Node is vCenter Management Node
like I deploy PSC (which has SSO, VMCA etc..)
and now I deploy vCenter Server Management Node and link it with PSC.
if this is Embedded deployment than PSC and vCenter Management Node are part of the same host.
if you are doing External PSC deployment than management node is a different machine.
Narendra Padmani
VCIX6-DCV | VCIX7-CMA | VCI | TOGAF 9 Certified