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.
Monday, April 06, 2015
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