00528nam a2200181Ia 4500003000400000005001700004008004100021040002000062041000800082082002300090100002700113245007700140250001200217264004000229300001500269650002100284650004100305AIT20260529165910.0221231s9999    xx            000 0 und d  aATRIAbengcAIT  aeng  a004.6 FREqAIT222  aHalsall , FredeAuthor 0aData communication computer networks and open systems /cby Fred Halsall  a4th ed.34aHarlow :bAddison -Wesley,c©2000.  aXV, 907 p.  aComputer Science  aData Communication Computer Networks