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The correct answer is BGP, which stands for Border Gateway Protocol. BGP integrates with a feature known as Non-Stop Forwarding (NSF), which is crucial for maintaining the smooth flow of traffic during control plane failures.

NSF allows routers to continue forwarding packets even while network topology changes are being absorbed or when the routing protocol needs to reconverge. With BGP's inherent ability to interconnect different autonomous systems, it benefits significantly from NSF as it helps in maintaining routing information and provides stability in scenarios where a router may undergo a failover or reboot, minimizing disruptions in service.

While other protocols like EIGRP also have their own methods of gracefully handling changes and maintaining continuity, BGP's design and its role in the greater Internet infrastructure underscore the importance of features like NSF, thus making it a standout choice for integration with this functionality. Understanding how BGP utilizes NSF enhances the ability to manage and configure robust networking environments effectively.