Understanding Overlays and Tunnels
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Course Overview
Before building overlay networks or configuring a GRE Tunnel, it pays to understand what a tunnel is, what an overlay is, what you need to deploy them, and the practical challenges that come with network tunneling. This short, self-paced course sets the stage for later work with SRv6, MPLS, and EVPN, and prepares you for upcoming design-focused lessons.
What You Will Study
- Overlay and Tunnel Theory: Core concepts, data-plane and control-plane considerations, and why overlays exist.
- Overlay versus Tunnel: Distinguishing the service abstraction (ov...
Course Content
Course quiz available
1 course-level quiz assigned to this course.
Overlay and Tunnel Theory
Instructor
Russ White is one of the most respected figures in the networking industry, known for his deep expertise in routing protocols, network architecture, and protocol design. With over two decades of experience, Russ has worked at leading organizations including Cisco, LinkedIn, and Juniper, contributing to the development of many networking technologies at the IETF.
He is a prolific author, having written multiple authoritative books on network design, routing, and distributed systems, and is also a regular speaker at global conferences.
Russ holds multiple certifications including CCIE and CCDE, and he brings a unique, foundational approach to teaching complex topics, making them accessible and practical for engineers and architects at all levels.
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