While some industry analysts claim that private clouds don't make economic sense for many organizations due to the capital and operational costs to build one, they fail to take into account that IT departments have already sunk those costs into IT. Nor do they consider the different goals organizations have for private clouds. They don't need elastic scale. They need more efficient use of resources and operations. That's where private clouds come in with a focus on efficient use of recourses and orchestrated IT.
News and Analysis
F5 Acquires SDN Startup LineRate Systems
News roundup: F5's LineRate Systems acquisition targets data center programmability, scalability; Dell launches a new switch and rolls out OpenFlow support; CA simplifies IAM offerings; Veeam offers VM backup up to 15 cloud providers.
Ospcode's Private Chef Gets Cooking with Facebook
News roundup: Opscode updates Private Chef automation software; AirWatch and ForeScout team up for mobile security; WatchGuard unveils seven XTM appliances; HP gets agile.
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Blogs
Cisco’s Spending Spree: An Analysis
December 06, 2012 07:07 AM
Posted by Greg Ferro
This November Cisco bought three companies in the space of about 10 days. I’ll examine whether these purchases are part of a larger strategic move, or simply the result of internal competition among Cisco’s business units.
See all blogs by Greg Ferro
Silver Peak, F5 Put Virtual Appliances in Amazon Cloud
December 04, 2012 07:10 AM
Posted by Michael Biddick
Many networking vendors offer virtualized appliances that can run in a hypervisor. Now more vendors moving those appliances into public clouds.
See all blogs by Michael Biddick
Why We Need Network Abstraction
November 26, 2012 03:16 PM
Posted by Joe Onisick
Highly virtualized data centers are exposing cracks in traditional network constructs such as VLANs. New approaches that abstract the physical network, including network overlays, are key to providing flexibility and scale.
See all blogs by Joe Onisick
Intel On The Wrong Side Of Moore's Law
November 20, 2012 03:30 PM
Posted by Art Wittmann
ARM's stellar performance provides a hint at what Intel must do in the next decade to stay ahead in the chip business.
See all blogs by Art Wittmann
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
Packets Are the Past, Flows Are the Future
November 14, 2012 04:25 PM
Posted by Greg Ferro
Networking has focused for years on speeds and feeds: how many packets you can handle and how many ports per device. But hosts and applications work with flows, which will force the network to adapt. Here’s why.
See all blogs by Greg Ferro
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.
