MACROMEDIA FLASH MEDIA SERVER 2-SERVER-SIDE ACTIONSCRIPT LANGUAGE Guida di Installazione Pagina 1

Adobe® Flash® Media Server 3The next generation of Adobe’s award winning software for streaming video and real-time communication e Adobe Flash Media

e le formats supported by Flash Media Server are listed in the following table. All formats are supportedbyAdobeAIR.File format Type Container Fl

Benets of streaming versus HTTP deliveryerearethreemethodsfordeliveringvideoovertheInternetusingAdobeFlashPlayer:• Embeddedvideo• Pr

When the video is played, the video le rst begins to download to the user’s hard drive, then playback starts. e video will begin to play when enoug

Why streaming is betterProgressivedownloadisasimplemethodofvideodeliverywithverylittlecontrol—it’sbasicallyasimpleHTTPdownloadcall.

Customerswithhigh-volumestreamingneeds,popularcontent,orcriticaluptimerequirementswho don’t want to build their own infrastructure can get

Embedded video Progressive download Streaming deliveryFrame rate Video frame rate and SWF movie frame rate must be the same.The video le can have a d

Flash Media Server 3 performanceFlash Media Server has signicantly increased how many streams can be delivered concurrently withasingleserverlice

Capacitynumberswerecalculatedusingthefollowinghardwareplatforms.e numbers in this studywereachievedwith2X1Gbpsnetworkadaptors,but

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inc

Connection throttlingNew feature in Flash Media Streaming Server and Flash Media Interactive Server; requires Flash Player 6 or later. Flash Media Ser

Security• Moresecurecontentdeliverywithencryptionandaccesscontrolfeaturesandnoclientcache• SWFvericationtoensureapplicationsarea

InpreviousversionsofFlashMediaServer,utilizinganSSLwastheonlyoptiontoencryptyourstreamdata.However,thisresultedinanoticeablys

Illustration of process scopesDistributed cores New feature in Flash Media Interactive Server; requires Flash Player 6 or later.Tofurtherincreaseth

Standardized server redirection handling New feature in Flash Media Interactive Server; requires Flash Player 6 or later. FlashMediaServer3nowsup

For example, an application with dierent membership levels could use the Authorization plug-in to deliver a high-denition stream to a paid member, a

Eachproleisfurtherorganizedintothreelevels,asshowninthefollowingtable.Level Codec Target resolution/data rateLT level 1 VP6 Mobile GSMLT

• AAC Low Complexity (LC)—SlightlylessecientthanAACMainandrequireslessCPUpowertoencodeanddecode.AACLCisoptimizedforlow-bitratea

Multipoint publishing architectureFlash MediaStreaming Server 1(FVSS) Los AngelesFlash Media Streaming ServerNew Yo rk CityFlash MediaStreaming Server

A user agent string might look something like this: FlashLite/3.0.1 Device/RAZRV3x Prole/razrv3x Network/2.5GDeviceinformationcanbefoundinthe

• IftheAMF3clientdecidestosendaByteArray,forexample,thentheAMF0clientwillbedisconnected,sinceAMF0clientsdon’tunderstandByteArr

CongurationlesfromFlashMediaServer2arenot compatible and you should be sure to back up all your conguration les before upgrading. You will

Flash Media Server 3 has many improvements and new features, including:• Newreal-timeencryptedcommunicationchannelRTMPE,anenhancedversionof

Conguring adaptors and virtual hostsEnhancement in Flash Media Streaming Server and Flash Media Interactive Server; requires Flash Player 6 or later.

For example, the default adaptor included with the server at installation is named _default-Root_, and its directory is conf/_defaultRoot_.Tochange

Also located at the root level of the conguration directory, the L o g ge r.x m l le controls settings for Flash Media Server log les. You can edi

YoucancongureFlashMediaServertospawnFMSCoreprocessesbyconguringthescopenode in the global Application.x mlle.Validscopesinclude

<scope>vhost</scope>Process scope “vhost.” Useful for applying unique settings for users in dierent subdomains.<scope>app</scop

Likeprocessscopes,thedistributedcorefeatureletsyouincreasethecapacityofyourserver.DistributedcoreswillletyouengagemoreRAMfor

Distributed process scope optionsemaximumconnectiontimeusingtheabovecongurationis4hours.Aer4hoursthecoreprocess will be closed and

Example of distributed process congurationemaximumlifetimeforconnectionsinthiscongurationis2hoursbecausetheMaxCore limitissetto4

Send aggregate messages New feature in Flash Media Streaming Server and Flash Media Interactive Server; requires Flash Player 9,0,115,0 or later.By de

<SWFVerication enabled=”true”> <SWFFolder /> <MinGoodVersion /> <UserAgentExceptions> <Exception from=”” to=”” /&g

Adobe Flash Media Streaming Server 3Flash Media Streaming Server 3 is an economical solution that allows you to quickly start streaminghigh-quality,

Secure Sockets Layer (SSL) Feature available in Flash Media Streaming Server and Flash Media Interactive Server; requires Flash Player 6 or later.Like

Activity logsFeature available in Flash Media Streaming Server and Flash Media Interactive Server; requires Flash Player 6 or later.Flash Media Server

A wide variety of useful data such as information about stream events, application instances, virtualhosts,andEdge/Originissues,andmore,canbe

Cluster deploymentNew feature in Flash Media Streaming Server and Flash Media Interactive Server; requires Flash Player 6 or later.You can deploy mult

TypicallyEdge/Origindeploymentsarebestusedwithone-waystreamingservices.Whenusingcustomserver-sideapplicationstoenablereal-timecommun

Typically,implicitURIistherecommendedsettingbecauseitisthemostsecureandrequirestheleastamountofcommunication.ItcanhidetheOrigi

e RouteEntry forthemainProxy(Edgeserver)intheclusterwouldpointbacktotheOriginserver. <RouteTable protocol=””> <RouteEnt

Flash Media Encoder interface Flash Media Encoder live broadcast log 47

FlashMediaEncoder2canalsobetightlyintegratedintoyourcurrentstreamingworkowwithcommand-linecontrolbothlocallyandthrougharemotec

Multipoint publishing provides a much-needed degree of exibility, customization, and scalability to large-scale live video applications. For more det

• Customvideoservices• Server-sidevideorecording• Multiwaycommunication• Socialmediasolutions• Distributedcoreprocessing• Multipointpu

Locking down your contentRegardlessofthesensitivityorownershipofyourcontent,you’llwanttoimplementsomelevelofsecuritywhendeployingto

Authorization adaptor plug-inNew feature in Flash Media Interactive Server; requires Flash Player 6 or later.enextlineofdefenseistheauthorizat

RTMPE New feature in Flash Media Streaming Server and Flash Media Interactive Server; requires Flash Player 9,0,115,0 or later.EncryptedRTMP(RTMPE)

Content protection from CDNsAneasywaytoaddcontentprotectiontoyourstreamingcontentistouseFVSSthroughAdobe’sCDNpartners.ManyofAdobe

Live:LiveFlashstreamingusingFlashMediaEncoderorFlashPlayer.Publishing Point:AdirectoryonFlashMediaServerwherecustomerscanplacevid

Adobe FVSS partners www.adobe.com/go/fvssFlash Media Solution Provider program www.adobe.com/go/fmspFlash Player 9 Update FAQ http://labs.adobe.com/

Features Flash Media Interactive Server 3Flash Media Streaming Server 3Flash Media Development Server 3Bandwidth limitations Unlimited Unlimited Unli

Flash Media Server upgradesUpgrading from Macromedia Flash Media Server 2eguidelinesforupgradingfromFlashMediaServer2varydependingonyour

Adobe AIR (version 1.0 or later)AdobeAIRisacross-operatingsystemruntimethatenablesyoutouseyourexistingHTML,Ajax,Flex,orFlashwebdev

• RTMPS—isprotocolisRTMPsentoveranSSL.SSLisaprotocolthatenablessecureTCP/IPconnections.(FlashMediaServernativelysupportsbothi