Are you having trouble reading context?

No, I’m not applying 2005 security, I’m saying NFS hasn’t evolved much since 2005, so throw it in a dedicated link by itself with no other traffic and call it a day.

Yes, iscsi allows the use of mounted luns as datastores like any other, you just need to use the user space iscsi driver and tools so that iscsi-ls is available. Do not use the kernel driver and args. This is documented in many places.

If you’re gonna make claims to strangers on the internet, make sure you know what you’re talking about first.