This article proposes BGP-CN, a congestion notification mechanism that uses BGP extended communities to distribute congestion information across leaf-spine data center fabrics. Rather than relying solely on local mechanisms such as ECN, PFC, and DCQCN, BGP-CN provides fabric-wide visibility, all...
Source: [HackerNoon](https://hackernoon.com/bgp-based-congestion-signaling-for-leaf-spine-data-center-fabrics?source=rss)