Monday, April 06, 2015

Killer App for Overlay Networking/SDN

SDN has been searching for a killer app since its birth in the midst of protocol and encapsulation debates of 2011. It wasn't monitoring, flow management or physical network orchestration for a controller. It turns out it is container networking.

Container is challenging the VM or a group of them is a unit of application. Its value proposition is removal of the virtualization tax and being open source it does not cost a whole lot to try out. The schedulers (k8, mesos etc.) seem to be maturing fast enough but the networking behind is still quite elementary.

Using offloads that accelerate encap/decap of an overlay network on the JEOS (Just enough OS), containers with virtual interfaces can outperform hypervisor based VMs and integrate better with orchestration technology like gubernetes.

Llama 3 - More ways to run it, but still nothing new

 Llama 3 is out and getting to it can be a challenge. The approval email's URL expires in 24 hours. It can take 8hrs to download. But af...