> Decentralization usually brings more duplication of data. While this is true this could be vastly reduced if the internet supported source-specific IP multic

> Decentralization usually brings more duplication of data. While this is true this could be vastly reduced if the internet supported source-specific IP multicast (SSM). That way even a small box in someone's basement hosting a single copy of some niche content could serve thousands worldwide. Alas, multicast is hard and incentives are not in favor of making it available to the end-user even in limited scopes.