Valve has a renewed retrieval system for Steam announced, that makes use of http instead of a proprietary protocol. The Steam client will by the new system also improved on several points.
The Steam client will, in due time, new opportunities are offered by the introduction of the new retrieval system. Valve promises the scheduling and prioritization of downloads, the control of bandwidth usage and the download of an update while the game is played. The update is then carried out once the game is closed.
With the changes in the retrieval system Valve has the opportunity to Steam-tools for developers and publishers to improve. According to Valve it is for these parties has become easier to get a game on Steam to release and update. The new retrieval system is to use for HD videos on Steam are offered. Games and other content will follow later, according to Valve will Dota 2 using the new retrieval system will be offered.