Used attributively before nouns (e.g., "routing table", "routing protocol") to describe things connected with determining or directing routes.
Definitions
Relating to or involved in determining, choosing, or managing routes for data, traffic, or movement. The network engineer updated the routing table to reflect the new topology.
routinggerund / present participle Used attributively in phrases like "routing table" to denote something concerned with or facilitating routing.
Definitions
Concerned with or used for determining or directing paths for data, signals, or movement. The router uses a routing protocol to exchange routing information with its neighbors.