The internet backbone is the central core of the global internet network, which provides the primary level of connectivity between different geographically dispersed networks. Synonyms for internet backbone include the internet infrastructure, global network infrastructure, internet backbone ecosystem, core networks, major exchange points, and global internet connectivity backbone. The backbone is made up of high-bandwidth fiber-optic cables that enable the exchange of data and information between different networks. The backbone is crucial for accessing the internet and ensuring reliable connectivity across the globe. The internet backbone is constantly evolving, with new technologies and infrastructure investments being made to enhance its speed, security, and reliability.