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IDUG EU 2005 Leon Katsnelson: Extending DB2 Data to Mobile Devices

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IDUG EU 2005 Leon Katsnelson: Extending DB2 Data to Mobile Devices Platform:DB2 Family Extending DB2 data to mobile devices Leon Katsnelson IBM Toronto Lab [email protected] Session: E04 Tuesday, October 25 8:30 AM - 9:30 AM Room 5 1 This session … … will not have marketing charts on why mobility is important … will tell you how to make things happen. No previous experience with mobile devices or programming is required. Materials are targeted to DB2 professionals. • Mobile application architectures and factors that drive selection of one architecture vs. another • Connectivity choices and criteria • Examples of application development tools and processes in simple language …will use demos to illustrate the concepts and to show how DB2 professionals can get started with mobile applications 2 2 What kind of mobile applications are we talking about? • Applications that utilize mobile devices as one of its components • Performs business function (Java games not included) • Allows user to perform business transactions • Goes beyond email, PIM and voice • Rely on enterprise data to achieve its objectives 3 3 Mobile Devices What really matters • Connectivity • Form factor • Battery life • Availability of peripherals • Barcode, RFID scanners • Printers • Cameras • Operating system • Provisioning and maintenance • Security 4 4 Mobile Devices Connectivity • On-premises: Wi-Fi • Wi-Fi is very inexpensive and is now considered secure • Most modern mobile devices have Wi-Fi capability built in or can be retrofitted with via cards etc. • Mobile Wireless • Lower speed wireless (GPRS, EDGE) is widely available • Higher speed rollouts picking up speed with UMTS, HSDPA and EV-DO • Newer devices are starting to come out with high speed data built in 5 Deploying on premises wireless is no longer a question for any organization. With the Wi-Fi network gear being very inexpensive and with the recent security protocols greatly improving Wi-Fi security reputation, Wi-Fi has become ubiquitous in the enterprises. Majority of business mobile devices come with Wi-Fi built in. Even BlackBerry has a device with Wi-Fi built in. Companies can often count on Wi-Fi for off premises connectivity for traveling workers. There is relative an abundance of public Wi-Fi hotspots where secure VPN communications can be obtained. However, coverage is not wide enough for off- premises mission critical applications. Wireless (cellular) data technologies is the natural choice for off-premises mission critical applications. There is reasonable coverage for low speed wireless data with GPRS and x1 RTT. The 3G wireless data technologies such as HSDPA and EV-DO are delivering speeds that approach broadband to wireless devices. Coverage is currently very sparse but it appears that we are on the verge of major rollouts by all of the network operators world wide. 5 Wireless Technologies High-Speed Downlink Packet Access • Mobile broadband at ADSL speed • HSDPA is an enhancement to WCDMA, a technology that is also referred to as UMTS (Universal Mobile Telecommunications System), the 3G path chosen by most GSM operators around the world. • Europe • T-Mobile trials start in Sept. 2005, roll out in 2006 in Germany, Netherlands, UK etc. • Vodafone Italy conducting demonstrations/trials • Austria: mobilkom, tele.ring • Russia: Mobile TeleSystems, MegaFon, VimpelCom • Israel: Partner Communications • mmO2, Orange • North America • Cingular Wireless began trials in US • Rogers “has plans” 6 High-Speed Downlink Packet Access (HSDPA) is an upcoming standard for data transmission over GSM networks. We can transmit data over the cellular network today, but it's considerably slower than Wi-Fi and not really much use for Internet access from a mobile computer. The first version of HSDPA will have a theoretical top speed of 1.8 megabit per second. In real-world usage on a busy cell, it will probably deliver more like 700 or 800 kilobits. That's not as fast as Wi-Fi, but it is as fast as many hotspots, because the bottleneck for hotspots is often the backhaul to the Internet. And it's also not the whole story, because future generations of HSDPA are expected to double the top speed at least twice, eventually reaching 7.2 megabits per second, which would outrun DSL and cable modems. HSDPA technology is an optional upgrade available for WCDMA/UMTS networks and terminals. It offers a seven-fold increase in theoretical data speeds (14Mbps) for the downlink compared to today's WCDMA networks (2Mbps). In real life, these theoretical maximum data rates are rarely achieved, but the practical performance of HSDPA can be compared with current ADSL broadband, whereas WCDMA is more comparable to basic ISDN. HSDPA not only offers higher raw data rates but also it is much better designed to handle IP traffic. Therefore, end-users will experience faster response times and shorter download times. They can also download packet-data over HSDPA at the same time as having a speech call. HSDPA is an enhancement to WCDMA, a technology that is also referred to as UMTS (Universal Mobile Telecommunications System), the 3G path chosen by most GSM operators around the world. Today, there are already some 75 UMTS networks in operation around the world. In the US, Cingular (via its purchase of AT&T Wireless) has UMTS available in six cities. However, the company is planning an aggressive deployment of HSDPA, with 15 to 20 cities planned by the end of 2005 and most major metropolitan areas by the end of 2006. The six cities with current UMTS service will be upgraded to HSDPA as well. 6 Wireless Technologies WiMax • Initially being deployed as a wireless backhaul solution • Will be deployed as a mobility application starting in 2007-2008 when the 802.16e standard is ratified and WiMax-capable devices are available. • WiMax has been greatly over hyped • There are many pre-certification deployments but certification has been delayed i.e. network rollouts are delayed • Intel is a major backer 7 WiMAX is initially being deployed as a wireless backhaul solution, but will be deployed as a mobility application starting in 2007-2008 once the 802.16e standard is ratified and WiMAX-capable devices enter the market. WiMax has been greatly over hyped and at the same time has been plagued by delays. Inability to meet these exaggerated expectations can put it on the endangered list. Intel has thrown its weight behind WiMax. Since Intel is a major provider of chipsets for mobile devices and carrier gear, this may prove to be the most important factor for the viability of WiMax. 7 Wireless Technologies OFDMA • Flarion’s Proprietary technology • Qualcomm is purchasing Flarion for $600 million • T-Mobile trials in the The Hague, the Netherlands: • Impressive speeds: • downstream speed 1.5Mbps, • upstream speed 500kbps, • latency 30ms • 18 cell cites • 200 Enterprise Customers • Other trials/deployments by Telstra, Vodafone, Digita (Finland), Citizen Wireless (USA) , Cellular-One (USA), Nextel (USA) • OFDMA variant of OFDM is considered by many to be one of the most promising 4G wireless technology • It is going to take a while before any of us can use OFDMA. Carriers are too busy with HSDPA deployments 8 The progress in wireless technologies is not stopping. Wireless equipment maker, Flarion, brought to market its proprietary Flash OFDM technology which is showing great promise. The basic OFDM technology is already used as the radio interface in fixed wireless for 802.11g and 802.11a, for digital TV broadcast systems such as Digital Video Broadcast (DVB), and for Fixed WiMax systems based on the 802.16-2004 standards. Qualcomm has entered in to an agreement to purchase Flarion and transaction is expected to close before the end of 2005. Many expect that Qualcomm will champion OFDM as the next iteration of its wireless technologies. OFDMA, 8 Mobile Devices Common form factors • Tablet PC • Function specific data terminals • PDA • Smart Phone 9 Mobile devices come in many form factors. Along with available connectivity, form factor is often the determining factor for choosing one device over another for an enterprise application. When it comes to mobile devices many people think of consumer devices and PDAs and smart phones are the first devices that come to mind. In commercial world, however, devices such as tablet PCs and mobile data terminals play an important role. Commercial deployments often value attributes of specific form factors that are not important in consumer devices. For example factors such as impact and vibration tolerance, water resistance, ability to function in harsh environmental conditions that include low or high temperatures etc. are all key to many applications. Other form factor attributes such as vehicle mounts, “wearability”, ability to perform operations with one hand, availability of keyboard and handwriting and voice input, ability to provide good visibility in low and bright light and so on all play a very important role. At the same time, many knowledge workers can be well served by consumer grade devices such as PDAs an smart phones, however, many IT considerations still apply. For example, guarding against device loss, over the wire device provisioning, support by the chosen carrier and ability to get support while out of the territory of the network carrier (roaming). 9 Mobile Devices Operating systems • Windows XP Tablet PC Edition • Windows CE: Windows Mobile 2003, Windows Pocket PC Phone Edition, Windows Mobile 2005 • RIM BlackBerry OS • Palm OS • Symbian • Linux 10 Unlike the world of the PCs and servers, the choice of the operating system for the device is not nearly as important. The choice of the OS is almost always made by the device manufacturer. Therefore device operating system is pretty much determined by the choice of he form factor. For example, choosing to use Tablet PC almost guarantees that Windows XP Tablet PC Edition will be the target device operating system. On the other hand, choosing a function specific data terminal will most likely mean that a variant of Windows CE will be running on the device.
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