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Dominion

KX II - Frequently Asked Questions

©Copyright Raritan, Inc. 2007 Page 5 of 13 Rev. October 2007

How much bandwidth does

Dominion KX II require?

Dominion KX II offers next generation KVM-over-IP technology – the

very best video compression available. Raritan has received numerous

technical awards confirming its high video quality transmissions and

the low bandwidth utilization.

The Dominion KX II digitizes, compresses and encrypts the keyboard,

video and mouse signals from the target server and transmits IP

packets over the IP network to the remote client to create the remote

session to the user. The KX II provides an at-the-rack experience

based on its industry leading video processing algorithms.

Screen changes, i.e. video, accounts for the majority of the bandwidth

used – keyboard and mouse activity is significantly less.

It is important to note that bandwidth is only used when the user is

active. The amount of bandwidth used is based on the amount of

change to the server’s video display screen.

If there are no changes to the video – the user is not interacting with

the server – there is generally no bandwidth used. If the user moves

the mouse or types a character, then there is a small amount of

bandwidth used. If the display is running a complex screen saver or

playing a video, then there can be a larger amount of bandwidth used.

The table below summarizes some standard use cases at Dominion

KX II’s default and with two reduced bandwidth settings (Connection

Speed setting of 1Mb with 15 and 8 bit color) on a Windows XP target

server (1024x768 resolution) over a 100 Mbit/s LAN:

User Task Default 1Mb Speed

& 15 bit Color

1Mb Speed &

8 Bit Color

Idle Windows Desktop 0 KB/s 0 KB/s 0 KB/s

Move Mouse Cursor 5 - 15 KB/s 2 – 6 KB/s 2 - 3 KB/s

Drag Icon 40 - 70 KB/s 10-25 KB/s 5 – 15 KB/s

Drag Folder 10 - 40 KB/s 5 - 20 KB/s 5 – 10 KB/s

Open Text Window 50 - 100 KB/s 25 – 50 KB/s 10 – 15 KB/s

Continuous Typing 1 KB/s .5 - 1 KB/s .2 - .5 KB/s

Scroll Text Window 10 - 50 KB/s 5 -25 KB/s 2 – 10 KB/s

Close Text window 50 - 100 KB/s 20 – 40 KB/s 10 – 15 KB/s

Open Panel 50 - 100 KB/s 60 – 70 KB/s 20 – 30 KB/s

Change Tab in Panel 40 - 50 KB/s 20 – 50 KB/s 10 – 20 KB/s

Close Panel 50 - 100 KB/s 40 – 60 KB/s 20 – 30 KB/s

Change Panel Option 2 - 10 KB/s 1 – 5 KB/s 1- 3 KB/s

Open Browser Page 100 - 300 KB/s 50 – 200 KB/s 40 – 80 KB/s

Scroll Browser 75 - 200 KB/s 50 – 200 KB/s 30 – 100 KB/s

Close Browser 100 - 150 KB/s 75 – 100 KB/s 30 – 60KB/s

Open Start Menu 75 - 100 KB/s 50 -75 KB/s 20 – 30 KB/s

Close Start menu 75 - 100 KB/s 25 – 50 KB/s 10 – 15 KB/s

Starfield Screen Saver 25 - 50 KB/s 10 – 15 KB/s 7 – 10 KB/s

3D Pipes Screen Saver 10 - 100 KB/s 5 - 20 KB/s 2 – 10 KB/s

Windows Media Video 500 - 1200 KB/s 300 – 500 KB/s 150 – 300 KB/s

QuickTime Video #1 700 - 2500 KB/s 400 – 500 KB/s 150 – 350 KB/s

QuickTime Video #2 1500 - 2500 KB/s 400 - 550 KB/s 200 – 350 KB/s

With the reduced bandwidth settings, bandwidth is reduced

significantly for virtually all tasks. With the 15 bit color, performance is

very similar to the default parameters. Further bandwidth reductions

are possible with additional changes in the settings.

Please note that these bandwidth figures are only examples and vary

from those in your environment due to many factors.

Distributed by Communications Supply Corporation