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ATM交换机由于执行了严格的基于连接的流量管理和拥塞控制,能为用户提供良好的QoS保证,在骨干网中得到了广泛应用。但如何解决IP业务优先级与ATM优先级的对应关系,及建立和撤除机制,是ATM交换机设计面临的重要问题。以ATM交换机无线ATM接口为例,对ATM交换机如何实现IP业务优先级与ATM优先级的对应,及建立和释放策略等方面,提出了一套完整的设计和实现方案。
ATM switches provide strict QoS guarantees for users due to strict connection-based traffic management and congestion control, and are widely used in the backbone network. However, how to solve the correspondence between IP service priority and ATM priority, and establishment and removal mechanisms are important issues in ATM switch design. Take ATM switchboard wireless ATM interface as an example, put forward a set of complete design and realization plan to how to realize correspondence of IP business priority and ATM priority of ATM exchanger, and set up and release tactics, etc.