Installation guide

Capacitynumberswerecalculatedusingthefollowinghardwareplatforms.e numbers in this
studywereachievedwith2X1Gbpsnetworkadaptors,buttheresultspublishedarelimitedto
1Gbpsthroughput.
Server hardware
HP ProLiant DL360 G4p servers, with dual-core 3.6GHz, Xeon processors with
hyperthreading
Server conguration: 3.5GB of 200MHz DDR SDRAM, a SCSI2, 64GB RAID 0 disk storage at
10K RPM, and bonded/teamed 1GB Intel Pro 100 XF Ethernet cards at 133MHz
Operating
systems
Windows Server 2003 with Service Pack 1; Linux Red Hat 4, kernel 2.6.9-22
Flash Player
Version 9,0,115,0
Test media
• 700Kbps: FLV, 117 minutes, 763MB using On2 VP6 codec
• 300Kbps: FLV, 53 minutes, 105MB using On2 VP6 codec
• 128Kbps: MP3; 52 minutes, 61MB using MP3 ID3v2.3 tag
Flash Media
Server
Version 3: default conguration using default chunk size and cache
Video on demand
Toprovideagoodcomparison,thefollowinggraphshowsthetotalnumberofstreamsachieved
whileusingonly20%CPU.Linuxwasabletosaturatea1Gbpsnetworkadaptorwithjustover
20%CPU.esecondgraphillustratesthecapabilityofeachprotocolwithhigherCPUusage.
300Kbps recorded video limited to 1Gbps 700Kbps recorded video limited to 1Gbps
efollowinggraphsshowthenumberofconcurrentstreamsgivendierentpercentCPU
utilization,protocol,andbitrate.NoticethatwithmorepercentCPUutilization,youcandeliver
morestreams.egraphswerelimitedto1Gbpsandneverreached100%CPU.Higherdatarates
resultedinfastersaturation,whilelowerdataratesusedmoreCPUtodeliversimilarconnections.
Windows Linux
17