The Internet2 community and its counterparts around the world have been actively engaged in developing new network services, including dynamic circuit networking capabilities and performance tools. Both dynamic circuit allocation using the Internet2 DCN (Dynamic Circuit Network) and network performance tools like perfSONAR use an "Information Services plane" that allows users to discover network topology and the location and capabilities of network services within that topology. As global federation of network services occurs, the standardization and flexibility of the newtorknetwork-centric Information Services becomes even more critical.
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