What is the difference between app slimming and packet compression?

App Slimming

Optimize the files in the app files, use the stretch of the footage, eliminate unnecessary files, optimize PNG, JPG footage, compress audio and video footage, and so on to reduce the app file. Packet Compression Technology

The so-called package compression, as the name implies is to move the volume of the package of the hand travel smaller. Hand-travel third-party service providers-love encryption of the package body Compression service has been able to do without affecting the content and quality of the game itself, so that the original package to compress the maximum of 80%.

The unity3d5.0 version of the following engine development of the game, the resource segmentation, effectively reduce the volume of the package, while not affecting the player's body and game performance quality, the first 10 minutes to play the game to load all the resources of the play-free game mode, to achieve effective slimming body volume.

Love encryption proposed by hand packet compression technology is now put into use, can be specific to understand the comparison.