washington major technology company include facebook google twitter urge congress support plan u.s. government cede control internet technical management global community say joint letter date tuesday u.s. commerce department primary oversight internet management largely invent unite state republican lawmakers try block handover global stakeholders include businesses tech experts public interest advocate say could stifle online freedom give vote right authoritarian governments years-long plan transfer oversight nonprofit internet corporation assign name number icann schedule occur oct. unless congress vote block handover california-based corporation operate database domain name .com .net correspond numeric address allow computers connect sept. 13 letter copy review reuters send technology company say imperative congress delay transition global interoperable stable internet essential economic national security remain commit complete nearly twenty year transition multi stakeholder model best serve u.s. interest letter say signatories include amazon cloudflare yahoo several technology trade organizations former presidential hopeful senator ted cruz texas lead opposition handover hold congressional hear wednesday review transition criticize giveaway internet freedom tech company technical experts academics say transition overdue necessary keep internet open globally orient proposal include safeguard potential abuse one country version story add drop word fourth paragraph u.s. tech firm urge congress allow internet domain changeover