Translate the following English sentence to French:
"While I am in favour of the idea that we need to find the means to set up an information system, I am against the service being centralised by a large port, which is already in a dominant market position."
Si je souscris à l' idée qu' il faut trouver le moyen de mettre en place un système d' information, je refuse qu' un grand port déjà en position de force sur le marché ne centralise ce service.