Donn Lee is a highly accomplished and experienced network engineer and author based in the United States. He is the author of the book Enhanced IP Services for Cisco Networks, which is published by Macmillan, and has earned many accolades throughout his career, including the ISOC Itojun Service Award and the Google EMG Award. Donn is a scaling specialist with hands-on experience in backbone, datacenter, cloud, software & network engineering, making him a valuable asset to companies looking to expand and optimize their infrastructure. He has extensive experience in public speaking and technical sales strategy, as well as scripting and automation/audit/operations/monitoring tools programming. Donn's expertise includes Juniper, JUNOS, Cisco, IOS, NX-OS, BGP, ISIS, OSPF, MPLS, RSVP-TE, Optical, DWDM, EDFA, QoS, IPsec, VPN, AAA, DDoS, Troubleshooting, Systems Engineering, Docker, Kubernetes, Go/golang, ReactJS, iOS Swift, Python, php, CSS, Javascript, Redis, Couchbase, NoSQL, SQL, mysql, Unix, Linux, collectd, grafana, influxdb, SNMP, TCP/IP, Netflow, Routing Protocols, Routers, Ethernet, Access control lists (ACLs), Firewalls, HAProxy, nginx, apache, and IS-IS. Donn studied BS/EE, Engineering at UCLA and has worked for several high-profile companies, including Facebook and Google, as both a Developer Support Engineer and Senior Network Engineer. He has also worked as a Consulting Systems Engineer at Procket Networks Inc. and a Technical Marketing Engineer at Zaffire Inc. before becoming a Senior Systems Engineer at Cisco Systems.