Methods and apparatus for secure electronic, certified, restricted delivery mail systems

摘要: A computer data signal embodied in a propagation medium is provided. The enables variable number of transfers and includes an initial connection source code segment transfer segment. establishes between at least two devices via predetermined listening ports, with one port residing within each device. also dynamically assigns first device, transmits the address to remaining device ports. for operations. corresponding second connected ports so that substantially simultaneously transferred Each pair established response connection.