Communicating sequential processes
Communicating sequential processes
Formal specification of telephone systems in LOTOS: The constraint-oriented style approach
Computer Networks and ISDN Systems
ACM Transactions on Programming Languages and Systems (TOPLAS)
The B-book: assigning programs to meanings
The B-book: assigning programs to meanings
Using Formal Description Techniques: An Introduction to Estelle, Lotos, and SDL
Using Formal Description Techniques: An Introduction to Estelle, Lotos, and SDL
A Calculus of Communicating Systems
A Calculus of Communicating Systems
Feature Interactions in Telecommunications Networks IV
Feature Interactions in Telecommunications Networks IV
Feature Interactions in Telecommunications Systems
Feature Interactions in Telecommunications Systems
Fundamentals of Algebraic Specification I
Fundamentals of Algebraic Specification I
Applying the B Technologies on CICS
FME '96 Proceedings of the Third International Symposium of Formal Methods Europe on Industrial Benefit and Advances in Formal Methods
Feature interactions: a mixed semantic model approach
IW-FM'97 Proceedings of the 1st Irish conference on Formal Methods
Service specifications: to B, or not to B
FMSP '98 Proceedings of the second workshop on Formal methods in software practice
Formal Modelling of Services for Getting a Better Understanding of the Feature Interaction Problem
PSI '99 Proceedings of the Third International Andrei Ershov Memorial Conference on Perspectives of System Informatics
Playing with Abstraction and Refinement for Managing Features Interactions
ZB '00 Proceedings of the First International Conference of B and Z Users on Formal Specification and Development in Z and B
Interference Analysis for Dependable Systems Using Refinement and Abstraction
FME '02 Proceedings of the International Symposium of Formal Methods Europe on Formal Methods - Getting IT Right
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This paper presents the specification of telecommunication services using B abstract machines, and it defines the feature interaction problem as an interference issue among processes sharing common resources. The work reported here is experimental in nature as we explore the way in which to use the B method to tackle the feature interaction problem in telecommunication services. The B method is a tool for specifying, refining and developing systems in a mathematical and rigorous, but simple, way. Services are specified using the B method and the feature interaction problem is modeled as a violation of invariant properties. The B method is supported by software that helps the specifier of services and features. We have not only modeled services within the B technology, but we have also extended the B methodology with a novel way of combining abstract machines.