| 摘要 |
Methods and apparatus are disclosed for allocating resources in a Digital Subscriber Line (DSL) network, the network comprising at least one lower-tier digital subscriber line (15d, 15e) carrying signals according to a first protocol between a transceiver device (22) at a lower-tier network node (20) and a subscriber (10d, 10e) transceiver device and further comprising at least one higher-tier digital subscriber line (15a, 15b, 15c) carrying signals according to a second protocol between a transceiver device (32) at a higher-tier network node (30) and a subscriber (10a, b, 10c) transceiver device, the first protocol permitting signals to be carried at frequencies in a range having a higher upper limit than the second protocol. |
