How NAT Contributed to Internet Centralization

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A technical essay published on dreamstation.systems argues that Network Address Translation (NAT) played a foundational role in driving internet centralization. NAT was introduced as a workaround for IPv4 address exhaustion, allowing multiple devices to share a single public IP address. However, the author contends that this solution came with significant architectural trade-offs, limiting direct peer-to-peer connectivity between devices. This constraint effectively pushed users toward centralized servers and platforms to facilitate communication. The piece frames NAT as an 'original sin' that shaped the modern, centralized structure of the internet.

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