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2002
IEEE

The FTT-Ethernet Protocol: Merging Flexibility, Timeliness and Efficiency

10 years 7 months ago
The FTT-Ethernet Protocol: Merging Flexibility, Timeliness and Efficiency
Despite having been designed to interconnect office equipment such as computers and printers, since its early days Ethernet has also been considered for use in the industrial domain. However, it was not originally developed to meet the requirements of real-time industrial automation systems and it was commonly considered unsuited for applications at the field level, i.e. to interconnect sensors, actuators and controllers. Therefore, along its 30 years of existence, several proposals have been presented to make this protocol exhibit real-time behaviour. Nevertheless, these proposals either require specialised hardware, or are suited to soft-real-time operation only, or are bandwidth or response-time inefficient. This paper presents an overview about the work previously done towards realtime communication on Ethernet. Then, it presents a new protocol, FTT-Ethernet, which relies on common network adapters and on a new transmission control named master/multi-slave that efficiently support...
Paulo Pedreiras, Luís Almeida, Paolo Gai
Added 14 Jul 2010
Updated 14 Jul 2010
Type Conference
Year 2002
Where ECRTS
Authors Paulo Pedreiras, Luís Almeida, Paolo Gai
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