Index H

H

Hardware, 37–50

bridges, 41–42

compression, 486

CSU/DSUs, 40–41

end systems, 46

firewalls, 46

gateways, 45–46

intermediate systems, 46–47

line drivers, 40

location illustration, 38

MAUs, 38–39

modems, 40

repeaters, 39–40

routers, 42–45

switches, 42

Hashing

deterministic flow, 516, 517

distributed, 518–19

techniques, 515–19

Hierarchical distributed database, 107

Hierarchical management, 675–77

Hierarchical routing

benefits, 160–61

defined, 148

partitions, 148

three-layer scheme illustration, 149

Hierarchical Storage Management (HSM), 543–44

data classes and, 543–44

defined, 543

file tracking, 544

High-availability (HA) systems, 391–92

clustering and, 439–42

combined with fault-tolerant servers, 455–56

defined, 433

design features of, 440

implementation, 435

scalability, 435

server architecture, 433

server mirroring, 440–41

High-speed, real-time capture, 698

History group, 659

Host group, 659

HostIDs, 65

Hosts file, 106–7

Hot Standby Router Protocol (HSRP), 439, 452–54

defined, 452

support, 453

terminology, 452–53

VRRP vs., 453–54

Hot swap, 458

HP

OpenView, 674

SNMP++, 670

Hub resilience, 466

Hybrid media fabrics, 231

Hypertext Transfer Protocol (HTTP)

caching and, 526

load sharing, 509

load-sharing proxies, 454, 509

Secure (S-HTTP), 336

Voyager interface, 669

vulnerabilities, 310