 For bank A to send a message to bank B with a copy or authorization with institution C, it formats the message according to standard and securely sends it to SWIFT.SWIFT guarantees its secure and reliable delivery to B after the appropriate action by C. SWIFT guarantees are based primarily on high redundancy of hardware, software, and people.During 2007 and 2008, the entire SWIFT network migrated its infrastructure to a new protocol called SWIFTNet Phase 2.