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Wireless Web Access Survey Report John Lautmann Uma Chandrasekar Agenda Wireless Advantage Challenges in wireless implementation Wireless Web Architectures WAP I-Mode Comparison of WAP and I-Mode Wireless LAN Bluetooth Wireless Advantage
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Wireless Web Access Survey Report John Lautmann Uma Chandrasekar
Agenda • Wireless Advantage • Challenges in wireless implementation • Wireless Web Architectures • WAP • I-Mode • Comparison of WAP and I-Mode • Wireless LAN • Bluetooth
Wireless Advantage • potential benefits through more flexible, mobile and personal channels of communication. • An opportunity to fundamentally transform customer relationships • Creative wireless solutions enable users to access information whenever and however they want. • Company can “push” data to customers in real-time • “Any device, Anytime, anywhere” mantra
Challenges in Wireless Implementation • On the equipment side • Less powerful CPUs • Less memory (ROM and RAM) • Restricted power consumption • Smaller displays • Different input devices (e.g., a phone keypad, voice input, etc.)
Challenges in Wireless Implementation • On the network side • Less bandwidth • More latency • Less connection stability • Less predictable availability
Wireless Web Architectures Tier 1 Tier 3 Tier 2 Web Server Client Device Wireless Gateway Receiving Tower Wireless HTTP Browser • Disadvantages • Unusable without network • Poor usability • Poor performance • Poor battery life • Advantages • Fast time to market • Simple development effort • Works on all devices Browser-based wireless architecture
Wireless Web Architectures Tier 1 Tier 2 Tier 3 Client Device Web Server Thick client Sync Engine Sync Server Receiving Tower Wireless Local data • Disadvantages • Complex development effort • Slow time to market • Client software distribution/support • Unavailable for cell phones • Advantages • Always available • Good usability • Good performance • Good battery life Thick Client Solutions
Wireless Web Architectures Tier 1 Tier 2 Tier 3 Client Device Web Server AvantGo client AvantGo Server Receiving Tower Wireless Local Content • Disadvantages • Very poor usability • Client software distribution/support • Unavailable for cell phones • Advantages • Always available • Fast time to market • Good performance • Simple development effort Hybrid Solutions
What is WAP? • An open, global standard that empowers mobile users with wireless devices to easily access and interact with information and services instantly. • A standard created by wireless and Internet companies around the world to make accessing the Internet as easy and convenient as using a cellular phone
WAP Offers Bearer Independence SMS • Allows Applications developed once to work across all networks -- today and tomorrow • Protects the Carrier’s investment in wireless data as networks evolve • Enables Mobile Device Manufacturers to use common code across product lines TDMA GSM USSD GPRS CDPD CDMA
WAP Provides Device Independence • Allows applications developed once to work across devices from small handsets to powerful PDAs • Promotes consistent user experience across all of a carrier’s handset offerings • Encourages wealth of applications for handset manufacturers that implement the standard
WAP provides a “microbrowser” optimized for wireless devices • Requiring minimal RAM, ROM, Display, CPU and keys • Providing carriers with consistent service UI across devices • Providing Internet compatibility • Enabling wide array of available content and applications
Converging WithAn XML World • WAP is already prepared for convergence • Understanding the “module” effect • Content availability increases because less code is needed to render sites properly instead of re-writing whole sites • WAP complies with W3C’s recently approved XHTML standard
So - Why WAP? • An open industry-established world standard • Based on Internet standards includingXML and IP • Committed to by handset manufacturers representing over 95% of the world market across all technologies • Supported by network operators representing over 200 million subscribers
WAP Benefits • WAP delivers revenue opportunities for carriers • WAP offers a broad market for developers • WAP means increased sales for device, infrastructure and gateway manufacturers • WAP means freedom to the end user
WAP’s “Killer Apps” • Location-based services • Real-time traffic reporting • Event/restaurant recommendation • Highly customized ads • Instant messaging-type “buddy” location • Enterprise solutions • Email access • Database access • A “global intranet” • Information updates “pushed” to WAP devices
WAP’s “Killer Apps” • Gaming, Gambling and Entertainment • Online, real-time, multi-player games • Downloadable horoscopes, cartoons, quotes, advice • “M”-Commerce - Shopping on the go • Instant comparison shopping • Impulse buying • Location-based special offers and sales • Financial services • Banking, Bill-paying, Stock trading, Funds transfers • Travel services • Schedules and rescheduling • Reservations
I-Mode • In addition to conventional voice communications, users can access a wide range of sites by simply pressing the i-mode key. • The convenient and useful service lineup includes mobile banking and ticket reservations. • I-mode employs packet data transmission (9600bps), so communications fees are charged by the amount of data transmitted/received rather than the amount of time online. • i-mode is compatible with Internet e-mail and can also transfer mail between i-mode terminals.
I-Mode Structure Connecting to sites, receiving messages and transmitting e-mail are done via the DoCoMo i-mode center.
Wireless Network Characteristics • Low bandwidth / Wide coverage area CDPD • High bandwidth / Short distances 802.11a / 802.11b Bluetooth Infrared
Infrared Lan interconnect • Can use to sync handheld devices with Avantgo • Use Microsoft ActiveSync to update handheld • Can connect to internet at speeds of up to 4Mbps
Wireless Network Security • 802.11b Wired Equivalent Privacy Protect wireless data to an equivalent level of privacy of wired networks • Uses 40, 64, 128 bit encryption • WEP2 standard (802.11e) in progress
Mobile IP enables Wireless Freedom • Mobile IP provides users the freedom to roam beyond their home subnet while consistently maintaining their home IP address • Enables sessions to be maintained in spite of physical movement between points of attachment to the Internet or other networks