Using 100G ER4 for East–West Traffic in Metro-Scale Data Centers
When people discuss 100G ER4, the conversation almost always centers on long-haul or DCI links, a 40 km reach, WAN edge, or intercity connectivity. However, in metro-scale data center architectures, 100G ER4 is increasingly being used in a non-traditional role: carrying east–west traffic between geographically distributed data centers within the same metropolitan area. This shift … Read more