AllShare lets you integrate all devices Samsung Smart through the Wi-Fi connection. You can on your TV, see the videos and photos that are on your computer without the need to use pendrive, External hard drive or connect a computer cable TV.
Newer devices are using the system Samsung Link, which makes sharing your files with all Samsung Smart devices, but this only happens with the use of internet. So if your internet is in trouble and stay out all day you will not be able to make this integration between your devices, even those who are connected to the internal network.