Introduction
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Network Virtualization in a Nutshell…

Software Defined Networking and network virtualization in general relies on a centralized network controller to provide an API interface that can be accessed programmatically. The centralized network controller  translates API calls into instructions to hypervisors, switches, virtual appliances, and physical hardware appliances, creating logical network constructs. The network controller also has the job of tracking and maintaining network connectivity and security across the virtual and physical environment.

VMware NSX works with OpenStack Neutron in multi hypervisor environments (vSphere. XEN, KVM) using the Open Virtual Switch, and vSphere vCenter using the vSphere Distributed Switch.

The scope of NSX today is within the four walls of a data center or metro data center under control of  OpenStack or vCenter. In the NSX vSphere Edition, there is some nice integration with SRM, where SRM can be used to replicate logical network constructs to a remote vCenter/NSX.

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Introduction
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The Goldilocks Zone…

An awesome introduction to the “Goldilocks Zone” by Martin Casado – The relationship between the hypervisor and virtual workloads and the ability to provide enhanced security.

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Introduction
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NSX Resources

A great resource for anything you need to know about NSX… http://www.vmware.com/products/nsx/resources.html Probably my favorite link is the NSX TV on youtube http://www.youtube.com/user/vmwarensx

 

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Introduction
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Network Virtualization Introduction – VMware NSX

http://www.vmware.com/products/nsx/nsx-webinar.html

The VMware Networking and Security Business Unit (NSBU) has a great webinar series that provides an interactive 101 presentation on what NSX is. This presentation is hosted by the systems engineers from the NSBU including myself, I highly recommend it as a foundation for understanding network virtualization and VMware NSX capabilities!

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