Yoonseon han is a Ph.D student at Pohang University of Science and Technology (POSTECH) , Korea, and currently working as a member of ONOS virtualization brigade. His research is in the area of Software-Defined Networks (SDN), mainly focuses on SDN network virtualization. In ONOS, he have been developing Locator/Identifier Separation Protocol (LISP) Southbound Interface (SBI) support project and network virtualization subsystem. Yoonseon Han has participated various conferences and workshops to present research papers.