https://www.theregister.co.uk/2019/10/08/virtual_irish_border_requires_data_and_tech_not_yet_available_mps_told/

A "virtual" solution to the Irish border problem arising from Brexit relies on data that has not yet been amassed and technology yet to be available, MPs heard today.

In the Home Affairs Committee hearing into Home Office preparations for Brexit, Shanker Singham, chair of the Prosperity UK thinktank-backed Alternative Arrangements Commission, and Tony Smith, expert on border management and security for the panel, were quizzed on the current border proposals.