John Studarus and Cynthia Thomas demonstrate how to service-chain traffic through multiple security functions using virtualization and software-defined networking (SDN). John and Cynthia walk you through configuring and modifying layer 2 service chains with open source cloud security tools to monitor and block malicious traffic originating from a network of virtual machines.

Speed and reliability in deploying big data clusters is key for effectiveness in the cloud. Drawing on ideas from his book Moving Hadoop to the Cloud, which covers essential practices like baking images and automating cluster configuration, Bill Havanki explains how you can automate the creation of new clusters from scratch and use metrics gathered using the cloud provider to scale up.

Network management (and virtual network in particular) is hard. Cloud app developers find themselves dealing with too many options and too many settings, which make no sense. This is because Cloud API …

Open vSwitch (OVS) is a multilayer open source virtual switch. OVS is designed to enable massive network automation through programmatic extension, while still supporting standard management interfac …

While service providers are quickly ramping up their capabilities to orchestrate Virtualized Network Functions and SDN components, many are starting to realize that work gets them only part way to the …