00349nam a2200121 a 450000500170000002000180001708200150003510000230005024500760007325000120014926000390016130000270020020251203110919.0  a9788177585698  a004.6bSTA  aStallings, William  aHigh - speed networks and internetsbperformance and quality of service  a2nd ed.  aNew DelhibPearson Educationc2008  axviic715p.c24cm.cPB