Bureaucrats, dave_user, Administrators
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→Limitations of traditional configurations
*# communicate via asynchronous mechanisms
*# share data
* REQ5 ''integrity'': W1 - also known as ''Secure world'' or ''Trust world'' - must guarantee a high reliability level, no matter how the other world behaves; in other words, W1 can not be altered by any kind of actions taken by the code executed in W2 (also called ''Non-secure world" '' or ''Non-trust world'')
* REQ6 ''boot order'': W1 must be the first world to come up
* REQ7 ''master-slave relationship'': once the system has completed boot process, a master-slave relationship must be established between W1 and W2, in the sense that W1 must have complete control of W2 world (for instance W1 must be able to force the complete reboot of the GPOS.