A PC on every desk
Probably, one of the biggest error in
   the information technology era




         Smaller footprint,...
PC: a downsized mainframe

   Same Von Neumann architecture: ALU, registries,
    memory, I/O, interrupts, HD, other devi...
User. Not a system engineer
   Typical user doesn’t - and must not - have the
    expertise necessary for everyday mainte...
Maintenance schedule
Best practices for a healthy PC (at least once in a
 week)
  o   Run antivirus & spyware removal tool...
Is Windows faulty ?
No, but:
 The more the third party applications you add to the
  systems the more it becomes fragile ...
The solution ?




                 6
Time machine: back to 80s
What would have happened in a real world




                                    Geek
          ...
Back to the future



                       “Closed”
  Cloud     Midrange                 SaaS
                       dev...
Cloud Computing
 Put back the platform's management issues in
  the hands of the experts
 OPEX: pay per use

 SLA: supp...
Midrange systems
 Kind of “private cloud”
 Ideal solution for “single-server” companies

 Centralized model

 Bring ba...
Legacy UI (User Interface)
 Too often the wrong reason behind the abandon
  of a midrange reliable system
 Modern tools ...
The one-size-fits-all model doesn’t apply




                  Midrange Server
iPad
 Closed platform
  o Runs only certified applications
 Almost whatever could be a source of problems
  has been rem...
SaaS applications
Google Docs - Office Live
 All you needs is a browser

 Data are stored “somewhere” in the Cloud
  o  ...
Slim OSs
Chrome OS, iPhone OS, Windows EC 7, Ubuntu light,
  ecc
 New Operating Systems designed to work exclusively
  wi...
www.evog.it

            tom.presotto@evog.it   16


June 2010
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A pc on every desk. A big mistake.

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A PC is a too complex architecture to be given to every users. A “pc on every desk” probably was one of the biggest mistakes in the information technology era.

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A pc on every desk. A big mistake.

  1. 1. A PC on every desk Probably, one of the biggest error in the information technology era Smaller footprint, same 1 complexity
  2. 2. PC: a downsized mainframe  Same Von Neumann architecture: ALU, registries, memory, I/O, interrupts, HD, other devices  Same pile of sftw stacks: microcode, OS, drivers, system services, DB, applications  Together with: o The difficulty, for a typical user, to run, administer, maintain and fine tune the system 2
  3. 3. User. Not a system engineer  Typical user doesn’t - and must not - have the expertise necessary for everyday maintenance of his “working tool” 3
  4. 4. Maintenance schedule Best practices for a healthy PC (at least once in a week) o Run antivirus & spyware removal tools o Install the latest updates o Backup the entire system o Encrypt confidential data o Check for errors and backup your local mailbox file o Run utilities to check for dangerous problem like the “rootkit” infection o Check for unwanted applications/services that eat system resources o Check the hard disk for volume errors o Continue ….. 4
  5. 5. Is Windows faulty ? No, but:  The more the third party applications you add to the systems the more it becomes fragile and prone to crashes.  Like any complex architecture it requires an accurate and constant maintenance  Internet can be a dangerous source of, virus, spyware, malaware, ecc  Many users downloads and install uncertified and untested applications from the web It was not designed to be a “closed” platform centrally managed by a team of expert 5
  6. 6. The solution ? 6
  7. 7. Time machine: back to 80s What would have happened in a real world Geek Open platform User Closed & specialized platform 7
  8. 8. Back to the future “Closed” Cloud Midrange SaaS devices: computing systems applications iPad 8
  9. 9. Cloud Computing  Put back the platform's management issues in the hands of the experts  OPEX: pay per use  SLA: support & maintenance fees are based on the reliability index needed  Platform-free clients: any combination of hardware & software able to run a web browser 9
  10. 10. Midrange systems  Kind of “private cloud”  Ideal solution for “single-server” companies  Centralized model  Bring back the complexity into the “computer room”  No more “personal” workstations  End of company data stored on users’ disks  Low-TCO terminals  SOA approach to integrate third party “SaaS” solutions 10
  11. 11. Legacy UI (User Interface)  Too often the wrong reason behind the abandon of a midrange reliable system  Modern tools allows easy UI to GUI mapping  Not always a modern GUI is the right choice o 5250-UI is still the fastest way for data-entry operators  Multi-touch screens, hand-gestures or eye- movements recognition devices can be easily “connected” using SOA Web Services to access the Business Logic components. 11
  12. 12. The one-size-fits-all model doesn’t apply Midrange Server
  13. 13. iPad  Closed platform o Runs only certified applications  Almost whatever could be a source of problems has been removed by design  Easy to use  Geeks hate it  Keegs (opposite of Geek) love it 13
  14. 14. SaaS applications Google Docs - Office Live  All you needs is a browser  Data are stored “somewhere” in the Cloud o Accessible everywhere from any device 14
  15. 15. Slim OSs Chrome OS, iPhone OS, Windows EC 7, Ubuntu light, ecc  New Operating Systems designed to work exclusively with Web Applications  Google Chromoting o Chrome OS extension to run "legacy PC applications" right in the browser Services Present OS Browser Light OS Services Browser 15
  16. 16. www.evog.it tom.presotto@evog.it 16 June 2010

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