网络层的链路带宽与有效带宽直接反映了端到端路径的基本状况，是对网络进行性能管理和服务质量控制的基础。
In network layer link bandwidth and available bandwidth capture the relevant properties of network path, which is baseline of performance management and QoS control.
特别是它着重在ISDN D通路的数据链路和网络层的故障和性能管理。
In particular, it focuses on the fault and performance management of the data link and network layer of ISDN D-channels.
对LMP协议层的蓝牙数据包结构、链路的建立和管理、状态机和状态管理、微微网主从设备切换等进行了详细的阐述。
The LMP protocol layer contain bluetooth data packet struct, link creation and management, state machine and state management, piconet, master-slave equipment switching.
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