Wednesday, March 26, 2014

L3 to Server

There is a trend towards moving switching (L2) out of the hypervisor and onto a NIC. After multiple false starts, it looks like it might actually happen.

Overlay networks essentially empower a virtual management tool or orchestrator to perform the control functions of a L2 network. The tool knows the full lifecycle of a VM and does not really need to learn any mac addresses. Coupled with a intelligent NIC and some standard based overlay (MacInIP), this tool can remove the need for a L2 switch in Hypervisor and facilitate bring L3 network directly to a server. If this happens, it will shift the network edge inside a server and shift the market power away from pure networkers to server vendors.

(Lack of) Trust is killing the World

Not to take on the "Software is eating the world" meme, I believe the pendulum has swung too far in the SD* world. Automation wa...