Steve Deering

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| name = Steve Deering

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| field = Computer Science

| work_institution = Cisco
Xerox

| alma_mater = University of British Columbia
Stanford University

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Stephen Deering is a former Fellow at Cisco Systems, where he worked on the development and standardization of architectural enhancements to the Internet Protocol. Prior to joining Cisco in 1996, he spent six years at Xerox's Palo Alto Research Center, engaged in research on advanced Internet technologies, including multicast routing, mobile internetworking, scalable addressing, and support for multimedia applications over the Internet. He is a former member of the Internet Architecture Board, a past chair of numerous Working Groups of the Internet Engineering Task Force (IETF), the inventor of IP multicast, and the lead designer of the new version of the Internet Protocol, IPv6. By 2017 he was retired and living in Vancouver, British Columbia.{{cite web |url=https://ethw.org/Stephen_Deering |title=Stephen Deering Biography |publisher=Engineering and Technology History Wiki |access-date=2019-03-12}}{{cite rfc |first1=J. |last1=McCann |first2=S. |last2=Deering |first3=J. |last3=Mogul |editor-first=R. |editor-last=Hinden |title=Path MTU Discovery for IP version 6 |rfc=8201 |doi=10.17487/RFC8201 |date=July 2017 |page=19 }}