In certain networks, such as, but not limited to, financial
information networks (e.g. stock market data providers), network
performance criteria (e.g. latency) are becoming as critical to data
path selection as other metrics.
This document describes extensions to OSPF TE [RFC3630] such that
network performance information can be distributed and collected in a
scalable fashion. The information distributed using OSPF TE Metric
Extensions can then be used to make path selection decisions based on
Note that this document only covers the mechanisms with which network
performance information is distributed. The mechanisms for measuring
network performance or acting on that information, once distributed,
are outside the scope of this document.