Peter Welcher takes a look at some stories in networking, including the Arista presentation at Networking Field Day 36. Arista, known for datacenter switches, is expanding into campus use with micro-segmentation, automation, observability, and CloudVision. Their new campus switch stacking allows for flexible management of up to 16 switches per logical stack. Welcher also looks at Graphiant’s Backbone As A Service positioning, and Cisco’s acquisition of Isovalent in this LinkedIn Pulse article.