Method for Reserving Capacity on a Communication Network Link

A method for reserving capacity on a communication network link for guaranteed hit rate (GBR) and best effort (BE) traffic includes determining (s10) a dimensioned capacity DGBR for GBR traffic based on an expected GBR traffic load and one grade of service (GoS); determining (s20) a dimensioned capacity DTOT for total traffic based on DGBR, an expected BE traffic load and one GoS; determining (s30) a reserved capacity RTOT for total traffic by selecting, amongst capacities available on the link, the minimum of these capacities that exceeds DTOT; determining (s40) a reserved capacity RGBR for GBR traffic based on DGBR, DTOT and RTOT; reserving (s60) RTOτ as capacity for a higher-level pipe on the link; reserving (s60) RGBR as capacity for a first lower-level pipe for GBR traffic within the higher-level pipe; and reserving (s70) RTOT as capacity for a second lower-level pipe for BE traffic within the higher-level pipe.