It's no secret that Sky wants BT and Openreach split up. When Ofcom announced its new review of the UK telecommunications industry, the broadcaster said "structural separation" was vital to address what it perceives as a conflict of interest. Now that the investigation is underway, Sky has published its submission in full with a crucial recommendation: to upgrade the case to a "market investigation reference" with the Competition and Markets Authority (CMA). The company argues that the relationship between BT and Openreach is reducing competition and limiting providers like Sky with its inadequate service. Were the CMA to set up its own inquiry, it could, depending on the outcome, lead to a forced separation of BT and Openreach -- something both parties are keen to avoid.