An operator needs to decide on a network convergence strategy based on the existing network structure, Operations Administration and Maintenance (OAM) system, and business mode.

电信运营商需要结合自身网络结构、运维体制、业务运营模式等作出规划分析，找出适合自己的网络融合之道。

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The contract also covers system administration, operations, maintenance and integration services.

合同还包括系统管理、运行、维修和一体化服务。

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The Operations, Maintenance and administration Part (OMAP) layer provides procedures related to database administration, circuit management, routing and validation.

运营，维护和管理部分(omap)层提供与数据库管理、电路管理、路由和验证相关的过程。

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