SVM Security best practice

Hi all

Does someone know repercution security network or security breach for this 2 methods :

2 SVM  with 2 LIF ,  one lif per SVM and 1 vlan per lif  

and

1 SVM with 2 LIF (on the same SVM)  with export policy for filter by ip/client match.

Does somewhere we should found this KB /  Best Practice.

Thanks

Regards