Solution : https://service.sap.com/sap/support/notes/1726899 (SAP Service marketplace login required)
Key words : 
download catalog - support packages & patches    -> sap frontend components      -> sap igs helper applications        -> sap igs helper          -> # os independent            -> igshelper_, download catalog - support packages & patches    -> sap frontend components      -> sap igs        -> sap igs 7, <local_directory> /data_units/k_710_uv_<os platform>               <local_directory> /data_units/k_710_ui_<os platform>               - sap netweaver 7, <local_directory> /data_units/k_710_nv_<os platform>               <local_directory> /data_units/k_710_ni_<os platform>               - sap netweaver 7, <local_directory> /data_units/k_711_uv_<os platform>               <local_directory> /data_units/k_711_ui_<os platform>               - sap netweaver 7, download catalog - support packages & patches    -> additional components      -> sap kernel 64-bit <unicode>        -> sap kernel 7, <local_directory> /data_units/k_711_nv_<os platform>               <local_directory> /data_units/k_711_ni_<os platform> 3, 20 <ext> 64-bit <unicode>          -> <os_platform>            -> oracle              -> dbatl<release><ora-release>, 21 <ext> 64-bit <unicode>          -> <os_platform>            -> #database independent              -> sapexe_, local work directory <local_directory>
Related Notes : 
       
| 1716826 | Usage of the downward compatible kernel 721 (EXT) | 
| 1713986 | Installation of kernel 721 (EXT) |