Network in the future Circuit switching inside OXC: optical cross-connect core network Segregant Packets Packet 1 Core Network Aggregating Packets Packet 2 Packet 1 OXC Access Packet 4 Packet Network uter OXC Network Packet 1 Network Packet 2 Access Packet 3 NetworkNetwork in the Future Circuit switching inside core network OXC: optical cross-connect 5