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The Wearable
Application Server


         Holly Cummins
      cumminsh@uk.ibm.com
         @holly_cummins




                            © 2009 IBM Corporation
“Computers in the future may weigh
no more than 1.5 tons.”
                       Popular Mechanics,
                                    1949




                                    © 2012 IBM Corporation
“I think there is a world market for
maybe five computers.”
                            Thomas Watson
                           chairman of IBM
                                       1943




                                       © 2012 IBM Corporation
Then: HARDware




                 © 2012 IBM Corporation
Now: Everyware




                 © 2012 IBM Corporation
“If your background is in the
programming of PCs or even more
powerful computers, a fair warning:
embedded programming for low-cost
devices means working with very
limited resources ...”



                                 © 2012 IBM Corporation
“... This is in shocking contrast with
the World Wide Web, where
technologies usually seem to be
created with utmost inefficiency as a
goal...”




                                    © 2012 IBM Corporation
“... Embedded programming requires
more careful consideration of how
resources are used than what is needed
for PCs or servers...”




                                   © 2012 IBM Corporation
“... Embedded platforms only provide
small sub- sets of the functionality of
their larger cousins, which may require
some inventiveness and work where a
desired feature is not available
directly.”



                                    © 2012 IBM Corporation
June, 2011




         © 2012 IBM Corporation
Spot the difference

■   Netduino Plus     ■   Raspberry Pi




                                         © 2012 IBM Corporation
Spot the difference

■   Application server, circa   ■   Application server, circa
    2010                            2012




                                                        © 2012 IBM Corporation
What's it good for?




                      © 2012 IBM Corporation
What's it good for? (ii)




                           © 2012 IBM Corporation
Ubiquitous computing++




                         © 2012 IBM Corporation
Old new-world

■   Mobile technology a trend only on the client-side
■   Why?
■   Clients are mobile
■   Servers are not mobile
     –Obviously




                                                        © 2012 IBM Corporation
New new-world

■   Servers are lightweight
■   Seriously - they literally don't weigh much
■   Move from location-based services to locate-able
    services




                                                       © 2012 IBM Corporation
WAS Liberty Profile

■   New in WebSphere Application Server 8.5
■   Free for developers
■   Free tools
■   Very very lightweight
     –50 MB download
     –Starts in under 5s

■   Entirely modular and dynamic

                                              © 2012 IBM Corporation
Where can WebSphere Liberty profile go?




                            Nexus 7 tablet
                            Asus Transformer

                                      © 2012 IBM Corporation
Where can WebSphere Liberty profile go?




                         Old Android phone




                                      © 2012 IBM Corporation
Where can WebSphere Liberty profile go?


                            Raspberry Pi




                                      © 2012 IBM Corporation
Introducing the Raspberry Pi

■   £25
■   £25!
■   1.6 oz
■   700 MHz ARM 11 processor
■   256 MB RAM (shared with GPU)
■   Up to 4 GB SanDisk

                                   © 2012 IBM Corporation
WebSphere and the Cloud

     Density
                                       Elasticity


                             ■   Small kernel
■   50 MB download           ■   Dynamically enable and
                                 disable features
■   60 MB memory footprint
    for biggish JEE app      ■   Zip up server image
                                  –Apps
                                  –Configuration
                                                    © 2012 IBM Corporation
Modularity and dynamism




                          © 2012 IBM Corporation
WebSphere and Developers

■   Fast startup                                  No restarts!

■   Easy download
     –Download tools from Eclipse Marketplace
       • Tools can download server
     –Or just download server from wasdev.net

■   Nice tools
■   Lovely config
     –Convention over configuration
     –Simple to store in version control
     –Re-usable snippets can be imported
     –Common configuration can be stored at URL                  © 2012 IBM Corporation
Yes, but what about the hat?

■   And why on earth would you want to do that?
■   'True' location-based service
     –Expose services to users in vicinity of server




                                                       © 2012 IBM Corporation
Demo-time




            © 2012 IBM Corporation
Any questions?

       www.wasdev.net




                        © 2012 IBM Corporation

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The Wearable Application Server - Holly Cummins

  • 1. The Wearable Application Server Holly Cummins cumminsh@uk.ibm.com @holly_cummins © 2009 IBM Corporation
  • 2. “Computers in the future may weigh no more than 1.5 tons.” Popular Mechanics, 1949 © 2012 IBM Corporation
  • 3. “I think there is a world market for maybe five computers.” Thomas Watson chairman of IBM 1943 © 2012 IBM Corporation
  • 4. Then: HARDware © 2012 IBM Corporation
  • 5. Now: Everyware © 2012 IBM Corporation
  • 6. “If your background is in the programming of PCs or even more powerful computers, a fair warning: embedded programming for low-cost devices means working with very limited resources ...” © 2012 IBM Corporation
  • 7. “... This is in shocking contrast with the World Wide Web, where technologies usually seem to be created with utmost inefficiency as a goal...” © 2012 IBM Corporation
  • 8. “... Embedded programming requires more careful consideration of how resources are used than what is needed for PCs or servers...” © 2012 IBM Corporation
  • 9. “... Embedded platforms only provide small sub- sets of the functionality of their larger cousins, which may require some inventiveness and work where a desired feature is not available directly.” © 2012 IBM Corporation
  • 10. June, 2011 © 2012 IBM Corporation
  • 11. Spot the difference ■ Netduino Plus ■ Raspberry Pi © 2012 IBM Corporation
  • 12. Spot the difference ■ Application server, circa ■ Application server, circa 2010 2012 © 2012 IBM Corporation
  • 13. What's it good for? © 2012 IBM Corporation
  • 14. What's it good for? (ii) © 2012 IBM Corporation
  • 15. Ubiquitous computing++ © 2012 IBM Corporation
  • 16. Old new-world ■ Mobile technology a trend only on the client-side ■ Why? ■ Clients are mobile ■ Servers are not mobile –Obviously © 2012 IBM Corporation
  • 17. New new-world ■ Servers are lightweight ■ Seriously - they literally don't weigh much ■ Move from location-based services to locate-able services © 2012 IBM Corporation
  • 18. WAS Liberty Profile ■ New in WebSphere Application Server 8.5 ■ Free for developers ■ Free tools ■ Very very lightweight –50 MB download –Starts in under 5s ■ Entirely modular and dynamic © 2012 IBM Corporation
  • 19. Where can WebSphere Liberty profile go? Nexus 7 tablet Asus Transformer © 2012 IBM Corporation
  • 20. Where can WebSphere Liberty profile go? Old Android phone © 2012 IBM Corporation
  • 21. Where can WebSphere Liberty profile go? Raspberry Pi © 2012 IBM Corporation
  • 22. Introducing the Raspberry Pi ■ £25 ■ £25! ■ 1.6 oz ■ 700 MHz ARM 11 processor ■ 256 MB RAM (shared with GPU) ■ Up to 4 GB SanDisk © 2012 IBM Corporation
  • 23. WebSphere and the Cloud Density Elasticity ■ Small kernel ■ 50 MB download ■ Dynamically enable and disable features ■ 60 MB memory footprint for biggish JEE app ■ Zip up server image –Apps –Configuration © 2012 IBM Corporation
  • 24. Modularity and dynamism © 2012 IBM Corporation
  • 25. WebSphere and Developers ■ Fast startup No restarts! ■ Easy download –Download tools from Eclipse Marketplace • Tools can download server –Or just download server from wasdev.net ■ Nice tools ■ Lovely config –Convention over configuration –Simple to store in version control –Re-usable snippets can be imported –Common configuration can be stored at URL © 2012 IBM Corporation
  • 26. Yes, but what about the hat? ■ And why on earth would you want to do that? ■ 'True' location-based service –Expose services to users in vicinity of server © 2012 IBM Corporation
  • 27. Demo-time © 2012 IBM Corporation
  • 28. Any questions? www.wasdev.net © 2012 IBM Corporation