Understanding WAP Wireless Applications, Devices, and Services phần 10 pot

See Users Enterprise resource planning ERP, 206 information store example, 36 intermediary presentation definition, 228–29 for n-tiered applications, 222 Financial WAP applications, 22

See also Unified messaging

Page 249Encryption schemes, 151, 152

End-to-end security, 136

End users See Users

Enterprise resource planning (ERP), 206

information store example, 36

intermediary presentation definition, 228–29

for n-tiered applications, 222

Financial WAP applications, 229–32

data entry minimization, 230–31

General packet radio service (GPRS), 236 Global event binding, 84, 87–88

USSD messages on, 213

High-speed circuit switched data (HSCSD), 236 Holistic approach, 48–49, 52

push access protocol over, 125

Incoming-call handler service, 88–95

activating accept option, 94–95

activating forward option, 92–94

Input techniques, 53–56

Integer factorization problem (IFP), 149–50

Intelligent terminal transfer protocol (ITTP), 2 Interactive mail access protocol (IMAP4), 190 Interactive voice response (IVR), 217

service providers (ISPs), 183

for WAP -based service selection/configuration, 235 Interoperability, 12

JavaScript, WMLScript conversion and, 34

Page 250Libraries (continued)

“Web clipped” based, 215

wireless markup language-based, 214

applications on SIM of phone, 214

microbrowser in smart phones and PDAs, 214–15

resident applications on, 216

SMS messages on GSM phones, 212–13

USSD messages on GSM phones, 213

Mobile electronic commerce, 8

Mobile financial services, 207–36

XML-based intermediary presentation, 228–29

See also Applications

Navigation

form-based, 56–57

models, 56–59

question-and-answer, 57–58

user control and, 58–59

See also User interface design; User interfaces

Network bearer management, 130

voice-call control library, 77

See also WTAI

See also WTAI

Nonrepudiation, 147, 163

Notification applications, 8

Notification services, 199–201 defined, 199

scalability, 222–23

Page 251security, 223

WAP decision and, 170

WAP service success factors, 175–78

digital certificates, 153

discrete logarithm problem, 150

elliptic curve discrete logarithm problem, 150–51 encryption schemes, 151, 152

over HTTP, 125

Push initiators, 123–24, 125–26 defined, 123, 200

push proxy layer, 127–29

Push proxy layer, 127–29

addressing of multiple recipients, 129 address resolving, 128–29

Page 252Push services (continued)

channel loading and unloading, 83–84

channels and resources, 80–83

user selection of, 99

wireless application environment for creating, 15–42

Tagged text markup language (TTML), 2

Tags See Elements

Page 253Temporary event binding, 84, 87

Testing, user interfaces, 59–61

Web, importing into WAP, 47 Users

system perspective steps, 194 user perspective steps, 192–93

See also Unified messaging

WAE, 15–42

components, 16

defined, 16

Page 254WAP

content format support, 17

deck of cards metaphor, 4

defined, 1

designed use, 4

developer's programs, 100–102

evaluation kit, 103

first commercial version, 3–4

functionality, positioning of, 98–103

WIM specification, 164

See also Services

WAP -enabled mobile devices, 99

WAP Forum Ltd., 3 12, 106, 113

WAP gateway, 6–7, 122–23

billing data interface, 111–12

caching of wireless content, 113

compiler and encoder functionality, 106

intelligence interfacing function, 108

interim proprietary solutions, 115

management functions, 107–8, 110–11

manufacturer support offerings, 100–103

method proxy gateway, 122

monitoring of critical alarms, 111

new generation mobile networks, 114

protocol stack, 101, 104

provisioning server, 114

push applications and, 111, 114

push proxy gateway, 122

Page 255

Wireless markup language See WML

Wireless markup language script

See WMLScript

Wireless session protocol See WSP

Wireless telephony application

See WTA framework

Wireless telephony application interface See WTAI

Wireless transaction layer security

layer, 106

WTA framework, 65–95

architecture overview, 67–68 component illustration, 69

defined, 6 66

event handling, 72, 84–88

Page 256context, 69–70

defined, 68

terminate, function, 78

use of WSP session services and WTLS, 70

See also WTA framework

Page 257

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