00314    a2200109   4500020001500000082001600015100001800031245005500049260003100104300002400135650004500159  a8178082713  a004.69bBLA  aBlack, Uyless  aInternet security protocolsbprotecting IP traffic  aDelhibPearsonc2000g2000  axviii, 286p.c24cm.  aSPECIFIC KINDS OF COMPUTER COMMUNICATION