00280nam a2200097Ia 450000500170000000800410001705000200005810000190007824500560009726000290015320251229085838.0251229s9999    xx            000 0 und d  aTK 5105.5 .S88   aSutherland, K. 0aSubnet design for efficient networks.cK Sutherland  aNew Delhib Oxfordc2000