00646nam a2200205Ia 450000500170000000800410001702000150005804000180007304100080009108200210009910000190012024500790013925000120021826000420023030000280027265000230030065000470032365000360037065000340040620230706102918.0210716s2000    xx            000 0 und d  a8178080982  cAIMIT LIBRARY  aeng  a004.65 24bHALF  aHalsall, Fred.  aData communications computer networks and open systems /cBy Fred Halsall.  a4th ed.  aNew Delhi :bAddision Wesley ,c2000.  axvi,907p. ;bPBc23 cm.  aData transmission   aHigh speed and bridged local area networks  aBroadband multiservice networks  aApplication support protocols