Articles Tagged with Xen

Xen Founders Leave Citrix to Tackle Cloud Security Woes

At Citrix Synergy 2011 in San Francisco, last month, Simon Crosby made the case that the biggest barrier to the adoption of service-provider offered cloud services is the understandable lack of trust on the part of enterprise customers. Well it looks as if he and fellow Xen luminary Ian Pratt have decided to do something about that lack of trust and are moving on from Citrix to address the problem at its source. Ian and Simon announced today that they are both leaving Citrix and taking key roles along with with Gaurav Banga (the creator of Phoenix Hyperspace) as co-founders of cloud security start-up Bromium.

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Desktop Lifecycle Managment and what Novell has to offer

Mainstream virtual desktop solutions have focused their efforts on providing the best platform for hosting virtual desktop environments. Hypervisors, image management, and connection brokers are the top feature sets that companies have looked at during their comparisons. Moving up the stack, these vendors are now focusing on user personalization management, but do not have what is considered to be a full desktop management solution. So are our end-to-end virtual desktop solutions really complete?

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Open Source Year in Review

Open Source continues to be an important part of  the mix in Virtualization and Cloud. Indeed, this year has seen major developments in established players at the Operating System and Hypervisor level, as well as a major new cloud entry at the IaaS cloud layer.

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The Year Virtual Desktops became “Real”

Reviewing this year’s activity in the virtual desktop space has been very exciting. We have seen releases from almost all of the major vendors, and companies are beginning to truly adopt virtual desktops as a part of their overall desktop initiatives. I had the opportunity to speak with Aaron Cockerill, Senior Director of Product Management for XenDesktop at Citrix, recapping 2010, and more interestingly, looking at what’s in store for virtual desktops in the future.

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Client Hypervisor Security

The Virtualization Security Podcast on 10/7 was the second in a series of Virtual Desktop Security discussions we are having. The special guest panelist was Simon Graham of Virtual Computer, the makers of NxTop a client side hypervisor based on Xen. On this podcast, we went into the details of NxTop.

The engineers at Virtual Computer have thought about nearly everything when it comes to a Client Hypervisor. NxTop operates as a standalone or as a centrally managed client hypervisor. The difference is fairly stark. I feel that most people in the Enterprise would want to use the managed client hypervisor they have a one off situation. NxTop provides the following security features:

  • Encryption of the local hard disks
  • No local access to the Xen Dom-0 (Domain Zero).

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VMware, Novell and the CVP

There has been a lot of noise about a negotiations between VMware and Novell, rumors are that it regards the purchase of the SUSE division,  now firstly every thing that follows is pure supposition on my part, I have no insider knowledge.  A fellow analyst, Mike Norman, has put forward one argument on why a VMware purchase of Novell SUSE assets makes  good corporate sense,  however I would like put another idea into the fray.

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