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“When wire-less meets Internet”: options and trends of embedded internet

“When wire-less meets Internet”: options and trends of embedded internet. dr. J.J. Lukkien Eindhoven Embedded Systems Institute Eindhoven University of Technology ir. M.F.A. Manders ir. P.J.F. Peters prof.dr.ir. L.M.G. Feijs. Overview. Examples Enablers, technology

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“When wire-less meets Internet”: options and trends of embedded internet

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  1. “When wire-less meets Internet”: options and trendsof embedded internet dr. J.J. Lukkien Eindhoven Embedded Systems Institute Eindhoven University of Technology ir. M.F.A. Manders ir. P.J.F. Peters prof.dr.ir. L.M.G. Feijs

  2. Overview • Examples • Enablers, technology • Options (opportunities) of embedded internet • Complications • (Trends) • Conclusion

  3. DVD player (Philips Research) • Bug fixing • New version of software

  4. Feeding the fish... • Monitor • Control

  5. Using a regular camera • Take pictures • Extract and change film • Bring film to shop for development • Pick up developed material • Repeatedly: • View pictures [may require projector/TV] • Archive the pictures • Take pictures out of archive

  6. Internet Using a digital camera • Take pictures • Extract and change storage medium • Load pictures into larger archive • Repeatedly: • Take pictures out of archive • View pictures [requires computer/TV] • Archive the pictures

  7. Recent developments • Bluetooth • wire-less, short-range (+/- 10m) • connects groups of at most 8 devices • acts as a digital link (transports bits) • GPRS • wire-less, long-range as GSM • connects directly to the internet • acts as a packet link (transports IP packets or X.25)

  8. Internet bluetooth GPRS Using a digital camera • Take pictures • Extract and change storage medium • Load pictures into larger archive • Repeatedly: • Take pictures out of archive • View pictures [requires computer/TV] • Archive the pictures

  9. Requirements • Solving the “last-meter problem”: • standardization: fire-wire, usb, ethernet, LON, bluetooth, hiperlan, dect, GPRS • automatic wire-less connection: bluetooth, dect?, hiperlan or long distance: GPRS • Standardization of information transport protocol: IP, IP, IP Embedded system: camera, aquarium electric appliance TV set Internet IP Terminal (wall outlet, PC)

  10. Technology Hardware • Evolution: wire for long distance, wire-less for short distance • Need to reconcile different interfaces: “gateway” Software • As soon as it speaks IP, it can communicate with the rest of the world and benefit from existing internet technology (IP - TCP/UDP - FTP - HTML - JAVA)

  11. Options of embedded internet • Telemonitoring and control • Software download • Intelligent behaviour

  12. Option: telemonitoring en control • On-off control for energy and emergency • Adjustment of process-control parameters • Status monitoring and data collection • billing • statistics • quality control • production data • fleet management • remote diagnostics • back-up and recovery • planning of maintenance Different value for user/owner and manufacturer/retailer

  13. Monitoring quality of water(Turnkiek)

  14. Option: software download • Bug fixing • Customisation • Product family architecting • Software component marketing • Selling new features in software • Incremental delivery of software • perhaps: platform independent code • uploads: platform independent GUI • general: follow Internet developments XML, Java, VRML, facial and voice-based user-interfaces, etc. Different value for owner and manufacturer

  15. Request connection Program code Platform independent: • Code • Graphical user interface Embedded system Remote user …embedded Java, GUI classes, browsers

  16. Option: intelligent behaviour • Using data resources on the web • customer behaviour analysis • competitor behaviour analysis • environmental data • raw material costs • traffic predictions • weather predictions • Connecting to other embedded systems • warehousing • just-in-time delivery • caching and sharing of large data sets • enhance “user experience”

  17. on! off! “intervention” Complications • Security • Feature interaction • Performance

  18. “intervention” Complication: security • Data confidentiality • Access control and authentication • User-friendliness of key handling • Keeping pace with hackers and crackers • Respecting national +international regulations • Keeping pace with trends and standardisation DES, RSA, PGP, AES, firewalls, etc.

  19. on! off! Complication: feature interaction • many new possibilities and options • several access levels for users • multiple simultaneous users • distribution

  20. Complication: performance • robustness and locality of control loops • in principle, IP does not guarantee (timely) delivery of packets • critical control loops only across “owned” lines • speed +predictability of high-level languages • size and costs of processor(s) • locking and transaction management

  21. Trends at the 1999 San JoseEmbedded Internet Workshop • future of embedded internet • embedded web servers • real life applications • embedded XML/HTML • application development • embedded web hardware • embedded Java • achieving web security • embedded web databases

  22. Trend: it is predicted that embedded Internet will happen • post PC era, smart devices • more devices on the Internet than people by 2003 • average # microprocessors in a home rises from 63 to 250 • low cost wireless connectivity will be a driving enabler • niche vertical players may be the initial adopters for new technology such as Java

  23. Automatiseringsgids, 15-9-2000

  24. Trend: embedded server considered a key component • Allegro RomPager • 50K ROM + 10K Ram for typical system • runs on RTOS, OS-9, VxWorks, QNX • RapidControl BackplaneTM • kind of data-dictionary that mediates access to embedded data • support for Telnet, HTTP, XML, set/get from remote Java • PicoWebTM server • 25$ PCB + 16K I2C EEPROM • various IO ports • support for CGI, HTML, JPEG

  25. Request connection Program code Platform independent: • Code • Graphical user interface Embedded system Remote user …embedded Java, GUI classes, browsers

  26. Trend: claiming the world’s smallest web server • Internet Tuner(R) by iReady • 1.5’’ x 1.375’’ • Seiko S7600 chip does TCP, IP, UDP, 50K • PIC processor at 7.3 Mhz • Web server in 200 bytes • HTML page in 400 bytes

  27. Trend: many new companies • Automata International Marketing, • National Instruments, • Lightner Engineering, • Concur System Technologies, • PC Soft International, • Enikia, Intrinsyc, Object Technology, Inc., US Software Corp., Insignia Solutions, IP Solutions Corp., Norscan, iReady Corp., Microware Systems Corp., Certicon Corp., emWare Inc., Oracle Corp, Sybase, Circuit Cellar.

  28. Trend: following the developments of Sun, Microsoft and Netscape • high interest in lightweight Java versions • interest in Jini and DCOM • interest in SSL • final observation: the embedded systems will not be stand-alone, but need server support because of resource constraints and for software download

  29. Conclusion • Developments are already going fast but... • When short-range wire-less connections become widely available, it will go really fast • Wire will remain in use for wide-band, long-distance information transport • Use standards, especially in software • IP should go into the embedded system

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