This volume presents the latest research worldwide on communications protocols, emphasizing specification and compliance testing. It presents the complete proceedings of the fifteenth meeting on `Protocol Specification, Testing and Verification' arranged by the International Federation for Information Processing.

Preface. Committee members and invited speakers. List of referees. Specification and verification: time-dependent analysis. Invited paper. Specification of concurrent systems. Testing. Specification and verification: temporal approach. Validation and testing. Specification and analysis. Verification: model checking. Invited paper. High speed/multimedia. Towards implementation. Index of contributors. Keyword index.