1. A method for managing transmission resources in a digital communication system comprising an access network, including a DSL system, and implementing resource management to reduce impairments, including cross-talk interference, in a metal access cable or cable binder, of the access network, comprising a number, N, of lines, the method comprising: determining, for each respective of said lines, e.g. a relevant line set comprising interference relevant lines for said respective line, applying resource management, of said lines N, using one or more algorithms based on the determined relevant line sets for said respective lines.