Quality of service (QoS) maintaining method, device and system
A quality of service and business type technology, applied in the field of quality of service QoS maintenance, can solve the problem of not fully simulating the original business
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[0039] The embodiment of the present invention provides a method for maintaining quality of service (QoS). When the priority of the newly received ATM cell is different from that of the cached ATM cell, the buffered ATM cell is cascaded and encapsulated into a PW The QoS mark corresponding to the cached ATM cell is used as the QoS mark of the PSN transmission header of the PW message, or as the QoS mark of the PSN transmission header and the PW header of the PW message at the same time , so that all ATM cells contained in a PW message have the same priority, so as to completely simulate the original service. The embodiment of the present invention also provides corresponding carrier edge PE equipment and ATMPWE3 system. Each will be described in detail below.
[0040] The embodiment of the present invention provides a QoS maintenance method, which is applied to the ATM PWE3 using cascade encapsulation. Please refer to Figure 9 The system networking diagram of ATM PWE3 is s...
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