中文摘要：

虽然基于SDH的自动交换光网络（ASON）设备技术已经成熟,并且得到广泛的应用,但是其运营的时间相对较短,还没有形成成熟的网络维护经验和维护手段,文章从网络结构组织、连接管理、控制平面管理和保护恢复等几个方面出发,对ASON网络中的管理维护技术进行分析和研究。

英文摘要：

With the increasing deployment of Automatic Switched Optical Networks based on SDH technology, how to achieve reliable maintenance and management of ASON becomes crucial and attractive. This paper is focused on the network architecture, connection management, management of control plane, protection and restoration in ASON, and the technology of operation and maintenance in ASON was also analyzed.