Desktop Virtualization

HDX: A WebRTC manifesto

The HDX team’s mission is to deliver a high definition user experience that is as good as local — or better! We abide by that with every feature we develop.

Our graphics-remoting stack is constantly pushing the limit of what …


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A Great Time to Take XenServer for a Spin

Hello, Citrix community!

As we make our way through the last quarter of the year, I wanted to remind the Citrix community of the significant progress the XenServer team has achieved over the last 18 months to make XenServer the …


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Digging into a New Citrix App Layering Feature: Layer Import/Export

One new Citrix App Layering feature has been released with little fanfare, and it’s worth calling out, since customers have requested this feature quite often: the ability to export layers from one virtual appliance and import them into another.

Generally, …


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How Network Latency Impacts User Experience

“What is the recommended network latency for a good user experience in an ICA session?” This age-old question comes up all the time, and in true consulting fashion the answer is… it depends 😊

So, why is that? What does …


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Citrix Releases Cumulative Update 1 for XenServer 7.1 LTSR

Hello, Citrix community!

The XenServer team is pleased to announce the availability of XenServer 7.1 CU1, the first cumulative update for the XenServer 7.1 Long-Term Support Release (LTSR).

CU1 rolls-up all hotfixes released on XenServer 7.1 to date. While there …


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XenApp & XenDesktop 7.15 LTSR – The Blockbuster Release of the Summer

Virtualization-goers everywhere will be talking about it. Over two decades in the making. More than twelve million lines of field-proven source code. Featuring the latest star capabilities around security, flexibility and user experience. This is the one you’ve been waiting


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Estimate the Size of XenApp & XenDesktop Monitoring Database

With each successive release of Citrix XenApp and XenDesktop, monitoring and Analytics gets stronger and adds more information.

Citrix Director — the monitoring and troubleshooting solution for XenApp and XenDesktop — has introduced new monitoring capabilities, like CPU usage, memory


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VMware Horizon Virtualization Pack for Skype for Business

Optimizing Skype for EUC Is the Only Way to Go

You can run Skype for Business inside Horizon 7 virtual desktops without negatively affecting the virtual infrastructure and overloading the network. During Skype audio and video calls, all media processing takes place on the Windows client machine, instead of in the virtual desktop,.

To learn more about the Horizon Virtualization Pack for Skype for Business, watch the following two videos (each 10 minutes long) that provide a technical overview of the technology and offer some insights to its performance-enhancing characteristics.

Technical Overview for the Horizon Virtualization Pack (Video Presentation)

The technical overview for the Horizon Virtualization pack video covers the following topics:

  • Challenges delivering Skype audio and video media
  • How it works
  • Key benefits and capabilities
  • Architecture
  • External accessibility
  • Installation steps
  • Supportability
  • Troubleshooting and configuration
  • Resources

Horizon with Skype for Business Testing (Video Results)

The Horizon with Skype for Business Testing video demonstrates VMware Horizon 7 with Skype for Business for audio and video call scenarios. The video provides a series of test cases that show the benefits of the Horizon Virtualization Pack for Skype for Business. The video offers both qualitative and quantitative test results that compare two Horizon 7 deployment scenarios that include and exclude the Virtualization Pack.

The difference does not seem significant at first, but the impact is more far-reaching when you consider performance when scaling beyond the resource consumption of two sessions. When sites try to scale EUC workloads based on Skype for Business, the importance of using the Virtualization Pack becomes paramount, as is evident from the details of this study.

The testing environment consisted of:

  • VMware Horizon 7.2
  • VMware Client 4.5
  • Skype for Business
    • Server: Office 365
    • Client: Office 2016 Pro Plus, 32-bit
  • Horizon 7 test lab
    • Located in Washington state
    • Two Windows 10 Enterprise 64-bit virtual desktops
  • Horizon 7 test clients
    • Located in North and South Florida
    • Two Windows 10 systems

The configuration scenarios for the point-to-point video-call testing included:

  • Test 1: The first test scenario was configured for a point-to-point video call using the VMware Real-Time Audio-Video (RTAV) feature included with Horizon 7. Although RTAV supports webcams and audio devices, it is not the most efficient means for delivering Skype due to the media hairpinning and transcoding method that this technology uses. However, RTAV does serve as sufficient fallback for times when the Virtualization Pack cannot be used.

Testing was staged with virtual desktops hosted in Washington, and the client endpoint devices across the U.S., 3,000 miles away in Florida. There was over 100 ms of network latency that separated the virtual desktops from the endpoints. This is a great example of why media hairpinning is very costly; the audio and video from the local endpoints was sent to the virtual desktops, exchanged among the Skype clients, transcoded as part of the remote delivery protocol, and then finally delivered to the endpoints coast-to-coast a second time.

  • Test 2: The second test scenario was configured for a point-to-point video call using the VMware Horizon Virtualization Pack for Skype for Business feature included with Horizon 7. The Virtualization Pack is the optimized, best approach for delivering Skype because the audio and video media is delivered directly to and from the client endpoint devices without transcoding, and is routed out-of-band to the remote delivery protocol.

Test 2 used the same hosting environment, client endpoint devices, and network conditions as the first test scenario. Because the Virtualization Pack was enabled for this configuration, the audio and video media exchanges were contained in the endpoints and never traversed across the country. A clearer, better user experience can be observed in the captured footage while substantially fewer EUC infrastructure resources were consumed when compared to the first test scenario.

Be sure to watch the video in its entirety for other data points and details, as well as another testing scenario using a single desktop session.



These two videos provide a technical overview of the Horizon Virtualization Pack for Skype for Business and demonstrate the performance-enhancing characteristics of the technology.

  • VMware Horizon Virtualization Pack for Skype for Business – Technical Overview
  • VMware Horizon and Skype for Business Demonstration


The post VMware Horizon Virtualization Pack for Skype for Business appeared first on VMware End-User Computing Blog.

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Stay Ahead of the Citrix Technology Curve with Group Training

A “set and forget” IT strategy can have serious downsides. You may miss out on new capabilities that can simplify administration, increase security and availability, and improve the end-user experience.

That’s why you should consider training on the latest enhancements …


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Blending Virtual and Native Computing Worlds With Samsung DeX and VDI

Guest blog post from Jonathan Wong, Director Product Marketing, Samsung Mobile

To learn more about VDI and DeX, stop by Samsung booth #209 at Citrix Synergy, or see Jon in his Samsung breakout session on Wednesday, May 24, 11:30-12:15


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