADM(Reconfigurable Optical Add/drop Multiplexer) equipment used in optical network. Moreover, SNMP is applied to be the network management protocol of the system.
Keywords:embedded system; element management system; ROADM equipment