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Pseudo Wire Label Reflector, an Edge Equipment, a Two-Layer Virtual Network and a Method of Providing Pseudo Wire Service
Pseudo Wire Label Reflector, an Edge Equipment, a Two-Layer Virtual Network and a Method of Providing Pseudo Wire Service
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机译:伪线标签反射器,边缘设备,两层虚拟网络和提供伪线服务的方法
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摘要
A pseudo wire label reflector, based on a existing label distribution router, further includes: a mode management unit, for determining the mode for switching and transferring a pseudo wire label message; a first session management unit, for saving the support information that LDP signaling session connection supports the pseudo wire label reflecting capacity; a first pseudo wire label receiving unit, for receiving a pseudo wire label message; a first pseudo wire management unit, for saving the switched pseudo wire state and deciding whether to modify the pseudo wire label message according to the switch and transfer mode determined by the mode management unit; a first pseudo wire label sending unit, for sending the pseudo wire label message. The invention also provides an edge apparatus, a L2 VPN and a method for providing pseudo wire service in PSN. The present invention makes PE equipments participating pseudo wire service to set up PSN tunnel and LDP signaling session connection with the pseudo wire label reflector by introducing the pseudo wire label reflector and extending the capacity that the current edge apparatus supports the pseudo wire label reflector.
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