4 If using Blast Secure Gateway 5 Not using Blast Secure Gateway 6 Standard encoded RMI 7 RMI over SSL USB redirection traffic can also be side-channeled in the Blast Extreme port between the Unified Access Gateway and agent. HEVC provides up to 50 percent better compression with the same quality as H.264. In systems with multiple monitors, the encoder switch will use the best codec for each screen. H.264 applications that require higher color quality or that exhibit lack of clarity with H.264 alone. However, some use cases and situations require additional tuning, especially for wide area networks (WANs). The settings are configured in the Windows Registry of the Windows virtual and physical desktops and Microsoft RDSH servers. A Blast session is established between the client and agent (virtual desktop or RDSH server), using the TCP and, if available, UDP connection established through the Blast Secure Gateway. The registry location to configure Blast Extreme is: HKEY_LOCAL_MACHINE\SOFTWARE\Vmware, Inc.\Vmware Blast\Config. Horizon Client, on the client device, connects to a Connection Server on TCP port 443 for authentication and to request a desktop or application. Figure 2: Codec Options Available in the Horizon Client. Moving to the cloud? (the lowest currently supported setting). Note: Different types of client devices support different features of Blast Extreme. Join the community by engaging in forums, events, and our premier community programs. Access technical, third-party tips, tricks, and how-tos. The Blast Worker process ( VMBlastW.exe) captures the screen and handles everything within the session. Yes: Deselect all codecs and codec options (uncheck: H.264, Allow High Color Accuracy, and Allow High Efficiency Video Coding). EncoderAdaptiveEnabled Enables or turns off support for the VMware JPG/PNG codec. Enable High Color Accuracy (HCA) for H.264 if supporting an H.264 preferred use case that has exhibited display fuzziness, lack of font or image sharpness, or problems with color reproduction. Adust the Blast Encoder Image Cache Size and the Decoder Image Cache Size. 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. See the faces behind the names of our Tech Zone content. On the Security Server, run the downloaded VMware-Horizon-Connection-Server-x86_64-7.13.2.exe. These settings apply to HTML Access and all Horizon Client platforms. 1 enabled in both directions USB redirection traffic can also be side-channeled in the Blast Extreme port. Deselect all other codecs and codec options. Multimedia redirection traffic uses TCP 9427. TCP 443 is used between the client and the Connection Server. But when rapidly changing screen content such as streaming video is detected, Blast Extreme automatically switches to multimedia optimized H.264. Problem is with second file, which is growing sometimes up to 15GB, then new files are created. Desktop wallpaper unnecessarily expends both CPU resources to encode and network bandwidth to transfer. 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. For more information, see Configuring HTML5 Multimedia Redirection in Configuring Remote Desktop Features in Horizon 7. 1. Welcome to VMware Digital Workspace Tech Zone, your fastest path to understanding, evaluating, and deploying VMware End User Computing products. The following tuning options are recommended to increase display protocol quality for all use cases and applications. Deselect all other codecs and codec options. The authors wish to thank the following people for their contributions to this paper: To comment on this paper, contact VMware End-User-Computing Technical Marketing at euc_tech_content_feedback@vmware.com. Added information about OpenGL and DirectX compatibility with hardware GPUs in remoted physical PCs. To use Blast Extreme, the virtual or physical desktop pool or RDSH server farm must first be configured to use the protocol as the default, or be configured to allow users to choose it. The encoder switch dynamically switches between either the JPG/PNG codec or the Blast Codec, and H.264, depending on the screen content type. Blast Extreme was carefully designed to provide an excellent out-of-the-box experience, with no additional configuration required in almost all cases. Refer to Using Horizon to Access Physical Windows Machines for more information about using Blast Extreme with physical desktops. 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. Configuration Settings for Administrators, Tuning Blast Extreme for Wide Area Networks, Guidance for Work-from-Home and Home-Office-to-Cloud Use Cases, VMware Horizon Cloud Service on Microsoft Azure, A solid understanding of desktop and application virtualization, A good working knowledge of networking and infrastructure, covering topics such as Active Directory, Group Policy, and supporting technologies. However, if the network also supports interactive video, Blast Extreme is often marked one-level lower with a DSCP marking of AF31. Adjustable Encoder Image Cache Size and Decoder Image Cache Size settings. Monitors with higher screen resolutions, and use cases with multiple monitors, require more system resources, especially CPU and network bandwidth. Fortunately, Blast Extreme supports the H.264 codec for precisely this type of content. The Horizon Clients can use either IP version 4 or 6. Yes. New in Horizon 8 (2106): HEVC with High Dynamic Range (HDR) Encoding. NVIDIA Encoded H.264(H.264 Offloaded to GPU). If possible, implement network Quality of Service (QoS) to further help maximize the capacity of these Internet circuits and prevent competing network traffic from degrading the performance of Blast Extreme. Horizon Client 4.8 or later is required; Horizon Client 5.2 or later is recommended. only limits the bandwidth used to transfer the screen contents. 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. This can help determine the best architecture, understand the traffic flow, and network ports, and help in troubleshooting. The connection workflow descriptions in this section also include information about the configurable components of Blast Extreme and the various Blast Extreme services and processes that are built into the virtual desktop agent. Since first joining VMware in 2008, Mark has focused on helping customers succeed with their end-user computing endeavors. Blast gateway not running when a Certificate generated from IIS is used (89820) - This article outlines a scenario where a generated certificate key cannot be read and Blast fails. VMware has developed a free tool to optimize Windows desktops and servers. Note: At this point, the VMware Blast service on the agent side (Horizon Agent on the virtual desktop or RDSH server) proxies the incoming connection. AudioEnabled Enables or turns off audio support. 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). This configuration is ideal for digital photography, design and video production. It is therefore with great pleasure that we are able to bring you Real-Time Audio-Video functionality. VMware recommends configuring QoS to prioritize Blast Extreme one level below Voice over IP traffic, commonly the highest prioritized application. See, Worksheet for Creating an Instant-Clone Desktop Pool, You can also configure the remote display protocol at the RDSH server farm level. Yes: Select Allow H.264 Decoding. Essa conexo fornece o nvel necessrio de segurana e conectividade ao . Many of the codec options and Blast Extreme settings can be controlled by administrators. Figure 4: External Connection from Client to Agent Through the Unified Access Gateway. JpegQualityLow The lowest quality JPG/PNG will start with before building the screen to higher quality. VMware Blast detects the presence of a vGPU system and applies higher quality default settings. See our favorite tools, scripts, and flings from various sites. The log files are located in: :\ProgramData\VMware\VMware Blast\. Still, when logged into a virtual machine, there is no improvement to the quality of the picture when run on a Thin Client. Note: Requires Horizon Agent 7.10 and Horizon Client 5.2 or later. Another key Blast Extreme innovation is the encoder switch. Log File Locations for Client and Agent Components, Software Requirements for Physical Desktop Machines. In other words, the settings do not directly enable the feature, such as forcing all connections to use H.264. On the right, switch to the tab named Security Servers. Remember that you are separating the user and their keyboard, monitor, and mouse from the system they are actually using. Navigate the sophisticated world of Unified Access Gateway (UAG) for Workspace ONE and Horizon 8. Important: Many of the optimizations available to the other codecs have not yet been developed for the Blast Codec, including the ability to set custom image qualities. NVIDIA and AMD GPUs are not able to support OpenGL due to a limitation of their video drivers. Some of the codecs and codec options can be enabled using the Horizon Client, as shown in the following screenshot. It also tells whether a GPU is required on the client or server. For details about editing View Connection Server settings and security server settings, see the VMware Horizon View Administration documentation. Flash redirection causes the client to download and execute Flash content instead of rendering it in the virtual desktop and sending it across the WAN. 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. Using articles, videos and labs, this activity path provides the fastest way to learn Workspace ONE! When client-drive redirection (CDR) is enabled by the administrator, by default, the traffic is side-channeled on the Blast Extreme channel. This directory contains logs for the three Blast Extreme components: For more information about the entries in these log files, see How to Verify Configuration in the VMware Blast Extreme Optimization Guide. Become a desktop virtualization hero with our curated activity path. Horizon is a complete solution that delivers, manages, and protects virtual desktops, RDSH-published desktops, and applications across devices and locations. It is important to recognize, however, that no display protocol can provide a perfect LAN experience over typical WANs. Deep Dive into VMware Horizon Blast Extreme Adaptive Transport, VMware Horizon Blast Extreme Acceleration with NVIDIA GRID, 3D Graphics like never before with VMware Horizon and NVIDIA T4 GPUs, Frank Anderson, EUC Architect, EUC Technical Marketing, VMware, , EUC Architect, EUC Technical Marketing, VMware, Ramu Panayappan, Director, Virtual Workspace R&D, VMware, Mike Oliver, Staff Engineer, Virtual Workspace R&D, VMware, Salil Kanitkar, Senior Member of the Technical Staff, Virtual Workspace R&D, VMware, Matt Coppinger, Director, Technical Marketing and Enablement, EUC Technical Marketing, VMware. Workspace ONE Access, formerly known as Identity Manager, is a powerful tool. The fewer packets the display protocol has to transfer across the network, the fewer that will be affected by high latency. Get to know EUC vExperts from around the world. MinBandwidthKbp and MaxBandwidthKbps also impact all services, including audio and file transfer, while MaxBandwidthKbpsPerMegaPixelSlope only limits the bandwidth used to transfer the screen contents. Consider using the HEVC codec. 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. Figure 1: Choosing Blast Extreme in the Horizon Client Options. If multimedia redirection (MMR) is enabled, this traffic uses TCP port 443 from the client to the Horizon Tunnel on the Unified Access Gateway. These pages help you understand the breadth of our most popular products. In a typical environment, the admx policy files go into \\<domain name>\SYSVOL\<domain name>\Policies\PolicyDefinitions. VMware Blast Extreme Group Policy Settings The policy files required are vdm_blast.admx and vdm_blast.adml. VNCSERVER-WIN32: ***Setting topology completed by Nvidia Display***. 2. But that's not really the case on corporate owned, standardized and locked down devices. If USB redirection is enabled, this traffic uses TCP 32111 between the client and agent. By Peter Brown, Senior R&D Manager, and Tarique Chowdhury, Software Engineer For information about what's new with Horizon Real-Time Audio-Video, read this 2023 blog. Test the new Blast Codec. They are designed to have something for people of every experience level. Requires NVIDIA GPU. 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 embarking on widespread deployment. Use the new Blast Codec plus H.264 with the encoder switch to provide efficient support for nearly all work-from-home and home-office-to-cloud use cases. Chris Halstead co-authored the original version of this white paper. The Horizon Client authenticates to a Connection Server through the Unified Access Gateway. Set on the virtual desktop and RDSH server (agent side). Tuning to handle high latency starts with reducing bandwidth. Note: At this point, the VMware Blast service on the agent side (Horizon Agent on the virtual desktop or RDSH server) proxies the incoming TCP connection. VNCEncodeRegionNvEncGetHandle: region encoder NVIDIA NvEnc H264 using YUV 4:2:0 color space. If the testing is not successful, use JPG/PNG. 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. Yes: Select Allow High Efficiency Video Coding and Allow High Dynamic Range Decoding (HDR). More than 8 virtual CPUs might be required to support the most demanding use cases, especially video gaming, even with NVIDIA hardware GPUs. If desired, the traffic between the Unified Access Gateway and Horizon Agent can be configured to use a separate port (TCP 9427). Start here to discover how the Digital Workspace empowers the Public Sector. Blast Extreme is included with VMware Horizon, the latest generation of VMware desktop virtualization and remote application-delivery software. 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. compression format. Get all the Tech Zone demos in one place. On the VM registry I configured the following GPO values: In addition, I also tried to manually configure this registry setting: Configuring the Client Clipboard Memory Size (value of 8192 decimal) [despite the fact that is was configured in the above GPO When viewing the Blast logs on the VM I see the following entry: Blast-Worker-SessionId1.log Although this results in a similar reduction in the network bandwidth required, it uses substantially more CPU processing power to encode and decode. A codec is used to encode and decode the screen content transferred by Blast Extreme. The Connection Server returns the connection information for the virtual desktop or RDSH server to the client. Encoder Switch: Blast Codec and H.264 with HCA. Most settings make the option available to be used (set to 1) or not (set to 0). Be certain to test key applications and multimedia content before widespread deployment. This is also due to a limitation of desktop-class video drivers. 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. However, some applications and use cases require higher quality. On the client side, you can configure which codec or codecs to use for encoding and decoding the screen content transferred by Blast Extreme. Display communication protocols provide end users with a graphical interface to a remote desktop or published application. Same applications that are ideal for H.264 while offloading the encoding from the ESXi host CPUs to an NVIDIA GPU.
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