Dlc architecture

Unreal Pak:

• Tool to bundle assets into a pak file: https://answers.unrealengine.com/questions/105923/downloadable-content-1.html

• Streaming Pak file from network:

• https://answers.unrealengine.com/questions/109485/stream-an-asset-from-the-internet.html

• https://github.com/moritz-wundke/AsyncPackageStreamer