10~Gbps TCP/IP streams from the FPGA for High Energy Physics
- Bauer, Gerry
- Behrens, Ulf
- Branson, James
- Chaze, Olivier
- Cittolin, Sergio
- Coarasa Perez, Jose Antonio
- Darlea, Georgiana Lavinia
- Deldicque, Christian
- Dobson, Marc
- Dupont, Aymeric
- Erhan, Samim
- Gigi, Dominique
- Glege, Frank
- Gomez Ceballos, Guillelmo
- Gomez-Reino Garrido, Robert
- Hartl, Christian
- Hegeman, Jeroen Guido
- Holzner, Andre Georg
- Masetti, Lorenzo
- Meijers, Franciscus
- Meschi, Emilio
- Mommsen, Remigius
- Morovic, Srecko
- Nunez Barranco Fernandez, Carlos
- O'Dell, Vivian
- Orsini, Luciano
- Ozga, Wojciech Andrzej
- Paus, Christoph Maria Ernst
- Petrucci, Andrea
- Pieri, Marco
- Racz, Attila
- Raginel, Olivier
- Sakulin, Hannes
- Sani, Matteo
- Schwick, Christoph
- Spataru, Andrei Cristian
- Stieger, Benjamin Bastian
- Sumorok, Konstanty
- Veverka, Jan
- Wakefield, Christopher Colin
- Zejdl, Petr
DOIAbstract
The DAQ system of the CMS experiment at CERN collects data from more than 600 custom detector Front-End Drivers (FEDs). During 2013 and 2014 the CMS DAQ system will undergo a major upgrade to address the obsolescence of current hardware and the requirements posed by the upgrade of the LHC accelerator and various detector components. For a loss-less data collection from the FEDs a new FPGA based card implementing the TCP/IP protocol suite over 10Gbps Ethernet has been developed. To limit the TCP hardware implementation complexity the DAQ group developed a simplified and unidirectional but RFC~793 compliant version of the TCP protocol. This allows to use a PC with the standard Linux TCP/IP stack as a receiver. We present the challenges and pr...
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