00274nam a2200109Ia 4500008004100000041001200041082001100053100001300064245007500077260000600152650000600158221030s9999    xx            000 0 und d  aEnglish  a105.23  aA. Croll 0aManaging Bandwidth : Deploying Qos In Enterprise Networkscby A. Croll  c0  aB