Virtualization Channel
Blogs
SDN Is Business, OpenFlow Is Technology
November 15, 2012 06:14 PM
Posted by Greg Ferro
Software-defined networking (SDN) and OpenFlow aren’t the same thing. We’ll clarify the technical differences and discuss a more important distinction: SDN emphasizes applications that drive network usability and business requirements, while OpenFlow is a technology to link an SDN controller and network devices.
See all blogs by Greg Ferro
Storage Hypervisors Vs. Software Defined Storage
November 07, 2012 12:09 PM
Posted by David Hill
New technologies are emerging to streamline storage environments. Whether you call those technologies storage virtualization, storage hypervisors or software defined storage, IT still has to be persuaded to embrace them.
See all blogs by David Hill
What WAN Optimization Can Teach SDN About Tunneling
November 06, 2012 06:50 PM
Posted by David Greenfield
Network tunnels used to have a bad reputation, but the rise of software-defined networking (SDN) and network virtualization is changing that. WAN optimization, which uses tunnels, may offer insights that IT can apply to SDN.
See all blogs by David Greenfield
DataCore's Storage Hypervisor: An Overview
November 06, 2012 01:15 PM
Posted by David Hill
DataCore's SANsymphony-V software provides a host of storage features, including auto-tiering, replication, and the ability to remove physical disks without disruption, that can be run on a variety of storage hardware.
See all blogs by David Hill
Brocade Gets Virtual Networking with Vyatta Acquisition
November 05, 2012 07:59 PM
Posted by Greg Ferro
Brocade is buying Vyatta, which makes a software router. The move puts Brocade squarely into the virtual networking space, with implications for its SDN strategy, security and more.
See all blogs by Greg Ferro
Keep Old Apps Private, Make New Apps Public
October 17, 2012 02:00 AM
Posted by Joe Onisick
Just because you slip a hypervisor under an application doesn't make it equally suited to private and public clouds. Know the differences to get the most from your application deployments.
See all blogs by Joe Onisick
Best of the Web
VXLAN termination on physical devices
VXLAN is an Experimental IETF draft of protocols to enable the creation of a large overlay, multi-tenant network.
ONF Deadly Serious About OpenFlow-Based SDNs
: OpenFlow is poised to reach over-hyped status, yet there are practical, useful reasons for keeping an eye on Openflow. The biggest cloud players are involved and driving the feature creation.
Practical Introduction to Applied OpenFlow
Get a primer on the Openflow protocol and what it can do for networking.
On Resilience of Spit-Architecture Networks
This research papers investigates the practical issues in split-architecture networks and the placement of the controllers, such as Openflow controllers, in the network.










