NComputing L300 - Page 45

NComputing!L300!and!L350!User!Manual!!
Page!D(!of!?@!! ! 498943_v2!
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aT!Why!does!a!warning!message!appear!when!I!install!the!vSpace!Server!software?!
FT!Windows!provides!a!firewall!that!displays!a!security!warning!message!when!a!new!network!port!is!
used!(see!below).!If!you!click!the!“Keep!Blocking”!button,!you!will!not!be!able!to!find!NComputing!
servers.!If!you!select!the!“Unlock”!button,!the!port!will!be!open!unless!you!block!it!manually.!If!you!
select!the!“Ask!Me!Later”!button,!the!po rt!will!be!o pe n!tem p ora rily!and !the !secu rity!me ssa ge!w ill!
continue!to!appear!whenever!the!port!is!accessed.!
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aT!Can!the!product!support!100Mbps!or!1Gbps?!
FT!The!L300!and!L350!will!accept!a!1Gbps!connection,!but!the!device!itself!does!not!benefit!from!
bandwidth!which!exceeds!its!average!usage!(typically!under!10!Mbps)!
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aT!!What!is!transcoding?!
FT!!Transcoding!is!the!process!of!converting!media!formats!from!one!type!to!another.!This!is!a!common!
technique!u sed !wh en !w an ting!to!o ptim ize!vid eo !for!a!given !play er!or!d evice .!For!ins tanc e,!you !m ay !
transcode!so m e!vide o!to !play!o n!a!m o bile!ph o ne .!vSpa ce!S erver!has!an!efficient!transcoding!engine!that!
converts!video!into!a!stream!that!can!be!locally!decoded!and!displayed!on!the!L300!or!L350!device!in!
real!time,!com ple tely!tran sp aren t!to!th e!en d!u ser.!
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aT!If!a!customer!wan t s!t o !p u b lish !v id e o !co n t e n t!o p timized!for!the!L300!or!L350,!what!format!is!best?!!!
FT!!Original!content!up!to!standard!DVD!resolution!(D1!-!720x480)!will!have!the!best!playback!
experience.!Content!may!be!encoded!in!many!codecs,!but!if!being!distributed!over!the!web,!high!
compression!H.264!or!MPEG4!delivers!small!file!sizes,!but!if!size!is!not!an!issue,!lower!compression!
formats!suc h!as !M PE G 2!req u ire!less!p roc ess ing!o n!th e!se rver.!Ple ase !crea te!a!tes t!clip!in!on e!o f!the!
supported!formats!men tioned !in!the!Multimed ia!section!and!test!it!on!your!intended !video !play er.!!
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aT!!The!accelerated!multimedia!feature!of!the!L300!and!L350!sounds!like!simple!multimedia!redirection.!
How!is!this!different?!
FT!!!Multimedia!redirection!found!in!terminal!server!products!from!Microsoft!or!Citrix!simply!send!the!
entire!media!file!over!the !netw o rk!to !be!p layed !by !the!clien t.!Th is!m ean s!tha t!the !client!m u st!ha ve!a!fu ll!
media!player!software!stack!and!the!necessary!codecs!to!decode!those!files.!This!means!that!to!achieve!
the!same!qu ality!of!vid eo !as!the !L300!or!L350,!a!thin!client!must!be!2-3X!more!expensive!and!require!
painful!management!of!the!local!software!stack!to!constantly!ensure!that!codecs!are!loaded.!Typically,!
this!means!the !dev ice!ne ed s!to!b e!sim ilar!to!a!full!PC.!