PORTLAND, Ore.--(BUSINESS WIRE)--The Digital Living Network Alliance (DLNA®) today announced it has certified the first wave of products from its members that support advanced fast-forward, re-wind and frame-by-frame playback capabilities which are now a mandatory feature of DLNA Guidelines that enable networked devices to share pictures, music and videos. The “trick mode” specifications are also an integral feature of DLNA’s VidiPath™ Guidelines for viewing subscription TV content on multiple