http://www.rfc-editor.org/rfc/rfc6414.txt
RFC 6414: Benchmarking Terminology for Protection Performance, S. Poretsky, R. Papneja, J. Karthik, S. Vapiwala2011-11-01T23:00:00-00:00This document provides common terminology and metrics for benchmarking the performance of sub-IP layer protection mechanisms. The performance benchmarks are measured at the IP layer; protection may be provided at the sub-IP layer. The benchmarks and terminology can be applied in methodology documents for different sub-IP layer protection mechanisms such as Automatic Protection Switching (APS), Virtual Router Redundancy Protocol (VRRP), Stateful High Availability (HA), and Multiprotocol Label Switching Fast Reroute (MPLS-FRR). This document is not an Internet Standards Track specification; it is published for informational purposes.