Tag: NSX

OVERLY, UNDERLAY, PACKETS FLOW FREE. IS SDN GOING TO TAKE OVER THE WORLD?

A software-defined network: is it an evolution or a revolution in networking? The hype of SDN has been around for several years, but as yet it doesn’t seem to have managed to get much traction outside of the MSPs and Fortune 500 companies with regard to SDN, and telcos with regard to SD-WAN. When, if …

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All Your SDN Are Belong to Us

One of the frustrations of SDN has always been the fact that if you ask six different people for a definition of SDN, you’ll get ten different answers, at least. This stems in part from the usual IT buzzword symptoms. When a system is used for competitive advantage, each company wants to define its own brand of …

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NSX – The Saga Continues

I’ve written before about the difficulty as a user of getting hold of VMware’s NSX and about other problems with the release, but a small recap is in order. Founded in 2007, Nicira was bought by VMware in 2012 for its SDN platform. This consists of deep integration that combines the open VXLAN standard with vSphere’s vShield-like products …

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NSX Release … and Availability?

VMware just released details about the latest version of NSX—6.2.2. What is interesting about this release is that it is the first that is split into tiers. The release pages are full featured, and although pricing doesn’t appear to be available yet on the website, hopefully this will be a fully public release that doesn’t …

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Community

With the recent layoffs at VMware, one of the biggest surprises was the loss of almost the whole Workstation/Fusion team. For many, this is the end of an era. Not only was Workstation one of VMware’s first products, but it was the one that gave numerous people the opportunity to play with new tech and …

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The Edge in Sight?

In networking, as in life, we often use the same terms to mean many different things. One of the biggest culprits of this in networking is “edge.” An edge device is usually considered to be a device that connects into a network in only one place. Traffic can flow from an edge device, or it …

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It’s All about Microsegmentation

For the last eighteen months, VMware has been pushing NSX as the third pillar of its software-defined data center (SDDC). NSX has three big selling points that VMware promotes: taking control of the network, automation and orchestration, and microsegmentation. The first two are standard SDDC fare: first, pull the function into software, abstract where necessary, and orchestrate to bring …

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How Will Dell Blend Its SDN Story with Nicira/NSX?

The big story of the last few weeks has been Dell’s $67B acquisition of EMC, and with it, VMware. This is big news for the industry—news that will have ramifications all over the software-defined data centre. One of the most interesting implications is how Dell will reconcile its own SDN strategy with VMware’s NSX vision. Do the …

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NSX Packet Walks – North/South Traffic

This is my final port in the NSX Packet walk series. So far I have discussed only so called “East/West” traffic. That is traffic which is moving from one VM, or physical machine, in our network to another. This traffic will never leave the datacenter, and in a lot of cases, will never leave the …

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NSX Packet Walks – VLAN Bridge

This is the fourth post in the NSX Packet Walks series. You probably want to start at the first post. Up to now we have focused on the traffic from one VM to another VM somewhere within the NSX system, as well as how traffic moves between physical hosts. But what if you’re data centre …

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