![]() ![]() Either way, our finding helped the customer narrow down the issue so they could remediate the problem. The users that were experiencing lag clearly had either an actual lack of bandwidth or some form of network congestion. It’ll never be a very accurate number, but the big difference does show a problem. A giant difference!īandwidth limit is the amount of bandwidth allocated to the remoting protocol. The users that had been reporting lag had about 1-2Mbit of bandwidth limit while the users that did not complain had 10-30Mbit. One item that was different was bandwidth limit. Plenty of headroom in terms of CPU, memory and IO(PS), and no major differences in network latency. Looking at the two sets of users, none of the traditional metrics showed any cause for concern. It can mean actual network lag or just a sluggish application. Now, lag is a term that isn’t very well defined. One set of VDI users reported lag on their VDI clients while the other group did not. During a recent customer visit, the customer asked me what might be going on with VDI users in a delivery group. You can specify the Maximum Transmission Unit (MTU) size for UDP packets for a session, from 500 to 1500 bytes.įor more information, see the "PCoIP General Settings" and the "VMware Blast Policy Settings" sections in the Horizon Remote Desktop Features and GPOs document.The ControlUp Support Team tends to see actual use cases - not theoretical best practices, but how the product is being used in production environments. You can also configure a lower limit, in kilobits per second, for the bandwidth that is reserved for the session, so that a user does not have to wait for bandwidth to become available. The bandwidth includes all imaging, audio, virtual channel, USB, and PCoIP or Blast control traffic. With regard to session bandwidth, you can configure the maximum bandwidth, in kilobits per second, to correspond to the type of network connection, such as a 4Mbit/s Internet connection.This control works well for static screen content that does not need to be updated or in situations where only a portion needs to be refreshed. The quality level setting allows you to limit the initial quality of the changed regions of the display image. You can configure the image quality level and frame rate used during periods of network congestion.If you use the PCoIP or the Blast Extreme display protocol from VMware, you can adjust several elements that affect bandwidth usage. Optimization Controls Available with PCoIP and Blast Extreme Frequent use of multimedia with limited use of full screen mode.Heavy use of Flash-embedded Web browsing.Heavy use of Microsoft Office applications. ![]() With the PCoIP or Blast Extreme display protocol, if you have an enterprise LAN with 100Mb or a 1Gb switched network, your end users can expect excellent performance under the following conditions: As a starting point for a pilot, plan for 150 to 200Kbps of capacity for a typical knowledge worker. Concurrent launches of streamed applications can also cause usage spikes.īecause the effects of these issues can vary widely, many companies monitor bandwidth consumption as part of a pilot project. The PCoIP and Blast Extreme display protocols provided by VMware adapt to varying latency and bandwidth conditions.įor display traffic, many elements can affect network bandwidth, such as protocol used, monitor resolution and configuration, and the amount of multimedia content in the workload. Certain virtual and physical networking components are required to accommodate a typical workload.įor Wide-Area networks (WANs), you must consider bandwidth constraints and latency issues. ![]()
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