In a discussion I had yesterday, I noticed that the networking world still has many arbitrary boundaries. It is what we do: create boundaries where none really exist. We do this to cut a problem down to size. Yet when that itself becomes the problem, we end up with design decisions based on our boundaries. …
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The Software-Defined Data Center with Nuage
The software-defined data center was all the rage at VMworld 2013, when NSX, VMware’s network virtualization platform, was announced. At VMworld 2014, the honeymoon of the NSX hype had worn off some, yet network virtualization is still a key growing and maturing technology. Nevertheless, it is still too immature for an all-out adoption at this …
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Annual Pilgrimage
It is that time of the year again when we make our annual pilgrimage to San Francisco’s Moscone Center for VMworld. I am looking forward to talking with all the friends and colleagues I only see in person once a year. This time around, VMworld will be a little different for me in that I …
Software-Defined Networking (SDN): What Is It?
SDN is getting a lot of hype at the moment. Coupled with its kissing cousin, network virtualization, it is all the buzz. So what exactly is it? At its most basic level, SDN is an approach to networking in which the control plane is decoupled from hardware and given over to a software controller.
Virtual Networking Is Not Network Virtualization
While SPB is a very interesting protocol, my questions were about how deep into the virtual environment the protocol extends. While SPB and other networking protocols are considered by some to be network virtualization, I could not see this within the realm of the virtual network and hence, confusion reigned supreme. Depending on who is talking to each other, the same words can mean many different things. What I found amazing, still, is that most people thinks networking ends at the physical NIC within the virtualization host, and that what is inside, does not matter as much as what is outside.
VMware Sponsors the Open Networking Research Center
In my humble opinion, 2011 was the year for storage inside the virtualization space with a lot of new storage related technologies presented at VMworld 2011. There were different technologies ranging from Tier 1 SSD storage in a box that can plug right into VMware vSphere as its own datastore, to all the software storage venders that are now virtualizing their Storage Processers. Yes, for me, 2011 was the year for storage in virtualization.