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Table Of Contents
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:
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Two monitors (1920 x 1080)
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Heavy use of Microsoft Office applications
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Heavy use of Flash-embedded Web browsing
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Frequent use of multimedia with limited use of full screen mode
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Frequent use of USB-based peripherals
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Network-based printing
For more information, see the information guide called PCoIP Display Protocol: Information and Scenario-Based
Network Sizing Guide.
Optimization Controls Available with PCoIP and Blast Extreme
If you use the PCoIP or the Blast Extreme display protocol from VMware, you can adjust several elements
that affect bandwidth usage.
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You can configure the image quality level and frame rate used during periods of network congestion.
The quality level setting allows you to limit the initial quality of the changed regions of the display
image. You can also adjust the frame rate.
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.
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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. The bandwidth
includes all imaging, audio, virtual channel, USB, and PCoIP or Blast control traffic.
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. You can specify the
Maximum Transmission Unit (MTU) size for UDP packets for a session, from 500 to 1500 bytes.
For more information, see the "PCoIP General Settings" and the "VMware Blast Policy Settings" sections in
Setting Up Desktop and Application Pools in View.
Network Configuration Example
In a View 5.2 test pod in which one vCenter Server 5.1 instance managed 5 pools of 2,000 virtual machines in
each pool, each ESXi host had the following hardware and software for networking requirements.
NOTE This example was used in a View 5.2 setup, which was carried out prior to the release of VMware
Virtual SAN. For guidance on sizing and designing the key components of View virtual desktop
infrastructures for VMware Virtual SAN, see the white paper at
http://www.vmware.com/files/pdf/products/vsan/VMW-TMD-Virt-SAN-Dsn-Szing-Guid-Horizon-
View.pdf. Also, the example uses View Composer linked-clones, rather than instant clones, because the test
was performed with View 5.2. The instant clone feature is introduced with Horizon 7.
Physical components
for each host
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Brocade 1860 Fabric Adapter utilizing 10Gig Ethernet and FCoE for
network and storage traffic, respectively.
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Connection to a Brocade VCS Ethernet fabric consisting of 6 VDX6720-60
switches. The switches uplinked to the rest of the network with two 1GB
connections to a Juniper J6350 router.
vLAN summary
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One 10Gb vLAN per desktop pool (5 pools)
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One 1Gb vLAN for the management network
Chapter 4 Architecture Design Elements and Planning Guidelines for Remote Desktop Deployments
VMware, Inc. 69