Links of the day 11 - 05 - 2015

Today's links 11/05/2015: Openstack reality check, Programming Framework, Open vSwitch design, Real time sessions handling

• Openstack reality check : I agree with a lot of stuff in there. I would even add that if the Openstack comunity doesn't correct its course quickly it might end up like Linux desktop... 
• 5 Billions Sessions/Day : How twitter use kafka, and stream processing for real time sessions handling at scale
• Unison : another new programming framework for functional programming with IDE being the centerpiece.
• Design and Implementation of Open vSwitch : If you ever wondered about the design and internal of open vSwitch