MrSeb writes: "Depending on how its implemented, SOPA could demolish the cohesive structure of the internet by damaging the core functionality of the DNS system. As written, SOPA tasks ISPs with preventing US internet users from accessing a site that’s been deemed to contain infringing content by preventing their browsers 'from resolving to that domain name’s Internet Protocol address.' The question is, how might that sort of blocking actually be accomplished? The only real solution is to create a DNS blacklist at the ISP level that prevents US citizens from seeing infringing content — but then what's to stop users from simply using an offshore DNS? The US will then pressure those offshore services to fall into line — but alternatively, we could be looking at a complete schism, where the US internet breaks away from Europe and Asia. Perhaps we might soon be living in a world where both an ARPANET and a RIPENET coexist..."