24 search results for "vnetwork"

Distributed Virtual Switch Failures: Failing-Safe

February 10, 2011
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Distributed Virtual Switch Failures: Failing-Safe

In my virtual environment recently, I experienced two major failures. The first was with VMware vNetwork Distributed Switch and the second was related to the use of a VMware vShield. Both led to catastrophic failures, that could have easily been avoided if these two subsystems failed-safe instead of failing-closed. VMware vSphere is all about availability,…

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Blade Physical-Virtual Networking and Virtualization Security

December 15, 2010
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Blade Physical-Virtual Networking and Virtualization Security

I have been thinking about blades and virtualization security for some time spurred on by a conversation with Brad Hedlund six months ago. Nearly all my customers use Blades and virtualization security is a big concern to them. In my Rethinking vNetwork Security article, I touched on some of the issues in response to Brad's…

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vSphere 4.1 Released – More Dynamic Resource Load Balancing

July 13, 2010
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vSphere 4.1 Released – More Dynamic Resource Load Balancing

With the release of vSphere 4.1, VMware has added to their Dynamic Resource Load Balancing (DRLB) suite of tools that I hinted at in my post on Dynamic Resource Load Balancing that I wrote last week as well as providing new memory over commit and other functionality. In essence, vSphere 4.1 is more than a…

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vSecurity gets a boost from TPM/TXT

June 29, 2010
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During the Virtualization Security Podcast on 6/22, Steve Orrin of Intel and Dennis Morreau of RSA joined us to discuss the impact of Intel Westmere chips built-in Trusted Platform Module (TPM) and Trusted Execution Technology (TXT) on Cloud and Virtualization Security. TPM is not all that new, but TXT's usage in virtualization security is new.…

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If the Virtualization Security Products had no Firewall?

June 10, 2010
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The security companies are looking into all aspects of virtual environment introspection to label, tag, or mark all objects for compliance reasons, inspect the contents of virtual machines for asset management (CMDB), and an early form of Root Kit detection. Virtualization Security is not just about the firewall, it is about the entire ecosystem, auditing,…

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Virtualization Security Technologies… Pushing the Envelope

June 4, 2010
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During the Virtualization Security Podcast on 5/13, IBM's David Abercrombie joined us to discuss IBM's Virtualization Security Protection for VMware (VSP) which contains several exciting uses of the VMsafe API for VMware vSphere. These being: * Network: Network Monitoring, Firewall, Access Control, and a Protocol Analysis Module * Memory: Rootkit Detection

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Virtualization Security for the SMB, Starting Point for All

March 16, 2010
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The most recent Virtualization Security Podcast was on the subject of virtualization security for the SMB. Specifically cover the case where the customer wanting virtualization security could afford to purchase a hypervisor and perhaps one other security product. In the end the panelists came up with a list of suggestions for virtualization security for the…

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Virtualization Security Product Space Heating Up!

March 12, 2010
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There are now more players in the virtualization security product space. While at RSA Conference 2010 I walked the show floor in search of these vendors to discover what they were doing. While some vendors do not address virtualization security, the vast majority are either looking to do so or actually have a virtualization security…

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Cisco – VMware – NetApp an Interesting Approach to Secure Multi-Tenancy

March 3, 2010
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The Cisco-VMware-NetApp (CVN) was discussed on the Virtualization Security Podcast as it pertains to Secure Multi-Tenancy (SMT). This is a major concern that was also discussed at RSA Conference 2010 within the Cloud Security Alliance Summit. The question still remains how to achieve this goal however. CVN is a very good start, but as we…

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