Index_S

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S

SAN management, 88–92

BrightStor, 91–92

interoperability, 92

OpenView Storage Node Manager, 90

Tivoli Storage Network Manager, 88–89

VisualSAN, 89–90

Satellite-based restoration, 376–77

Scheduler agents, 48–49

defined, 48

job completion information, 49

job implementation, 49

Security

among multiple companies, 318

biometrics, 306–9

conclusion, 334–35

costs, 318

disk/drive, 309–10

employees and, 315–16

extranets, 251

firewalls, 320–25

hacker tools and, 315

intrusion detection, 326–27

key/card systems, 305–6

MPLS, 116

network, 303–10

network management system, 331–32

passwords, 304–5

personnel, 332

policy-based, 330–31

product selection, 314–15

remote access, 327–30

SANs, 87–88

single-point logon, 305

testing, 315

testing, with social engineering techniques, 315

threat assessment, 301–2

training, 334

workplace, 302–3

Security management, 38–39, 301–35

agent capabilities, 38–39

defined, 38, 256

Serial Storage Architecture (SSA), 82

Server blades, 67–68

Servers

error logs, 147

fault-tolerant, 62

mirrored, 64

restoration capabilities, 60–62

unmirrored, 64

as valuable resource, 62

Service-level agreements (SLAs), 222, 296–99

availability, 298

compliance, 298–99

defined, 296

financial penalties, 299

key issue, 297

latency, 297

packet loss, 298

performance metrics, 297–98

popularity, 296

Service-level management, 222–23

Service quality management, 284–300

adding, to frame and IP, 287–88

ATM role, 284–87

conclusion, 299–300

hardware solutions, 293–96

introduction, 285

policy-based, 288–90

SLAs, 296–99

software solutions, 290–93

Service/repair documentation, 393–94

Service set identifiers (SSIDs), 131, 269

Session Initiation Protocol (SIP), 122–23

defined, 122

message requirements, 123

network components, 122–23

speed, 123

Signaling system 7 (SS7), 124

Signal transfer points (STPs), 358–59

Simple Mail Transfer Protocol (SMTP), 242

Simple Network Management Protocol (SNMP), 9, 256

advantages, 259

components, 259

components relationship, 260

for CSU-DSU management, 221

default password, 269–70

defined, 258

flexibility, 258

get-bulk request, 171

get-next operation, 271

graphical tools, 269–70

management agents, 260–61

management station, 259–60

mechanics, 258–69

MIB, 261–62

performance, 270–71

platform support for wireless, 271–73

as request/response protocol, 259

RMON, 263–67

RMON2, 267–69

TDM devices and, 184

traps, setting, 147–48

use of, 258

on wireless networks, 270–73

See also Network management systems (NMSs)

Single-point logon, 305

Small computer system interface (SCSI), 81, 82

Smart cards, 306

SNIA, 92

SMI, 92

SNCP, 97

Software defined network (SDN), 159

access control points (ACPs), 160

architecture, 161

See also Virtual private networks (VPNs)

Software distribution automation, 39–40

Source-route bridging (SRB), 102, 103

Source-route translation bridging, 102, 105–6

defined, 102, 105

illustrated, 106

path establishment, 105

See also Bridges

Spanning tree algorithm (STA), 102

Spanning Tree Protocol (STP), 138–42

in conventional bridges, 139

forwarding delay, 140–41

functioning of, 139

hello time, 140

local port cost, 141

local port priority, 141

message timeout, 141

in multibridge environments, 139

ports, 141

ports of active connected repeaters, 141–42

priority, 140

protocols status, 142

Spares inventory, 74–75, 392

Split-access flexible egress routing (SAFER), 361

StarLAN, 18, 20–21

architecture, 21

defined, 20–21

See also LANs

Star topology

network availability, 57–58

network reliability, 55–56

Station message detail recording (SMDR), 166

Statistical time division multiplexers (STDMs), 185–87

advantages/drawbacks, 186

for asynchronous traffic, 189

defined, 185

deployment, 188

peak traffic handling, 185–86

TDM comparison, 187

variable length frames, 186

See also Multiplexers

Statistical time division multiplex (STDM), 183

Storage area networks (SANs), 28, 45–46, 79–92

advantages, 79–81

architecture, 79

for backups, 80

components, 84–85

for data-intensive environments, 81

defined, 45, 79

early implementations, 82

evolution, 81–84

Fibre Channel, 84

hubs, 85–86

illustrated, 80

IP, 93

local/regional, 45–46

LUN masking, 88

management, 88–92

management interoperability, 92

metro-area, 83

move to, 45

security, 87–88

subnets, 88

switches, 86

zoning, 86–87

Storage management, 43–47

disk use monitoring, 43–44

hierarchical, 44–45

need, 43

outsourcing, 46–47

SANs, 45–46

Storage Management Initiative (SMI), 92

Storage Networking Certification Program (SNCP), 97

Storage over Internet Protocol (SoIP), 93

Storage service providers (SSPs), 46–47

cost savings, 47

defined, 46

leverage, 46

monitoring software, 47

needs addressed by, 46–47

Storage virtualization, 79, 94–96

appliance, 95–96

defined, 94

host, 94–95

storage, 95

technology, 94

Subnet masks, 131

Subnetworks, 60

Subrate data multiplex (SDM), 193

Surge suppressors, 74

Switched multimegabit data service (SMDS), 109

Switched virtual circuits (SVCs), 227, 228, 231

Switches

adjunct, 173–74

circuit, 119

fabric, 86

SAN, 86

single-stage space-division, 154

three-stage space-division, 155

Switching matrix, 153–56

control, 153

single-stage space-division, 154

three-stage space-division, 155

See also PBXs

Symmetric encryption, 311

Synchronous optical network (SONET), 79, 82, 109

for disaster recovery, 363–65

embedded management channels, 364

System fault tolerance (SFT) levels, 48

Systems design, 352–55

Systems network architecture (SNA), 117

Systems security certified practitioner (SSCP), 333

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