The term hub-and-spoke system is identified in base64 scheme by the sequence aHViLWFuZC1zcG9rZSBzeXN0ZW0=, while the MD5 signature is equal to e988ce2ab3e4eb52583185e8519e3ca9. The ASCII encoding of hub-and-spoke system in hexadecimal notation is 6875622d616e642d73706f6b652073797374656d.