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Network Virtualization In Action: Phoenix NAP

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Phoenix NAP® is a full service data center and primary network access point (NAP) offering cloud services, dedicated server hosting, colocation, and Infrastructure-as-a-Service (IaaS). William Bell, vice president of product development, cloud and enterprise services at Phoenix NAP, tells us that the company has implemented VMware network virtualization as a business-critical component of their new Read more...
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Network Virtualization Production Deployments Continue to Rise

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It was interesting to read this post on TechTarget that posed the question, “Is network virtualization real or just vaporware?” The facts are pretty clear that network virtualization is being deployed in production networks today to create business opportunities and solve infrastructure challenges for real-world customers. For example, NTT Communications, one of the world’s largest Read more...
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Network Virtualization – Monitoring And Troubleshooting Series

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This post was written by Martin Casado and Amar Padmanahban, with input from Scott Lowe, Bruce Davie, and T. Sridhar, and appeared on the Network Heresy Blog. There is a lot of discussion in the market surrounding. They will be publishing  a multi-part discussion on visibility and debugging in networks that provide network virtualization, and Read more...
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What is a Distributed Firewall?

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In the post “What is Network Virtualization?” I described a model where the application’s complete L2-L7 virtual network is decoupled from hardware and moved into a software abstraction layer for the express purpose of automation and business agility. In this post I’ll focus on network security, and describe an imminent firewall form factor enabled by Read more...
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Thinking Out Loud: The Future of VLANs

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This post originally appeared on the blog of Scott Lowe, a member of the VMware team and is a tremendous resource for information about all things virtualization.  It’s interesting to me how much the idea of a VLAN has invaded the consciousness of data center IT professionals. Data center folks primarily tasked with managing compute workloads are nearly Read more...