: Over the last thirty years, the increasing globalisation of economic exchanges has contributed to the emergence of a network of main ports linked together by maritime transport and, in particular, the lines developed by the major shipping lines or the alliances they have formed. In addition to Asian ports, and particularly Chinese ports given the national port strategy, this network of main ports has also been structured by investments made by shipping lines in port terminals intended to become their regional hubs and thus facilitate the massification of flows. From these hubs, feeders serve other ports, giving rise to a form of classification within thesemain global ports. This organisation has helped to shape the global value chains, or world trade routes, which are both the medium and the result of globalisation. The covid-19 health crisis, the ensuing economic crisis and current geopolitical tensions are all contributing to a possible transformation of these global value chains. The purpose of this pape[...]