The process of selecting paths in a network along which to send network traffic or data packets. Also refers to the systematic organization of travel routes or workflows.
From French 'route' meaning road or way, ultimately from Latin 'rupta via' meaning broken road. The computing sense emerged in the 1960s with early computer networks, extending the metaphor of directing traffic along pathways.
Routing algorithms power everything from your GPS finding the fastest way home to how your email travels across continents through dozens of servers in milliseconds. The internet essentially functions as a massive routing problem solved billions of times per second.
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