After funding Embrane and partnering with it, Cisco is now acquiring the startup to add Layer 4-7 chaining to its ACI story.

Cisco’s Tetration 2.0 focuses on providing security at the application layer, providing a single pane of glass to automate and enforce security policies based on contextual information.

There's a whole group of vendors looking to ease the installation of IP VPNs by supporting application layer technology.