Protocols and standards
RFC 1765, OSPF Database Overflow
RFC 2328, OSPF Version 2
RFC 3101, OSPF Not-So-Stubby Area (NSSA) Option
RFC 3137, OSPF Stub Router Advertisement
RFC 3630, Traffic Engineering Extensions to OSPF Version 2
RFC 4811, OSPF Out-of-Band LSDB Resynchronization
RFC 4812, OSPF Restart Signaling
RFC 4813, OSPF Link-Local Signaling