Source: The Wrestling Observer Newsletter
WWE is reportedly discussing what they will air on the WWE Network while RAW and SmackDown are on TV. They are said to be discussing potential segments similar to what is seen on the WWE App for the network. As previously noted, there are plans for pre and post shows for both RAW and SmackDown.
There are also ideas floating around like guest panelists during RAW. The panelists would include former WWE and Hall of Fame Superstars.