Documents by D. Yeung
2003, RFC3509: Alternative Implementations of OSPF Area Border Routers
2003, RFC3630: Traffic Engineering (TE) Extensions to OSPF Version 2
2007, RFC4813: OSPF Link-Local Signaling
2009, RFC5613: OSPF Link-Local Signaling
2017, RFC8177: YANG Data Model for Key Chains
2022, RFC9129: YANG Data Model for the OSPF Protocol
2022, RFC9130: YANG Data Model for the IS-IS Protocol