Dell Precision R5400 Manual
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Dell Precision R5400 Manual

Dell Precision R5400 Manual

Remote access device: networking considerations
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Teradici Corporation
#500-4400 Dominion St. Burnaby, B.C. V5G 4G3 Canada
p+1 604 451 5800 f+1 604 451 5818
www.teradici.com
®
A Teradici
White Paper
®
PC-over-IP
Technology on Enterprise Networks
Network Considerations for Large-scale Deployment
®
PC-over-IP (PCoIP
) technology is an innovative technology that solves remoting issues such as poor
responsiveness, lack of media or graphics support, OS image management challenges and peripheral
interoperability. PC-over-IP technology will change the desktop computing model by enabling desktop
consolidation benefits to be realized throughout the enterprise.
Teradici has developed breakthrough innovations in computer display, USB, and audio remoting to deliver a
true PC experience over standard IP networks from the datacenter to the user's desk. As such, PCoIP
technology enables a rich user experience not found in other remoting solutions or traditional thin clients. As
with any desktop consolidation solution, PCoIP technology is dependent upon the network performance
between the user and the centralized host computer. Unlike other solutions, however, Teradici's PCoIP
technology has been architected to optimize the transfer of user interface data and enables the full-fidelity user
experience that users have come to expect from traditional desktop PCs. Incorporated within this technology
are algorithms which dynamically adapt the levels of compression to maximize the user experience. These and
other advanced features simplify the roll-out and management of PCoIP systems, whether small installations or
large scale enterprise-wide deployment scenarios.
This paper introduces PCoIP technology and discusses LAN and campus network considerations for enabling
large scale desktop consolidation while maintaining a true PC experience for users.
TER0806005 Issue 1
1

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  • Page 1 Teradici Corporation #500-4400 Dominion St. Burnaby, B.C. V5G 4G3 Canada p+1 604 451 5800 f+1 604 451 5818 www.teradici.com ® A Teradici White Paper ® PC-over-IP Technology on Enterprise Networks Network Considerations for Large-scale Deployment ® PC-over-IP (PCoIP ) technology is an innovative technology that solves remoting issues such as poor responsiveness, lack of media or graphics support, OS image management challenges and peripheral interoperability.

  • Page 2: Table Of Contents

    Table of Contents PCoIP Technology: A New Beginning for the Personal Computer .................3 ..............................3 System Overview ..............................3 PCoIP Host Processor ............................4 PCoIP Portal Processor ..............................4 PCoIP Technology Network Considerations ..............................5 ...............................6 PCoIP Network Traffic Network Recommendations for PCoIP Deployments.....................6 ..................................6 Definitions ............................7 Segment the User Base...

  • Page 3: Pcoip Technology: A New Beginning For The Personal Computer

    PCoIP Technology: A New Beginning for the Personal Computer System Overview To create a PCoIP system, Teradici provides a two-chip solution that delivers the user’s desktop over a standard IP network. The PCoIP Host Processor is used in the centralized host PC or workstation, while the PCoIP Portal Processor is used in a small, stateless desktop “portal”...

  • Page 4: Pcoip Portal Processor

    The PCoIP Host Processor also adapts its traffic profile to fluctuations in available network resources – a key feature in large-scale PCoIP system deployments where high utilization and fair distribution of available network bandwidth is very important. The PCoIP Host Processor does not load the host PC in any way. The independent PCoIP Host Processor performs all the encoding and communication operations, freeing the host PC resources to perform the application and image rendering at full speed.

  • Page 5: Network Considerations

    Network Considerations In a PCoIP system, only the display and peripheral data leaves the corporate datacenter to the local user network. This changes the resource profile required compared to the traditional model of PCs and workstations located at the user’s desk. PCoIP Technology Networking Capability Summary: •...

  • Page 6: Pcoip Network Traffic

    The PCoIP Host Processor and PCoIP Portal Processor both generate network traffic between the centralized datacenter and the user desktop. To ensure desktop responsiveness, this process of compression, transmission, and rebuilding the desktop occurs in a very short time, typically less than 10ms. PCoIP Network Traffic PCoIP network traffic contains traffic for image data, USB and HD audio peripheral bridging, and system management.

  • Page 7: Segment The User Base

    Network Capacity – is the capacity of the network to forward packets, described in bits per second. Networks may have any number of capacity constrictions, including link-rates between switches, or internal switching limits of the switches themselves. This term is used in this document to describe the ability of the network to forward network data relative to the link planning bandwidth.

  • Page 8: Determine Per-User Planning Bandwidth

    Determine Per-User Planning Bandwidth Use the table below to determine the planning bandwidth per user. If a user has more than one display, use the column for the largest display. Table 2: User Category Planning Bandwidth Guidelines Display Resolution vs Planning Bandwidth Table User category 1024x768 1280x1024...

  • Page 9: Link Sizing

    Figure 4: Example 178 User PCoIP Technology Deployment Datacenter Datacenter User Network User Network Rack Rack Blade PC’s Blade PC’s Workgroup Switches Workgroup Switches Workstations Workstations 40x Task Workers 40x Task Workers 48 Task Workers 48 Task Workers 8x Knowledge Workers 8x Knowledge Workers 8x Task Workers 8x Task Workers...

  • Page 10: Rack Workstations -> Rack Workstation Switch Links

    Rack workstations -> rack workstation switch links Each rack workstation receives two Gigabit Ethernet connections to the rack workstation switch, one for the PC and one for the PCoIP traffic. Planning Bandwidth for each PCoIP link is: 60 * 1.1 = 66 Mbps Rack workstation switch ->...

  • Page 11: Off-Campus Network Considerations

    Off-Campus Network Considerations In an off-campus remoting environment (WAN or MAN), IT administrators will encounter a number of items which need special attention. These include: • restricted bandwidth environments • network latency • firewalls and virtual private networks (VPN’s) Restricted Bandwidth Environments In cases where the planning bandwidth is not available, the IT administrator needs to make tradeoffs to achieve the optimal experience.

  • Page 12: Firewall Considerations

    Firewall Considerations For PC-over-IP traffic to pass through a firewall, the firewall must be configured to support IPSEC traffic and also have the ports in Table 4 opened. Table 4: TCP and UDP Ports Required for a PC-over-IP System Port Port Number TCP Ports 21, 51, 80, 427, 443, 8000, 50000, 50001...
  • Page 13 Teradici Corporation #500-4400 Dominion St. Burnaby, B.C. V5G 4G3 Canada p+1 604 451 5800 f+1 604 451 5818 www.teradici.com The information contained in this document represents the current view of Teradici Corporation as of the date of publication. Because Teradici must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Teradici, and Teradici cannot guarantee the accuracy of any information presented after the date of publication.

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