OSPFv3-Based Layer 1 VPN Auto-Discovery

This document defines an OSPFv3-based (Open Shortest Path First version 3) Layer 1 Virtual Private Network (L1VPN) auto-discovery mechanism. This document parallels the existing OSPF version 2 L1VPN auto-discovery mechanism. The notable functional difference is the support of IPv6. This memo defines an Experimental Protocol for the Internet community.