I'll just add one more comment...I really should read all the replies before 
posting mine!

As Suresh and Timothy wrote, you can run zAAP workloads on zIIPs, if you don't 
have any zAAPs installed.  This is commonly called "zAAP on zIIIP"...I imagine 
the vernacular will change as will the CPU names once this is sorted out, 
probably in the next iteration of the zServer....in 2015?

You can assign physical zIIPs and zAAPs (managed by PR/SM) as logical zIIPs and 
zAAPs to a z/VM LPAR, and then assign them as virtual zIIPs and zAAPs (managed 
by z/VM) to a z/OS guest; and as was pointed, out ICFs and PUs characterized as 
extra SAPs can also be assigned to a z/VM LPAR.

I use the term "Native Linux" to mean "Linux on System z running in LPAR mode." 
 There, I avoided using "z/Linux", but it's a mouthful.  I don't know many 
people who do this because: 1) (and I insert "arguably" here gentle reader in 
anticipation of the outrage!) Linux is usually used for smaller applications 
and some visualization really makes sense; and 2) z/VM can manage memory, 
paging, and I/O better than Linux can on System z.  So we have "Linux in LPAR 
mode", and "Linux as a guest under z/VM".   I know IBM wants to continue to 
reassure customers that "it's real Linux"... but what's in a name?

Cheers,

Jon Butler

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