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Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

About this document

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Purpose. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Intended audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Document styles and conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 For more information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

HP Velocity FAQ

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General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 How does HP Velocity improve the user Quality of Experience (QoE)? . . . . . . . . . . . . . . . . . . . . 7 Does HP Velocity introduce latency? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 What is HP Velocity’s impact on available bandwidth? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 What is an HP Velocity-protected flow? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 What is an HP Velocity-monitored flow? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 What is the maximum number of supported HP Velocity flows?. . . . . . . . . . . . . . . . . . . . . . . . . . 9 What is the purpose of policy filters? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 What is the LiveQ - Packet Loss Protection Optimizer? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 What is the LiveTCP - Flow Control Optimizer? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 What is LiveTCP - Latency Mitigation? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 What is the LiveWiFi Optimizer?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 What is the Target Loss Rate (TLR)? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 What is Burst Loss Protection (BLP)?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 How does HP Velocity provide congestion avoidance? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 How does HP Velocity provide congestion control? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Installation and deployment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Which platforms and operating systems are supported by the HP Velocity server component? 11 What are the system requirements for the HP Velocity server component?. . . . . . . . . . . . . . . . 12 Where should HP Velocity be installed? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Which HP Velocity server installation package should be used? . . . . . . . . . . . . . . . . . . . . . . . . 12 Why does the “Another version of this product is already installed” message appear? . . . . . . . 13 Why does the “Do you want to allow the following program from an unknown publisher to make changes to your system” message appear? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Why does a message about a driver that has not passed Windows Logo Compatibility testing appear?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 What configurations must be applied to HP Velocity? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 What do the colors of the HP Velocity system tray icon represent? . . . . . . . . . . . . . . . . . . . . . . 14 How is HP Velocity managed? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Why is Save Log History grayed out on the Network Statistics tab? . . . . . . . . . . . . . . . . . . . . . 15 On the Flow Information tab, why are some protocol names listed and others not? . . . . . . . . . 15 What do the red and green bars on the Network Monitor graph represent?. . . . . . . . . . . . . . . . 15 How are Group Policy settings applied? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15