About the Technical Reviewers
Bryan Byrne, CCIE No. 25607 (R&S), is a Technical
Solutions Architect in Cisco’s Global Enterprise segment.
With more than 20 years of data networking experience,
his current focus is helping his customers transition from
traditional LAN/WAN deployments toward Cisco’s next-
generation Software-Defined network solutions. Prior to
joining Cisco, Bryan spent the first 13 years of his career
in an operations role with a global service provider
supporting large-scale IP DMVPN and MPLS networks.
Bryan is multi-time Cisco Live Distinguished Speaker
covering topics on NETCONF, RESTCONF, and YANG.
He is a proud graduate of The Ohio State University and
currently lives outside Columbus, Ohio, with his wife
Lindsey and their two children Evan and Kaitlin.
John McDonough has more than 30 years of
development experience and is currently a Developer
Advocate for Cisco’s DevNet. As a Developer Advocate,
John writes code and creates DevNet Learning Labs
about how to write code. He writes blogs about writing
code and presents at Cisco Live, SXSW, AnsibleFest, and
other industry events. John focuses on Cisco’s
Computing Systems Products, Cisco UCS, and Cisco
Intersight. John’s career at Cisco has varied from
Product Engineer to Custom Application Developer,
Technical Marketing Engineer, and now a Developer
Advocate.