MACROMEDIA FLASH MEDIA SERVER 2-SERVER-SIDE ACTIONSCRIPT LANGUAGE Instalační příručka stáhnout pdf (Strana 18)

eimpactofRTMPEreducedthecapacitybyonly25%to30%onaverage,givensimilarpercent

CPUusage.IfyouaredeployingRTMPE,youcanexpectincreasedCPUusage,butyouwillstill

beabletosaturatea1Gbpsnetworkwithlessthen70%CPU.

Live video

LivevideostreamingfromFlashMediaServerisimpactedbythesamepropertiesasprerecorded

video streamed on demand. e following graphs show the total capacity achieved with live

video.etests(seethefollowinggraphs)weredonewithlivevideostreamedfromFlashMedia

Encoder2usingOn2VP6videoandMP3audiocodecs.

300Kbps live video 700Kbps live video

Comparing with Flash Media Server 2

Flash Media Server 3 nearly doubles the total number of active streams from Flash Media

Server2.Increasescanbefoundinbothliveandprerecordedvideoapplicationsandallow

forsignicantlymoreconnectionsatlowerbitratesthanFlashMediaServer2.

Total concurrent video stream capacity between Flash Media Server version 2 and version 3

All tests were sampled using RTMP. Values for live streaming were sampled at 60% CPU; values for recorded

on-demand streaming were sampled at 20% CPU.

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MACROMEDIA FLASH MEDIA SERVER 2-SERVER-SIDE ACTIONSCRIPT LANGUAGE Instalační příručka Strana 18