Summary: Today’s podcast episode is a debate on network overlays.<br> The industry has seen the rise of overlay networking in the data center (EVPN, VXLAN and others), and many SD-WAN solutions rely on overlays. We’re also seeing overlays make their way into the campus; for example, Cisco’s SD Access campus fabric relies on LISP.<br> Guest <a href="https://www.linkedin.com/in/cory-steele-65842762/" target="_blank" rel="noopener noreferrer">Cory Steele</a> visits the podcast to make the case that overlays such as LISP are the way to go. Greg Ferro makes the case for overlay protocols like QUIC, TLS, and IPSec, and argues for the concept of end-to-end connectivity as the IP network was intended.<br> Cory is a senior consultant and network engineer.<br> They discuss:<br> <br> * The pros and cons of “map and encap” protocols such as LISP<br> * Why LISP may not scale<br> * The challenges of endpoint mobility<br> * Practical applications of LISP<br> * The failures of past protocols<br> * More<br> <br> Sponsor: Itential<br> Itential is intelligent automation for multi-domain and multi-vendor networks. You can find out more about Itential in <a href="https://packetpushers.net/podcast/heavy-networking-503-achieve-multi-domain-network-automation-with-itential-sponsored/" target="_blank" rel="noopener noreferrer">Heavy Networking 503</a>, and at <a href="https://www.itential.com/packetpushers/" target="_blank" rel="noopener noreferrer">itential.com/packetpushers</a>.<br> Show Links:<br> <a href="https://www.linkedin.com/in/cory-steele-65842762/" target="_blank" rel="noopener noreferrer">Cory Steele on LinkedIn</a><br> <a href="https://packetpushers.net/podcast/pq-show-55-lisp-update-2015/" target="_blank" rel="noopener noreferrer">PQ Show 55 – LISP Update 2015</a> – Packet Pushers<br> <a href="https://ignition.packetpushers.net/courses/cisco-sd-access-an-introduction-and-technical-overview/" target="_blank" rel="noopener noreferrer">Cisco SD Access: An Introduction And Technical Overview</a> – Packet Pushers Ignition Course<br>
