The innovation provided by network virtualization in 5G, together with standardization and
openness boosted by the Open Radio Access Network (O-RAN) Alliance, has paved the
way to a collaborative future in cellular systems, driven by flexible network sharing. Such
advents are expected to attract new players like content providers and verticals, increasing
competitiveness in the telecom market. However, scalability and trust issues are expected to
arise, given the criticality of ownership traceability and resource exchanging in a sharing …

The innovation provided by network virtualization in 5G, together with standardization and
openness boosted by the Open Radio Access Network (O-RAN) Alliance, has paved the
way to a collaborative future in cellular systems, driven by flexible network sharing. Such
advents are expected to attract new players like content providers and verticals, increasing
competitiveness in the telecom market. However, scalability and trust issues are expected to
arise, given the criticality of ownership traceability and resource exchanging in an open RAN …