Linked by Thom Holwerda on Mon 22nd Oct 2007 13:48 UTC
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Member since:
2006-03-20
I keep posting it whenever this topic is being talked about.
WOW64 is proof, shipped with any 64bit Windows, that it's entirely possible to run two different userlands (more like subsystems) on the same kernel. There's a full 32bit subsystem installed to run any 32bit application, and apart from messaging, the 32bit subsystems runs completely on its own, only sharing the kernel as common code.
Nothing speaks against a completely new main subsystem, keep the old one running side by side for "legacy" applications. Glue put where needed (i.e. windowing).
Alternatively, Microsoft could take a clue from Solaris Zones, if there's a more heavy-handed approach needed (quasi full hosting of an operating system), which is still lightweight in regards to resource sharing.