Terms and Acronyms

• carrier-of-carriers VPN—A VPN that transports data traffic between two or more telecommunications carrier sites across a core provider network. The core provider becomes a carrier for the customer carrier, which, in turn, provides Internet or VPN services to end customers. For more information about carrier-of-carriers VPNs, see the JUNOS Internet Software Configuration Guide: VPNs.
• Label Distribution Protocol (LDP)—A protocol used to distribute labels in an MPLS-enabled network. For more information about LDP, see the JUNOS Internet Software Configuration Guide: MPLS Applications.
• VPN Routing and Forwarding (VRF) instance—A unique routing table created to maintain VPN routing and forwarding information. One routing table is created per instance, which keeps prefix information and data private from other instances. For more information about VRF instances, see the JUNOS Internet Software Configuration Guide: VPNs.