MACROMEDIA FLASH MEDIA SERVER 2-USING FLASH MEDIA SERVER EDGE SERVERS Guide de l'utilisateur télécharger pdf (Page 24)

Bandwidth and Quality Tables for 5-to-5 Collaborative Meeting Scenario (Values are per user or edge server connection, unless otherwise indicated)

Action

Connection Speed or Bandwidth Setting (kbps) Frame Rate (FPS) Sample Rate (kHz) Compression

/Color Depth

LAN DSL Modem LAN DSL Modem LAN DSL Modem LAN DSL Modem

View Slides HTTP delivery; size dependent on content

Lead Slides HTTP delivery; size dependent on content

Screen Sharing 400

400

6/2

6/1

6/15 8/9 9/9

VoiP Audio 22 22 10

11 11 5

Webcam Video

Slow Images 40 20 3 1 1 0.3 50 50 50

Fast Images 40 20

52.4 100 60 100

High Quality 40 20

2.5 1.2 100 100 100

High Bandwidth 300

5 100 100 100

Playing FLV RTMP streaming; dependent on bit rate of content

Playing SWF HTTP delivery; size dependent on content

Chat Negligible

Negligible

Whiteboard Negligible

Negligible

File Share Negligible

Negligible

Room Cap Up 400 250 28

Room Cap Down 800 400 40

My Connection Cap Up Unlimited 250 28

My Connection Cap Down Unlimited 600 40

1 - Compression-Higher value indicates higher quality and lower compression‘ 5 - Dependent on bit rate of FLV been streamed. If downstream speed is less than what is required for viewing the

authored FLV, users will experience stalls.

2 - Color Depth-Screen Share also includes a 24-bit color setting that can be applied using the Screen Share Pod

settings.

6 - Data transmitted for chat is equivalent to amount of chat text written and causes no significant traffic.

3 - Average typically ranges from 50 to 400kpbs dependent on content, but a peak of 1mpbs is possible. 7 - Data transmitted for whiteboard is only information about the object type and position to display, and causes no

significant traffic.

4 - Screen Sharing FPS-(A/B): where the value A is FPS when remote control of screen share is enabled and the value

B is when a person is screen sharing without remote control.

8 - Displaying a list of content in the File Share Pod has no impact on bandwidth; if the user downloads the file the transfer

is HTTP and the impact depends on document size.

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MACROMEDIA FLASH MEDIA SERVER 2-USING FLASH MEDIA SERVER EDGE SERVERS Guide de l'utilisateur Page 24

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