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This provides increased scalability and better performance, especially in CPU-constrained ESXi environments without NVIDIA GPUs. MinBandwidthKbp and MaxBandwidthKbps also impact all services, including audio and file transfer, while MaxBandwidthKbpsPerMegaPixelSlope only limits the bandwidth used to transfer the screen contents. All three howeverNVIDIA, AMD, and Intelare able to support Microsoft DirectX. With the Horizon 2106 release, we also announced support for the NVIDIA Ampere A10 and A40 GPUs. Activity Paths are guided and curated learning paths through modules and activities that help you cover the most content in the shortest amount of time. Connection Server 7.1 or later is required; Connection Server 7.10 or later is recommended. But it can also be used to support graphically intensive applications by leveraging the desktops physical GPU. See the faces behind the names of our Tech Zone content. Keep in mind that this may complicate WAN use cases. H.264s 4:4:4 GPU decoding is also not supported by many GPUs. Therefore, Blast Extreme can typically be left using its default setting of UDP unless the traffic must pass through a UDP-hostile network device such as a TCP-based SSL VPN. Easily manage VM Profile settings across images. Although Blast Extreme is designed to provide an excellent, out-of-the-box configuration for most use cases, some network conditions and applications require additional tuning. If the end user can be interrupted, or if you are performing configuration testing, the easiest way to see the running session configuration is to use the Horizon Performance Tracker if it is installed. NVIDIA Encoded H.264(H.264 Offloaded to GPU). Welcome to VMware Digital Workspace Tech Zone, your fastest path to understanding, evaluating, and deploying VMware End User Computing products. The range is 136, where 1 is the highest quality. Blast Extreme is a display protocol built by VMware to deliver an immersive, feature-rich experience for end users across devices, locations, media, and network connections. If the testing is not successful, use JPG/PNG. HEVC also requires clients to have physical GPUs with H.265 decode support, but fortunately, as with H.264, most client devices manufactured since 2015 have them. Note that this guidance does not include Metropolitan Area Networks (MANs) or similar LANs over long distance, which typically have as much, if not more, bandwidth than common user LANs. Most Macs, laptops, and Windows PCs manufactured in 2013 or later. It is especially good at reproducing intricate fonts and other screen content with fine details, including still images and low-motion 3D modeling used by design and engineering applications. While the JPG algorithm attempts to remove only redundant data, in practice other data is lost as well. SwitchEnc: 1 Screen 0 switching to h264 4:4:4 encoder. If UDP is enabled on the client, the Unified Access Gateway, and the agent (default), the client attempts to make a UDP connection to the agent via the Unified Access Gateway. The settings allow you to manage the maximum bandwidth that any one user can consume. If UDP is not enabled or is blocked, the initial TCP connection (Step 3) is used instead. Horizon Client version 5.2 only also requires a special configuration file on the client (see the note following this table). If UDP is not enabled or is blocked, the initial TCP connection (Step 3) is used instead. Click OK to remove the IPSec rules. Deselect all other codecs and codec options. (Requires NVIDIA GPU), VNCRegionEncoder_Create: region encoder NVIDIA NvEnc HEVC. The VMware Operating System Optimization Tool can be downloaded from, https://flings.vmware.com/vmware-os-optimization-tool. However, if the network also supports interactive video, Blast Extreme is often marked one-level lower with a DSCP marking of AF31. (maximum display bandwidth) to either the circuit speed or the maximum desired bandwidth utilization per user.The former option allows Blast to burst and use more bandwidth when necessary, while the latter attempts to more strictly control it. Three Blast Extreme components are built into the Horizon Agent, which administrators install in virtual desktops and Microsoft RDSH servers: Log files related to Blast Extreme can be found in the following locations: To collect logs on a Mac, you can use the Horizon Collector for Mac Fling (which like all VMware flings, is not officially supported). Yes. Although JPG/PNG and the Blast Codec are ideal for ensuring still image quality, this capability hinders their ability to efficiently support rapidly moving screen content and motion graphics such as streaming video, video editing, and gaming. When client-drive redirection (CDR) is enabled by the administrator, this traffic goes through the Horizon Tunnel on the Unified Access Gateway appliance. Like the codec and transport options, they can be set using Group Policy or using your preferred method of making registry changes. Like high latency, tuning for packet loss starts with reducing bandwidth. If the testing in your environment is not successful, use JPG/PNG. Navigate to Virtual Machine > Settings (Fusion) or VM > Settings (Workstation). Figure 2: Internal Connection from Client to Agent Using Blast Extreme. Diagrams show which ports are used at which locations, and the numbered lists that follow the diagrams show what is happening at each connection. Added information about OpenGL and DirectX compatibility with hardware GPUs in remoted physical PCs. A stated goal in the VMware Horizon documentation is "to provide an excellent out-of-the-box configuration for most local area network (LAN) use cases, negating the need to perform complex tuning or learn hundreds of policy settings." VMware notes that "some use cases and situations require additional tuning, especially for wide area networks . Most settings make the option available to be used (set to 1) or not (set to 0). Begin your journey leveraging cloud-based services for desktop environments. In testing, viewing a YouTube video in a standard window instead of full-screen reduced bandwidth utilization by 53 percent. Let us help you become the hero of your department. If users experience any of these issues, HCA can be enabled to improve quality while preserving H.264s multimedia efficiency. It is remarkable that this setup can be made to work over a WAN at all! Requires NVIDIA GPU. HTML5 multimedia redirection transfers this screen content to the client as HTML5 code instead of far less efficient display protocol traffic. Although RAM is rarely the bottleneck, monitor RAM to ensure it is not being over utilized by applications. Set, Use Blast Extreme clipboard settings to reduce or block using the clipboard. Readers should also have a solid understanding of desktop and application virtualization, as well as a good working knowledge of networking and supporting infrastructure, covering topics such as Active Directory, Group Policy, and supporting technologies. By design, Blast Extreme provides an excellent out-of-the-box user experience for typical applications and use cases on LANs. Explore how VMware can help solve an IT team's most pressing digital workspace challenges. Figure 1: Choosing Blast Extreme in the Horizon Client Options. Critical Horizon features and components, such as the Blast Extreme display protocol, instant-clone provisioning, VMware App Volumes application delivery, and VMware Dynamic Environment Manager , are integrated with published applications and desktops to provide a seamless user experience and an easy-to-manage, scalable solution. The table in each section outlines the settings configured by the application template. If users are experiencing poor text or image clarity in certain applications with H.264 alone, Blast Extreme can be configured to use High Color Accuracy (HCA). Information on how to enable build-to-lossless mode is covered in the next chapter, How to Configure Blast Extreme. The traffic uses the native port for each of the remote experience features between the Connection Server and the agent: With an external connection, the client is connecting from outside the corporate network to the Unified Access Gateway. Introduced in Horizon 8 (2106) is support for High Dynamic Range (HDR) encoding to provide higher graphical quality with vastly improved color range and contrast. The 4:2:0 sample rate can result in color washout as well as text or image fuzziness when using some applications (for example, CAD) or some color combinations. Yes: Select Allow High Efficiency Video Coding. VMware Blast performance and end-user experience acceleration Blast is now the new default. Quando os clientes se conectam a uma rea de trabalho ou aplicativo remoto com o protocolo de exibio PCoIP ou Blast Extreme do VMware, o Horizon Client pode fazer uma segunda conexo com o componente do Secure Gateway aplicvel em uma instncia do intermedirio de conexo ou Unified Access Gateway appliance. Find assets to help you develop an adoption strategy that engages employees through careful messaging, education, and promotion. Note: Requires Horizon Agent 7.10 and VMware Horizon Client 5.2 or later. NVIDIA H.264 with HighColorAccuracy (which like all VMware flings, is not officially supported). Display communication protocols provide end users with a graphical interface to a remote desktop or published application. The VMware virtual desktop pool setting in the Horizon administrative console You'll need to set the video resolution and the monitor account to their maximum values. Blast-Worker-SessionID#.txt. NVIDIA Encoded H.264 (H.264 offloaded to GPU), NVIDIA Encoded H.264 (H.264 offloaded to GPU) with HCA. For mixed workloads, use the encoder switch to dynamically switch between the new Blast Codec or JPG/PNG and H.264 codecs. Blast Extreme uses the latest security algorithms, including SHA-256. The author wishes to thank the following people for their contributions to this paper and the growing knowledge of how to optimize VMware Blast Extreme: To comment on this paper, contact VMware End-User-Computing Technical Marketing at euc_tech_content_feedback@vmware.com. Follow these guidelines: Note that while the optimizations in this section are typically used with WANs, they can also be used on the LAN if Blast Extremes default settings use more bandwidth or other resources than desired. Updated product documentation links to use Horizon 8 documentation. The default setting of 6200 is geared towards efficiently supporting a medium-quality use case. For information about configuring this setting, see the guides Setting Up Virtual Desktops in Horizon, Setting Up Published Desktops and Applications in Horizon, and Administering Cloud Pod Architecture in Horizon, available from the VMware Horizon Documentation site. Get to know and understand the Anywhere Workspace solution. Note, however, that the encoder switch cannot currently be used with High Efficiency Video Coding (HEVC) or when H.264 and H.264 with High Color Accuracy encoding is offloaded to an NVIDIA GPU. New in Horizon 8 (2106): HEVC with High Dynamic Range (HDR) Encoding. After a fair amount of research, we came to the conclusion that it is best to run cameras on Thin Clients, as opposed to Zero Clients. Be certain to test any QoS configuration extensively to ensure not just proper performance for Blast Extreme, but that the configuration does not negatively impair other applications and services that the network must also support. PixelProviderHDRReferenceWhite - Introduced in Horizon 8 (2106). It also causes some screen content to letterbox, which may impair user experience. Yes: Deselect all codecs and codec options (uncheck: H.264, Allow High Color Accuracy, and Allow High Efficiency Video Coding). If you are using Horizon Client for macOS 5.0 or later, this Horizon Collector functionality is included in Horizon Client. The following diagram shows the ports used for an internal connection, and the list that follows describes the order in which the connections are made. Type: REG_SZ. Expanded the guidance on how to enable different codecs and verify the running configuration. Internal testing resulted In a 12 percent bandwidth savings by doubling the size of both caches to 512 MB. Increase the frame rate. If i look into the Settings of the vmware microphone, i can just choose between 8000 Hz and 16000 Hz (default is 8000Hz). Start with these recommendations before moving on to more specialized settings. NVIDIA and AMD GPUs are not able to support OpenGL due to a limitation of their video drivers. Set-ItemProperty -Path "HKLM:\SOFTWARE\VMware, Inc.\VMware Blast\Config" -Name "SslHash" -Value $regthumb # Fill the SslHash for Blast to use the computernamed certificate # Restart the Blast service to take effect Restart-Service -Name VMBlast -Force } Kind regards, Ralph Hofman Share Reply 0 Kudos chsa_topsoe Contributor 11-17-2021 04:03 PM Highlight the Security Server, then click the menu named More Commands and click Prepare for Upgrade or Reinstallation. This is simply due to the larger number of pixels that must be supported at higher resolutions. Do not attempt to support high-quality use cases over a WAN or poorly functioning network. Applications that require higher graphical quality with improved color range and contrast, such as digital photography. VNCSERVER-WIN32: Successfully changed the NV display. Support full-motion video at 4K display resolution or above without HTML5 redirection. Figure 2: Codec Options Available in the Horizon Client. Click the View All button for the full list. If other optimizations are not working as expected, verify there are no settings in HKEY_CURRENT_USER. See. Other codec options can only be enabled by administrators and also require a corresponding Horizon Client setting. Blast Extreme will always resort to using more bandwidth, if necessary, to prevent the session from crashing. Set, Turn off audio unless absolutely required. VMware built Blast Extreme to handle even the most demanding graphical workloads, including medical imaging and designing geographic information systems (GIS) applications used for analyzing large data sets, creating maps, and visualizing scenarios of the outside world, in both 2D and 3D. When traffic must pass through a UDP-hostile network service or device such as a TCP-based SSL VPN, which re-packages UDP in TCP packets, If WAN circuits are experiencing very high latency (250 milliseconds and greater). Added information about the Blast Codec, which was introduced in the Horizon 7.10 release, and new information about the encoder switch. Is there a GPO or something? Typical Microsoft Office use, for example, results in a very low display protocol frame rate. If the Horizon Performance Tracker cannot be used or does not provide the desired details, the most effective way to verify the Blast Extreme configuration is to examine the log files on the virtual desktops, physical desktops, or RDSH servers. With the exception of Build-to-Lossless which impacts all screens at all resolutions, each logfile entry denotes the codec used, the number of the screen (monitor) being configured of the total number, and its display resolution. This configuration is ideal for digital photography, design and video production. Blast Extreme supports four codecs: JPG/PNG, H.264, HEVC (H.265), and the new Blast Codec. Same applications that are ideal for H.264 with HCA while offloading the encoding from the ESXi host CPUs to an NVIDIA GPU. The following updates were made to this guide. HEVC also requires a client device capable of HEVC GPU decoding. Customize your Workspace ONE and Horizon adoption communications using our templates as a starting point. Visit these other VMware sites for additional resources and content. If the file does not exist, it will create it with the blast settings already enabled. HEVC requires NVIDIA GPUs to be installed in the ESXi hosts to offload encoding. Become a desktop virtualization hero with our curated activity path. Deselect all other codecs and codec options. Welcome to VMware Digital Workspace Tech Zone, your fastest path to understanding, evaluating, and deploying VMware End User Computing products. With an internal connection, the client, the server, and the virtual desktop or RDSH server are all inside the corporate network. 3 enabled server to client only. This guide provides detailed information on how to configure and optimize Blast Extreme for these situations. These settings apply to HTML Access and all Horizon Client platforms. The connection travels from the client to a Unified Access Gateway virtual appliance on TCP port 443, and then from the Unified Access Gateway to the Connection Server on TCP port 443. Entitle users to desktops and published applications. The following table documents the key codec and transport settings. A key design principle with VMware Blast Extreme is to offload graphics processing from the CPU, which reduces the power consumption for accessing a desktop. Test the new Blast Codec unless this use-case is primarily in support of full motion video or high-speed motion graphics such as gaming. . At Tech Zone, our mission is to provide the resources you need, wherever you are in your digital workspace journey. Although Blast Extreme has been able to provide a functional desktop and application experience when packet loss is in excess of 20 percent, it is with noticeable degradation to user experience. TCP port 9427 is then used from the Unified Access Gateway to the agent. Actual results will depend on the application workloads and usage patterns. This is due to the much higher graphical quality this hardware-enabled configuration provides. Applications that require the same quality as H.264 with less bandwidth utilization or that require higher quality with similar bandwidth utilization as H.264. If Sound Card is not available in the Settings pane, click Add Device > Sound Card, then click Add. Note: Despite the presence of a physical GPU, Blast Extreme with physical desktops is not able to offload H.264, H.264 with High Color Accuracy, or High Efficiency Video Coding (HEVC) encoding, even with NVIDIA GPUs. Yes: Select Allow H.264 Decoding. Added new observations on the impact of increasing screen resolution on key system resources. However, it does increase client CPU utilization by up to 200 percent for the duration of the redirection (from an average of 8 to 24 percent on a sample test system). Windows desktop and server operating systems are not designed for efficient virtualization. Developed for a variety of workloads, Blast is optimized for an ideal user experience and resource consumption. If desired, the traffic between the Unified Access Gateway and Horizon Agent can be configured to use a separate port (TCP 9427). JpegQualityLow The lowest quality JPG/PNG will start with before building the screen to higher quality. Although this results in a similar reduction in the network bandwidth required, it uses substantially more CPU processing power to encode and decode. SwitchEnc: 1 Screen 2 switching to adaptive encoder. General Settings The following table describes the general settings in the Horizon Client Configuration ADMX template file. EncoderAdaptiveEnabled Enables or turns off support for the VMware JPG/PNG codec. Display protocols have similar performance characteristics. For more information, see Configuring HTML5 Multimedia Redirection in Configuring Remote Desktop Features in Horizon 7. Essa conexo fornece o nvel necessrio de segurana e conectividade ao . Here's a screen shot of the codec settings from the Horizon client: If you uncheck the option, "Allow H.264 decoding," you'll fall back to JPG/PNG and Performance Tracker will report, "adaptive", as the encoder. (maximum display bandwidth) to the maximum desired bandwidth utilization per user. Optimized for the mobile cloud, VMware Blast Extreme supports a broad range of client devices, including Windows, Linux, Mac, Android, iOS, Chrome, and web (HTML Access) clients. Chris Halstead co-authored the original version of this white paper. This is also due to a limitation of desktop-class video drivers. Update for VMware Horizon 7 versions 7.1 and 7.2. The encoder switch dynamically switches between either the JPG/PNG codec or the Blast Codec, and H.264, depending on the screen content type. HDR also requires Horizon 8 (210) or later with Horizon Agent build 2106-8.3.0-18287218 or later and Horizon Client build 2106-8.3.0-18287501 or later. Note: To open the dialog box for changing VM settings, in the vSphere Web Client, right-click the VM in the inventory, and select Edit Settings. When multimedia redirection (MMR), client-drive redirection (CDR), USB redirection, or some combination of these are enabled by the administrator, this traffic goes through the HTTPS Secure Tunnel on the Connection Server. HEVC supports higher-quality imaging with less bandwidth utilization than H.264. Another important aspect to consider is the size of the monitor (or monitors) to be used, and their screen resolutions. To find out which Blast Extreme settings are available for a specific client platform, see the Horizon Client user guide for that platform, available from the VMware Horizon Client Documentation page. On the client side, you can configure which codec or codecs to use for encoding and decoding the screen content transferred by Blast Extreme. Blast Extreme includes the following security features to support Horizon: Display protocols must be able to efficiently provide the best user experience for various types of screen content, including text, still images, streaming video, 3D rendering, and audio. Set on the virtual desktop and RDSH server (agent side). :\ProgramData\VMware\VMware Blast\. For external connections: Unified Access Gateway 2.9 or later. Let's set this to "Enabled" and set it to 60. VNCEncodeRegionNvEncGetHandle: region encoder NVIDIA NvEnc H264 using YUV 4:4:4 color space. It also causes some screen content to letterbox, which may impair user experience. Navigate the sophisticated world of Unified Access Gateway (UAG) for Workspace ONE and Horizon 8. Feature parity with the VMware PCoIP display protocol. If multimedia redirection (MMR) is enabled, this traffic uses TCP port 443 from the client to the Horizon Tunnel on the Unified Access Gateway. MainApp::OnEncoderConfigChanged: Encoder config changed: EncoderBuildToPNG = 1. Keep in mind that MinBandwidthKbp and MaxBandwidthKbps also impact all services, including audio and file transfer, while MaxBandwidthKbpsPerMegaPixelSlope only limits the bandwidth used to transfer the screen contents. In this file, add the single line: RemoteDisplay.allowClientBlastCodec = TRUE. captures the screen and handles everything within the session. 8 Use View Administrator to configure the Blast External URL setting to use for the Blast Secure Gateway on the applicable View Connection Server instances and security servers. 1 enable upload and download Most configuration settings can be made directly in the Windows Registry of each virtual and physical desktop and RDSH server using your preferred tool for making such registry changes. While most of our environment is running PCoIP, we have also tested with BLAST. One of his key roles as Senior Product Line Manager on the VMware Desktop Product Management team is leading the effort to benchmark and develop comprehensive guidance for VMware Blast Extreme. Yes: Select Allow H.264 on the client. manages user sessions, proxies incoming TCP connections, and prepares the Blast Worker process. ) This means that display content encoded and compressed using PNG alone can be restored to match the quality of the original content. Multimedia applications such as streaming video, video games, and productivity applications with rapidly changing content. Testing has shown this enables smooth 4K video playback without need for hardware GPUs. The VMware Workspace ONE and Horizon Reference Architecture guide provides guidance for architecting Workspace ONE and Horizon deployments. This can result in H.264 being used for one display and JPG/PNG or the Blast Codec being used for another simultaneously. Information on how to enable the new Blast Codec is covered in the next chapter, How to Configure Blast Extreme. Before starting to plan or trying to troubleshoot Horizon and Blast connections, it is important to understand how a VMware Horizon Client connects to a resource. There is two files in this directory C:\ProgramData\Vmware\Vmware Blast: blast-service.log. Testing has shown this reduces the bandwidth required to support such content by up to 80 percent. In systems with multiple monitors, the encoder switch will use the best codec for each screen. It also causes some screen content to letterbox, which may impair user experience. The actual size of the cache will be the lesser of this value, and the value of EncoderImageCacheSizeKB set on the agent side but cannot exceed half of the available RAM. Consider using HCA for H.264 with the encoder switch to dynamically match the highest-quality H.264 configuration with the Blast Codec or JPG/PNG. Some tradeoff in system configuration, supportable applications, and user experience is to be expected. Access technical, third-party tips, tricks, and how-tos. This step-by-step setup of VSs leverages the Kemp application template for Horizon 7 and Horizon 8. Keep in mind, however, that Blast Extreme will always resort to using more bandwidth, if necessary, to prevent the session from crashing. 1 enabled in both directions Running traditionally full-screen applications in a window instead of full-screen can also slash bandwidth utilization. Each setting is a string value (REG_SZ). There are a couple of logs you can look at that will give you Blast Extreme related information: C:\ProgramData\VMware\VMware Blast\ Blast-Service.log. It also tells whether a GPU is required on the client or server. Encoder Switch: Do not starve the virtual desktops and RDSH servers of resources. More than 8 virtual CPUs might be required to support the most demanding use cases, especially video gaming, even with NVIDIA hardware GPUs. Limiting the resolution of employees monitors also greatly reduces Internet circuit bandwidth utilization. Navigate the sophisticated world of Unified Access Gateway (UAG) for Workspace ONE and Horizon 8. Without QoS, there is nothing to prevent lower value network traffic from impairing the performance of time-sensitive applications including Voice over IP and virtual desktops supported by display protocols like Blast Extreme. Computer Configuration -> Policies -> Administrative Templates -> VMware Blast -> Max Frame Rate. Mark Ewert is a Senior Product Line Manager, EUC Desktop Products, VMware. Let us help you learn how to use it. USB redirection traffic can also be side-channeled in the Blast Extreme port between the Unified Access Gateway and agent. Introduced in Horizon 8 (2111) is the ability to adjust the size of the Blast codec cache. If possible, prevent or encourage only limited use of bandwidth-intensive services such as file transfer. Explore the latest VMware tools designed to get your end-user computing environment running smoothly and efficiently. Blast Extreme supports two transport protocols to carry the display traffic between clients and the Horizon infrastructure: TCP (Transmission Control Protocol) and UDP (User Datagram Protocol). Be certain to test key applications and multimedia content before widespread deployment. And if Blast Extreme encounters problems making its initial connection over UDP, it will automatically switch and use TCP for the session instead. See our favorite tools, scripts, and flings from various sites. Get all the Tech Zone demos in one place. VMware made the DPI setting on the client device leading and adjusts the remote desktop accordingly. Instructions for configuring all of the Blast Extreme codec options are provided in the next chapter, How to Configure Blast Extreme. Applications requiring lossless reproduction of original screen content such as non-diagnostic medical imaging. Using articles, videos and labs, this activity path provides the fastest way to learn Workspace ONE!

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