Development of an atomic-broadcast protocol using LOTOS
Software—Practice & Experience
Telecommunication software development using SDL-92: practical experience
ICECCS '96 Proceedings of the 2nd IEEE International Conference on Engineering of Complex Computer Systems
Implementation of UMTS protocol layers for the radio access interface
SAM'02 Proceedings of the 3rd international conference on Telecommunications and beyond: the broader applicability of SDL and MSC
Design and implementation of W-CDMA radio interface protocols using SDL development environments
CIC'02 Proceedings of the 7th CDMA international conference on Mobile communications
SDL design and performance evaluation of a mobility management technique for 3GPP LTE systems
SDL'07 Proceedings of the 13th international SDL Forum conference on Design for dependable systems
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Despite the increasing need of formal methods, people in the industry still hesitate to use them for product development because they are not sure of success with that novel approach in their own situation. In order to encourage those people we show our experience of designing a radio resource control protocol for ETRI's 3G evolution systems in SDL with two different approaches: pure-SDL and hybrid-SDL approaches. From our design and verification results, we make an empirical evaluation of those two approaches in several aspects and suggest a simple guideline for selecting an appropriate approach according to the situation.