From the course: Networking Foundations: Wide Area Networks (WANs)
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Ethernet WAN and Dark Fiber
From the course: Networking Foundations: Wide Area Networks (WANs)
Ethernet WAN and Dark Fiber
- Let us continue our discussion on WAN. In this video, we will cover Ethernet WAN and dark fiber. Ethernet, defined under IEEE 802.3, was originally developed for LAN or local area networks. However, with the advent of fiber optic cables, we now have Ethernet standards that can provide high speeds at long distances like the 1000Base-ZX, which is said to have gigabit transmission to at least 70 kilometers. Whoa! So what does that mean for us? Well, it means that we may not be able to extend the range of our local network to farther distances beyond our current location and can even span across countries. This is Ethernet WAN, also known as wide area Ethernet. So why should we go for Ethernet WAN? Firstly, with Ethernet WAN, our network goes from the Ethernet local network to the Ethernet wide area network. Yes, it stays in the Ethernet. That means we no longer need to convert to various WAN technologies like frame relay or ATM, and that is a reduction in administration tasks. Less…
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