Detecting Inactive Neighbors over OSPF Demand Circuits (DC). - Sira Panduranga Rao; Alex Zinin; Abhay Roy (RFC, 2004)

OSPF Out-of-Band Link State Database (LSDB) Resynchronization. - Liem Nguyen; Abhay Roy; Alex Zinin (RFC, 2007)

OSPF Restart Signaling. - Liem Nguyen; Abhay Roy; Alex Zinin (RFC, 2007)

Multi-Topology (MT) Routing in OSPF. - Peter Psenak; Sina Mirtorabi; Abhay Roy; Liem Nguyen; Padma Pillay-Esnault (RFC, 2007)

OSPF Link-Local Signaling. - Alex Zinin; Abhay Roy; Liem Nguyen; Barry Friedman; Derek M. Yeung (RFC, 2009)

Extensions to OSPF to Support Mobile Ad Hoc Networking. - Abhay Roy; Madhavi W. Chandra (RFC, 2010)

Support of Address Families in OSPFv3. - Acee Lindem; Sina Mirtorabi; Abhay Roy; Michael Barnes; Rahul Aggarwal (RFC, 2010)

OSPFv2 Multi-Instance Extensions. - Acee Lindem; Abhay Roy; Sina Mirtorabi (RFC, 2012)

IS-IS Multi-Instance. - Stefano Previdi; Les Ginsberg; Mike Shand; Abhay Roy; Dave Ward (RFC, 2012)

Hiding Transit-Only Networks in OSPF. - Yi Yang; Alvaro Retana; Abhay Roy (RFC, 2013)

OSPFv3 Link State Advertisement (LSA) Extensibility. - Acee Lindem; Abhay Roy; Dirk Goethals; V. Reddy Vallem; Fred Baker (RFC, 2018)