Vyncke joined Cisco in 1997. He is currently a Distinguished Engineer in the Emerging Technology & Innovation group, where he focuses on standards, IPv6, telemetry, and security. <ref name="ietfdt" /> He has written two network security books about layer-2 and IPv6.<ref>[http://vyncke.org Vyncke.org]</ref> | Vyncke joined Cisco in 1997. He is currently a Distinguished Engineer in the Emerging Technology & Innovation group, where he focuses on standards, IPv6, telemetry, and security. <ref name="ietfdt" /> He has written two network security books about layer-2 and IPv6.<ref>[http://vyncke.org Vyncke.org]</ref> |