index_I

I

ICMP (Internet Control Message Protocol), 186

ICP (Internet Cache Protocol), 416417, 567568

IFMP (Ipsilon Flow Management Protocol), 441442

IGMP (Internet Group Management Protocol), 178179

IGRP (Interior Gateway Routing Protocol), 454

image maps, 242246

IMAP-4 (Internet Message Access Protocol 4), 386387, 390

ingress noise, 140

Intelligent Network, 148

interface cards. See NICs

Internet. See also Web sites; World Wide Web

e-mail and, 382

IP addresses and, 159162

multicasts and, 177

security of, 251255

services available on, 215219

VPNs and, 592595

Internet Protocol Version 6, 181185

internetworking, 425475

bridges, 429433

broadcast domains, 442444

caching, 412417

dial-up, 471475

Ethernet switching, 434437

LU6.2 connectivity, 464467

mainframe gateways, 459463

overview of, 425429

routers and, 446455

routing, 437442

SNA, 464467

spontaneous , 473474

switching, 437442

Token Ring, 455459

VLANs, 444446

wireless networks, 467471

intranets , 217, 218

Intrusion Detection, 546549

inverse multiplexing, 4649

I/O transfers, 312

IP addresses, 159162, 185189

DHCP and, 172176

dispensing, 174175

multicasting and, 177

rules for, 172

subnets and, 161163

IP (Internet Protocol)

Mobile, 185189

Networks, 30

Quality of Service (QoS), 167171

security and, 532536

TCP and, 157, 158

IP spoofing, 532, 565

IPC (interprocess communication), 375

IPCP (IP Control Protocol), 137

IPRA (Internet Policy Registration Authority), 557

IPsec (Internet Protocol Security), 533, 536, 593, 594

IPv6, 171

IP VPN Services, 596600

IPX/SPX (Internetwork Packet Exchange/ Sequenced Packet Exchange), 1213, 452453

ISAKMP (Internet Security Association and Key Management Protocol), 535536, 599

ISAKMP/Oakley protocol, 535

ISDN (Integrated Services Digital Network), 4246

Always On/Dynamic ISDN, 4953

channels, 50, 5152

implementation of, 4246

overview of, 4245

vs. POTS, 42

ISO (International Standards Organization), 1011

IT asset management, 508517