I am really thinking that a differentiation needs to be made in types of programme content and destination or target audiences. The BBC is and always was for the British public and their information and education. Walled pay gardens have been being used as a means of cutting up the internet into commercially exploitable properties in order to feed capitalism. In order for the BBC to go forward as public service broadcaster I think the following differentiations need to be made.
All news programmes, science programmes, and educational programmes should be made free to UK residence an accessible to UK ISP clients. These should be published as MP4 using HTML <video> tag elements. By doing traceroutes to find pulling IP sources it can be established that the source is not VPN gaining access from abroad. Access to this programming should be made available to world wide users by a paywall with payment via VISA, PayPal, or other forms of payment.
Programmes such as dramas and other content again can be ascertained to as to the source requesters location via internet ICMP protocol (as used by traceroute tool technology) and paywalls can be established for this content, avoiding the exploitation via VPN access.
Programmes can still be published using DRM but even this is defeated by simple freeware available on the internet for no charge.
And BBC World Service can continue and be expanded publicising and advertising the good science programmes, educational programmes and dramas as part of their content. Free programmes with good exemplary content should also be provided as tasters to attract a good audience and add to their edification.
Open Source Software Engineer, Amateur Computer Scientist, and Information Theorist