| 9516 | Active Operations, Administration, and Maintenance (OAM) for Service Function Chaining (SFC)G. Mirsky, W. Meng, T. Ao, B. Khasnabish, K. Leung, G. Mishra | Proposed Standard | November 2023 |
| 9246 | URI Signing for Content Delivery Network Interconnection (CDNI)R. van Brandenburg, K. Leung, P. Sorber | Proposed Standard | June 2022 |
| 7629 | Flow-Binding Support for Mobile IPS. Gundavelli, Ed., K. Leung, G. Tsirtsis, A. Petrescu | Experimental | August 2015 |
| 7337 | Content Distribution Network Interconnection (CDNI) RequirementsK. Leung, Ed., Y. Lee, Ed. | Informational | August 2014 |
| 6983 | Models for HTTP-Adaptive-Streaming-Aware Content Distribution Network Interconnection (CDNI)R. van Brandenburg, O. van Deventer, F. Le Faucheur, K. Leung | Informational | July 2013 |
| 6757 | Access Network Identifier (ANI) Option for Proxy Mobile IPv6S. Gundavelli, Ed., J. Korhonen, Ed., M. Grayson, K. Leung, R. Pazhyannur | Proposed Standard | October 2012 |
| 6626 | Dynamic Prefix Allocation for Network Mobility for Mobile IPv4 (NEMOv4)G. Tsirtsis, V. Park, V. Narayanan, K. Leung | Proposed Standard | May 2012 |
| 6602 | Bulk Binding Update Support for Proxy Mobile IPv6F. Abinader, Ed., S. Gundavelli, Ed., K. Leung, S. Krishnan, D. Premec | Proposed Standard | May 2012 |
| 6245 | Generic Routing Encapsulation (GRE) Key Extension for Mobile IPv4P. Yegani, K. Leung, A. Lior, K. Chowdhury, J. Navali | Proposed Standard | May 2011 |
| 5845 | Generic Routing Encapsulation (GRE) Key Option for Proxy Mobile IPv6A. Muhanna, M. Khalil, S. Gundavelli, K. Leung | Proposed Standard | June 2010 |
| 5563 | WiMAX Forum / 3GPP2 Proxy Mobile IPv4K. Leung, G. Dommety, P. Yegani, K. Chowdhury | Informational | February 2010 |
| 5213 | Proxy Mobile IPv6S. Gundavelli, Ed., K. Leung, V. Devarapalli, K. Chowdhury, B. Patil | Proposed Standard | August 2008 |
| 5177 | Network Mobility (NEMO) Extensions for Mobile IPv4K. Leung, G. Dommety, V. Narayanan, A. Petrescu | Proposed Standard | April 2008 |
| 5094 | Mobile IPv6 Vendor Specific OptionV. Devarapalli, A. Patel, K. Leung | Proposed Standard | December 2007 |
| 5030 | Mobile IPv4 RADIUS RequirementsM. Nakhjiri, Ed., K. Chowdhury, A. Lior, K. Leung | Informational | October 2007 |
| 4917 | Mobile IPv4 Message String ExtensionV. Sastry, K. Leung, A. Patel | Proposed Standard | June 2007 |
| 4433 | Mobile IPv4 Dynamic Home Agent (HA) AssignmentM. Kulkarni, A. Patel, K. Leung | Proposed Standard | March 2006 |
| 4332 | Cisco's Mobile IPv4 Host Configuration ExtensionsK. Leung, A. Patel, G. Tsirtsis, E. Klovning | Informational | December 2005 |
| 4285 | Authentication Protocol for Mobile IPv6A. Patel, K. Leung, M. Khalil, H. Akhtar, K. Chowdhury | Informational | January 2006 |
| 4283 | Mobile Node Identifier Option for Mobile IPv6 (MIPv6)A. Patel, K. Leung, M. Khalil, H. Akhtar, K. Chowdhury | Proposed Standard | December 2005 |
| 4064 | Experimental Message, Extensions, and Error Codes for Mobile IPv4A. Patel, K. Leung | Proposed Standard | May 2005 |
| 3115 | Mobile IP Vendor/Organization-Specific ExtensionsG. Dommety, K. Leung | Proposed Standard | April 2001 |
| 3025 | Mobile IP Vendor/Organization-Specific ExtensionsG. Dommety, K. Leung · obsoleted by RFC 3115 | Proposed Standard | February 2001 |