Arista takes aim at core router market with Universal Spine
The concept of using switching infrastructure as a replacement for a core router is certainly nothing new. Years ago, vendors like Foundry Networks and Force10 tried to make the case but were unsuccessful in their attempts. Although the switches were beefy and had massive port density they were missing some key features such as MPLS support, the ability to support a full Internet routing table and carrier class resiliency. From an economic perspective, the cost per port on a switch is about one-tenth what it is on a router, so there is a financial argument to be made but the products just didn’t have the technical chops to hang with big routers.Arista Networks is now taking a shot at this market again but is taking a significantly different approach to the market. Arista is attempting to disrupt the core router market by replacing the big boxes with a distributed spine, similar to the way the company disrupted the legacy data center switching market. Spine-Leaf configurations are well accepted today in big data centers and cloud providers but this wasn’t the case just a few years ago as there was a certain religion around big chassis deployed in multiple tiers. Continue reading

