A
Pascal extension for formal specification of computer
network protocols. Protocols are described by
modules which are communicating
NFAs. Modules are arranged in a dynamic hierarchy and communicate at named interaction points.
EstPC (ftp:osi.ncsl.nist.gov/pub/osikit/estpc) Compiles Estelle into C.
petdingo Translates Estelle into C++
Adopted by
ITU-T. ISO 9074 (1989).
["The Formal Description Technique Estelle", M. Diaz et al eds, N-H 1989].