His current research interests are in the fields of packet switching systems, SDN and programmable networks, and algorithms and architectures for all-optical networks. He has co-authored more than 200 papers in international journals and conferences. His h-index on scopus is 25 with more than 2600 citations.

He was Area Editor for the IEEE Journal of Lightwave Technology (2013-2018) and since 2010 for the Elsevier Computer Communications journal. He was member of the HPSR steering committee in 2015. He was Technical Program Co-Chair for: IEEE HPSR 2003 and 2008, DRCN 2005, IT-NEWS 2008, IEEE ICC ONS symposium 2010, Networking 2015 and IEEE GLOBECOM NGN Symposium 2015. He was a member of the TPC of several conferences, including IEEE INFOCOM, IEEE GLOBECOM, IEEE ICC, IEEE HPSR, IFIP ONDM, Networking, HotI, and many others. He was co-editor of two books and of four Special Issues.