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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. Last week I had the opportunity to join John Troyer on the VMware Communities podcast.

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Is Cisco fighting a losing battle over SDN?

Virtualized Greek

This is different from the current software first movement in that Cisco’s approach is based on their hardware first view of the network. All of Cisco’s major vendors are lined up in support of VMware’s NSX software based virtualization solution. F5 – Security/Load Balancing. Network Cisco NSX VMWare'

Vmware 78
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Technology Short Take 95

Scott Lowe

VMware recently released a reference design guide for NSX-T; see here for more details. 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. Networking.

Vmware 60
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VMworld 2013 Day 2 Keynote

Scott Lowe

VMware NSX, VMware VSAN, VMware Hybrid Cloud Service, and the expansion of the availability of Cloud Foundry. “This is the power of software”, according to Carl. Carl also revisits the three “imperatives” that Pat shared yesterday: Extending virtualization to all of it. What does it give IT?

Vmware 67
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Fountainhead: New AWS enable "Real" Elastic Clouds

Fountainhead

Insights into Data Center Infrastructure, Virtualization, and Cloud Computing. While not new concepts, they illustrate how "real" cloud computing elasticity works, and challenge a few other virtualization & automation providers to do the same. skip to main | skip to sidebar. Fountainhead. Monday, May 18, 2009. automatically.

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CLDS006: Exploring New Xeon E5 Optimizations for 10 Gb Ethernet

Scott Lowe

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). Johnson next transitions into a discussion of VF failover using NIC teaming software.

Intel 109
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Technology Short Take 102

Scott Lowe

Bernd Malmqvist talks about Avi Networks’ software-defined load balancing solution, including providing an overview of how to use Vagrant to test it yourself. Cormac Hogan walks through setting up the Minio object store on top of VMware vSAN. Virtualization. Julia Evans provides a quick overview of Wireshark.