Installation guide

Comparing with Flash Media Server 2
Flash Media Server 3.5 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 bit rates than Flash Media Server 2.
Total concurrent video stream capacity between Flash Media Server version 2 and version 3.5
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.
Connection throttling
Feature in Flash Media Streaming Server and Flash Media Interactive Server; requires Flash Player
6 or later.
Flash Media Server 3.5 features connection-handling management that ensures high-quality
serviceforuserswhoarealreadyconnectedtotheserver.Inthepast,ifalargenumberofnew
users was trying to connect to a popular application, the current users could experience a
disruptionofplayback.Connectionthrottlingprovidesanumberofmethodstopreserve
quality of service:
• Restrictsthenumberofthreadsthathandleincomingconnections.
• Providesacongurablemaximumrate(persecond)atwhichtheserveracceptsnewconnections.
Connectionsthatexceedthismaximumratearedelayedandqueuedintheoperatingsystem’s
networkstack.eOSlimitsthenumberofconnectionsitkeepsinitsqueue.Whenthequeueis
full,clientsattemptingtoconnectarerejected.Notethatthismaximumrateisper“listener.”For
example,ifyourserverisconguredtolistenonports1935and80,theconnectionrateappliesto
eachport.Soiftheconnectionratewassetto10connectionspersecond,thatcouldpotentially
meanatotalmaximumconnectionrateof20persecond.
• Providesamaximumqueuelength.Beyondthisqueuelength,theserverrejectsconnectionsto
maintain quality of service for currently connected users.
ese settings are, of course, fully congurable by the server administrator.
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