
(319)
H
H.323, 189
hackers, 92
defense-in-depth solution, 98
DoS (denial of service) attacks, 97
IP (Internet Protocol) spoofing, 96
man-in-the-middle (MITM)
attacks, 97
social engineering, 98
Trojan horses, 97
viruses, 97
hard QoS (quality of service), 193
headers, 34
healthcare networks
challenges, 267
impact of solution, 268
high-speed WAN access services, 58
56-Kbps access, 59
ATM access, 65
cable modem access, 62
DSL (digital subscriber line)
access, 60–61
Frame Relay access, 63–64
ISDN access, 59
private, dedicated leased-line
access, 65–66
home agent (Mobile IP), 227
hotel and hospitality networks
challenges, 289
impact of solution, 291
IPT (IP telephony) systems, ...