00303nam a2200109Ia 4500008004100000041000800041082002100049100001800070245005700088260004000145300000800185211209s2000    xx            000 0 und d  aeng  a006.678 O 00 BLA  aBLACK, UYLESS  aINTERNET ARCHITECTURE: INTRODUCTION TO IP PROTOCOLS   aNEW JERSEYbPRENTICE HALL PTEc2000  a380