S

SAML (see Security Assertion Markup Language)

SAS (see Stand-Alone SMLC)

SASL (Simple Authentication and Security Layer), 318

Satellites, 227–228

Secure HTTP, 241

Secure MIME (S/MIME), 289

Secure User Plane Location (SUPL), 195, 228–230

defined, 318

in LIS, 230

Security:

authorization policy for, 51

and digital signatures, 296

for privacy, 51

Security Assertion Markup Language (SAML):

defined, 318

HELD target, 81, 82

for trait-based authentication, 318

Send Routing Information (SRI) message, 198

Service Set Identifier (SSID):

defined, 318

in WiFi networks, 101–102

Service-provider access-provider decoupling (see Access-provider service-provider decoupling)

Serving GPRS Support Node (SGSN), 197, 198

Serving Mobile Location Center (SMLC):

in cellular networks, 5, 9

defined, 318

and GMLCs, 5, 6

GPS measurements for, 7

Session Initiation Protocol (SIP):

defined, 318

signaling, 131, 132

Universal Resource Identifier, 28

SET (see SUPL enabled Terminal)

SGSN (Serving GPRS Support Node), 197,198

Signal strength:

in GSM, 204

measurement of, 192

in wireless networks, 185–186

Signature algorithm, 291

Signature form, 290

signed Qualifier, 76–77

Simple Authentication and Security Layer (SASL), 318

Simple Network Management Protocol (SNMP):

defined, 319

LINKS Layer Discovery Protocol using, 225

and LLDP-MED specification, 116

switches in, 102

Simple Traversal of UDP NAT (STUN), 91, 92

defined, 319

Voice Service Provider on, 92

SIP (see Session Initiation Protocol)

SLP (see SUPL Location Platform)

S/MIME (Secure MIME), 289

SMLC (see Serving Mobile Location Center)

SNMP (see Simple Network Management Protocol)

SNMP GET messages, 103

Sphere shape (uncertainty), 40–41, 75

Spheroid shape (uncertainty), 40f

Spoofed locations, 18

SS (see Subscriber Station)

SSID (see Service Set Identifier)

Staff-locator/asset tracker application, 125

S-TAG, 159–160, 163

Stand-Alone SMLC (SAS), 55, 319

Static configuration, using DHCP, 99

Static mappings, 103–104

STUN (see Simple Traversal of UDP NAT)

Subscriber Station (SS), 206, 318

Subscriptions:

defined, 27, 29

in Geographic Location/Privacy, 37

for instant messaging, 28

for LCS client, 235

limit of, 29

to multiple services, 245

to presence servers, 27–28

SUPL (see Secure User Plane Location)

SUPL enabled Terminal (SET), 223, 319

SUPL Location Platform (SLP):

in 1xEVDO network, 202 223, 202

defined, 319

Switches:

Ethernet, 271–274

SNMP, 102