Patrick Grossetete Author

David Hanes, CCIE No. 3491, is a Technical Leader specializing in IoT and working in Cisco Technical Services as part of the Cloud Support Technical Assistance Center (TAC). With experience in the incubation of new technologies, he is currently leading the TAC support effort for Cisco’s IoT cloud solutions. He also has technical expertise in the areas of collaboration and cognitive computing. David has multiple patents issued and pending in the areas of IoT and collaboration. He is an active participant in the SIP Forum and in the IETF as an RFC contributor and author. David has written and contributed to various industry publications and white papers and is a coauthor of the Cisco Press book Fax, Modem, and Text for IP Telephony. He has spoken at industry and technical conferences worldwide and has been honored as a Hall of Fame speaker by Cisco Live. Since joining Cisco in 1997, David has worked as a TAC engineer for the WAN, WAN Switching, and Multiservice Voice teams; as a team lead for the Multiservice Voice team; as an escalation engineer covering a variety of VoIP technologies; and as a field trial support engineer. Prior to working at Cisco, David was a systems engineer for Sprint, where he gained his first computer networking experience working on the Frame Relay and X.25 protocols. He holds a degree in electrical engineering from North Carolina State University. Gonzalo Salgueiro, CCIE No. 4541, is a Principal Engineer in Technical Services, working on several emerging technologies and the services opportunities they offer. Gonzalo has spent more than 20 years at Cisco, establishing himself as a subject matter expert, innovator, and industry thought leader in various technologies, including Collaboration, ML/AI, Cloud, and IoT. Gonzalo is an established member of numerous industry organizations and is a regular presenter and distinguished speaker at a variety of technical industry conferences and Cisco events around the world. He currently holds various industry leadership roles, including serving as a member of the Board of Directors of the SIP Forum, co-chair of the INSIPID and SIPBRANDY IETF working groups, member of the IoT Directorate in the IETF, and co-chair of the WebRTC Task Group, IPv6 Task Group, and FoIP Task Group in the SIP Forum. He is an active contributor to various industry organizations and standardization activities. Gonzalo co-authored the Cisco Press book Fax, Modem, and Text for IP Telephony. He has also co-authored 24 IETF RFCs, 4 IEEE papers, 4 ITU contributions, and numerous industry and academic research papers on a variety of different technical topics. He is also coinventor of 65+ patents (issued and pending) and has contributed to various interop and open source development efforts. Gonzalo received a master’s degree in physics from the University of Miami. Patrick Grossetete is a Distinguished Engineer, Technical Marketing, working on field communication architecture and design (IEEE 802.15.4g/e RF, IEEE 1901.2a PLC, LoRaWAN, IPv6, 6LoWPAN, RPL, …) in the Cisco Internet of Things Connected Group. He joined Cisco through its acquisition of Arch Rock, where he was Director of Product Management and Customer Solutions, focusing on IPv6-based wireless sensor network technology for smart grid, energy, and environmental optimization applications. Previously, Patrick led a product management team at Cisco, responsible for a suite of Cisco I