The present invention relates to a connecting system for providing a fluidic connection, preferably between containers, wherein the connecting system comprises at least two connecting arrangements configured to provide the fluidic connection, namely a first connecting arrangement and a second connecting arrangement, which in an initial state are each fluidically sealed, wherein the first connecting arrangement comprises an, in particular, film-like, brittle and/or unstable opening region, is deformable outside the opening region and is configured such that the deformation causes the first connecting arrangement to open in the opening region.
