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On Network Virtualization and SDN

Scott Lowe

Is there a difference between network virtualization and Software-Defined Networking (SDN)? So, in a similar fashion to my post on network overlays vs. network virtualization , I thought I’d weigh in with some thoughts. With this definition in hand, let’s compare network virtualization to SDN.

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Technology Short Take 123

Scott Lowe

Eric Sloof mentions the NSX-T load balancing encyclopedia (found here ), which intends to be an authoritative resource to NSX-T load balancing configuration and management. Readers can, of course, extrapolate from the concepts presented here to include other development environments. Virtualization.

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Technology Short Take 153

Scott Lowe

Xavier Avrillier walks readers through using Antrea (a Kubernetes CNI built on top of Open vSwitch—a topic I’ve touched on a time or two) to provide on-premise load balancing in Kubernetes. Virtualization. Servers/Hardware. Cabling is hardware, right? Some of it is still too advanced for me right now.

Linux 74
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VMworld 2013 Day 2 Keynote

Scott Lowe

Carl also revisits the three “imperatives” that Pat shared yesterday: Extending virtualization to all of it. Carl brings out Kit Colbert, a principal engineer at VMware (and someone who relatively well-recognized within the virtualization community). Networking Storage Virtualization VMware VMworld2013'

Vmware 67
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VDI is dying so what now?

Virtualized Greek

” One of my more nerve striking posts and point of views is on the death of virtual desktop infrastructure VDI. Citrix is the king of VDI and has looked to diversify into server virtualization, cloud computing and other data center technologies such as load balancers. Virtualization VDI'

Vmware 84
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Technology Short Take 95

Scott Lowe

has a nice write-up on Cisco XR stemming from a presentation at NFD 17. VPCs, or Virtual Private Clouds, are Amazon’s software-defined networking mechanism for workloads running on AWS.). Viktor van den Berg writes on deploying NSX load balancers with vRA. Virtualization. I hope it proves useful! Networking.

Vmware 60
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CLDS006: Exploring New Xeon E5 Optimizations for 10 Gb Ethernet

Scott Lowe

Next the presentation shifts focus a little bit to discuss FCoE. Johnson shows a great diagram that reviews all the various types of VM-to-VM communications that can exist in modern data centers: VM-to-VM (on the same host) via the software-based virtual switch (could be speeds of 30 to 40 Gbps in this use case).

Intel 109