Security, Persistence, and Reflection (was: Shared address space...)

[Chris Bitmead uid(x22068)]

>MMUs are very expensive beasts that cost a lot in silicon,

How will you implement POS without a MMU? How will you implement a
virtual memory system without MMU?

>[Side note: Chris Bitmead talked about authentification
>of binary code by the system. Indeed, only authorized code
>may be executed, and only authorized meta-objects may produce
>authorized code. Such meta-objects could include compilers,
>cryptographic signature verifiers, etc; but if we trust the persistent store,
>this only needs be done once per binary object]

Yes we need all objects to have an immutable flag that can't be
changed.