Regarding NDMP redirected Restore

Hi All,

I need your feedback which approach is much better as we need to trasnfer the Data from EMC storage Box to Netapp Fas Box due and we are using Netbackup as the migration tool .

1) Will take the NDMP backup from EMC box and perform the redirected restore to Netapp Box

2) Use SLP to copy the data from from volume to another volume 

Our consideration is only time as we need to complete the migration asap , only concern I am having that once using SLP if I decommsioned the EMC box and make Netapp as primary ??? 

Pardon me if my question is not valid 

Regards

Rohit S Nayal