WAN Technologies Explained: OSI Layer 2

We'll look at SONET/SDH and its equipment, OTN Optical Transport Network, and its technology and equipment. We'll cover WDM wavelength division multiplexing, its two versions CWDM and DWDM, and compare SONET and OTN. Understanding Data Link Services, WAN technologies over time, Enterprise-Carrier-IPS at Layer 2, self-healing fiber links, and more. We'll review DOCSIS and how cable operators deliver ethernet via RF and peek at DSL and its technology. Ethernet in the WAN, take a look! If you would like to support the channel, Join our channel membership, it’s $2.99/month (less than a Starbucks coffee); see the “Join” button on our channel homepage. https://www.youtube.com/channel/UCCAXBGYIJnScl0IFKXOIlsQ/join OR Subscribe to the channel as it helps our channel perform better on YouTube’s algorithm. Check out our YouTube channel for more content! YouTube: https://www.youtube.com/user/vanderl2796/featured Check out our Website: https://www.techsavvyproductions.com Follow us