The packer filter: an efficient mechanism for user-level network code
SOSP '87 Proceedings of the eleventh ACM Symposium on Operating systems principles
SIGCOMM '88 Symposium proceedings on Communications architectures and protocols
Architectural considerations for a new generation of protocols
SIGCOMM '90 Proceedings of the ACM symposium on Communications architectures & protocols
A language-based approach to protocol implementation
SIGCOMM '92 Conference proceedings on Communications architectures & protocols
Implementing network protocols at user level
SIGCOMM '93 Conference proceedings on Communications architectures, protocols and applications
ADAPTIVE - An Object-Oriented Framework for Flexible and Adaptive Communication Protocols
Proceedings of the IFIP TC6/WG6.4 Fourth International Conference on High Performance Networking IV
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The lack of flexibility and performance of current communication subsystems has led researchers to look for new protocol architectures. A new design philosophy, flexible and efficient, referred to in the literature as "function-based communication model" is emerging and seems to be very promising. It consists of designing application-tailored communication subsystems adapted to the specific requirements of a given application. The flexibility of such a solution leads to very efficient implementations integrating only required functionalities. In this paper, we propose a flexible model which uses a synchronous language to synthesize communication subsystems from functional building blocks. We prove the feasibility of our approach by implementing a data transfer protocol using Esterel, a synchronous language. Communication subsystem specifications in our model are very modular; they are composed of parallel modules, implementing the di erent functionalities of the communication subsystem, which synchronize and communicate using signals. The Esterel compiler generates from this parallel specification a sequential automaton by resolving resource conflicts. The design flexibility of our approach is demonstrated; modules are selected according the application requirements and compiled to generate an integrated implementation.