Source : Free On-Line Dictionary of Computing

Avalon/C++
     
         A {concurrent} extension of {C++} with
        servers and transactions developed in 1986 for
        {fault-tolerant} {distributed} systems.  Avalon/C++ was
        influenced by {Argus}.
     
        ["Camelot and Avalon: A Distributed Transaction Facility",
        J.L. Eppinger et al, Morgan Kaufmann 1990].
     
        (2002-01-13)