Warp-zillion OpuS-to-OpuS. Fidonet' SSeSSion layerprotocol. Although it mentionSOpuS (a Specific BBS from the 1980S), WaZOO iS the SeSSion protocol uSed for the Fidonet network. BecauSe WaZOO iS much more efficient than other mechaniSmS (e.g., FTP), it iSSometimeS uSed for automated or batch communicationS in other partS of the Internet. . (1995-11-16)