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Define The Cloud

The Intersection of Technology and Reality

Define The Cloud

The Intersection of Technology and Reality

Tag: Private Cloud

CloudStack Graduates to Top-Level Apache Project

Joe Onisick (@JoeOnisick), April 3, 2013May 18, 2020

The Apache Software Foundation announced in late March that CloudStack is now a top-level project. This is a promotion from CloudStack’s incubator status, where it had lived after being released as open source by Citrix. This promotion provides additional encouragement to companies and developers looking to contribute to the project,…

NVGRE

Joe Onisick (@JoeOnisick), November 19, 2012May 18, 2020

The most viable competitor to VXLAN is NVGRE which was proposed by Microsoft, Intel, HP and Dell.  It is another encapsulation technique intended to allow virtual network overlays across the physical network.  Both techniques also remove the scalability issues with VLANs which are bound at a max of 4096.  NVGRE…

Stateless Transport Tunneling (STT)

Joe Onisick (@JoeOnisick), November 15, 2012May 18, 2020

STT is another tunneling protocol along the lines of the VXLAN and NVGRE proposals.  As with both of those the intent of STT is to provide a network overlay, or virtual network running on top of a physical network.  STT was proposed by Nicira and is therefore not surprisingly written…

VXLAN Deep Dive – Part II

Joe Onisick (@JoeOnisick), November 13, 2012May 18, 2020

In part one of this post I covered the basic theory of operations and functionality of VXLAN (http://www.definethecloud.net/vxlan-deep-dive.)  This post will dive deeper into how VXLAN operates on the network. Let’s start with the basic concept that VXLAN is an encapsulation technique.  Basically the Ethernet frame sent by a VXLAN…

VXLAN Deep Dive

Joe Onisick (@JoeOnisick), November 6, 2012May 18, 2020

I’ve been spending my free time digging into network virtualization and network overlays.  This is part 1 of a 2 part series, part 2 can be found here: http://www.definethecloud.net/vxlan-deep-divepart-2.  By far the most popular virtualization technique in the data center is VXLAN.  This has as much to do with Cisco…

Something up Brocade’s Sleeve, and it looks Good

Joe Onisick (@JoeOnisick), November 4, 2012May 18, 2020

Brocade’s got some new tricks up their sleeve and they look good.  For far too long Brocade fought against convergence to protect its FC install base and catch up.  This bled over into their Ethernet messaging and hindered market growth and comfort levels there.  Overall they appeared as a company…

Much Ado About Something: Brocade’s Tech Day

Joe Onisick (@JoeOnisick), September 13, 2012May 18, 2020

Yesterday I had the privilege of attending Brocade’s Tech Day for Analysts and Press.  Brocade announced the new VDX 8770, discussed some VMware announcements, as well as discussed strategy, vision and direction.  I’m going to dig in to a few of the topics that interested me, this is no way…

Digging Into the Software Defined Data Center

Joe Onisick (@JoeOnisick), September 7, 2012May 18, 2020

The software defined data center is a relatively new buzzword embraced by the likes of EMC and VMware.  For an introduction to the concept see my article over at Network Computing (http://www.networkcomputing.com/data-center/the-software-defined-data-center-dissect/240006848.)  This post is intended to take it a step deeper as I seem to be stuck at 30,000…

Forget Multiple Hypervisors

Joe Onisick (@JoeOnisick), July 13, 2012May 18, 2020

The concept of managing multiple hypervisors in the data center isn’t new–companies have been doing so or thinking about doing so for some time. Changes in licensing schemes and other events bring this issue to the forefront as customers look to avoid new costs. VMware recently acquired DynamicOps, a cloud…

Private Cloud: An IT Staffer’s Guide To Success

Joe Onisick (@JoeOnisick), July 13, 2012May 18, 2020

Recently I wrote The Biggest Threat to Your Private-Cloud Deployment: Your IT Staff as a call to management to understand the importance of their IT staff and the changes that will be required to move to a cloud model. That post received some strong criticism from readers who took it…

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