Mark, tnx for your feedback. The 2 scenarios have explained or just examples. In Scenario 2 you can also have 3 apps like MSWord, MSExcel and MSoutlook for example. Shall I use 3x20k or 1x20k ? Tnx for the feedback. Chris >----- Oorspronkelijk bericht ----- >Van : Mark Cook [mailto:mc@xxxxxxxxxx] >Verzonden : woensdag , mei 26, 2004 07:26 AM >Aan : 'thin@xxxxxxxxxxxxx' >Onderwerp : [THIN] Re: ICA Bandwith Question > >Chris, > >Sadly you can't work it out like this and there is no real hard and fast >rule. The ICA protocol itself requires max(ish) 20k, however, there are >also 32 virtual channels available between the client and server for various >communications such as drive mapping, printer port mapping, client side >audio, clipboard etc. etc. etc. > >Each of these additional channels requires bandwidth on top of the native >ICA channel (assuming you actually use them!) and they are not capped in >terms of bandwidth as such. So if playing a media player in a session you >will not only have the ICA protocol traffic but also there will be streaming >audio from server to client (see note 1 below) and the video playing must be >sent down the pipe to the client also (see note 2). Therefore, the amount >of bandwidth required will vary considerably. I would strongly recommend >you look at playing the media files on the local device rather than through >a citrix session.... > >Note 1 >------ > Audio from server to client has three settings for quality, >Low/Medium/High. The lower the quality of the audio stream the lower >bandwidth requirement but increased (slightly) server overhead to >down-sample the audio. Therefore, high quality audio requires no >down-sampling (good for the server) but will consume upwards of 1 - 1.5mbits >on the LAN per audio stream !!! > >Note 2 >------ > The video will be sent from server to client as a bitmap image stream >(possibly with JPEG compression if using the latest client etc.) but will >not be as smooth as the video playing on the local device. > > >Citrix is a cool invention but not one that will always satisfy 100% of all >your requirements ! > > >** If any of the above is not 100% correct at the time of going to press >then apologies and feel free (as always) to correct the post :-) > > > >HTH > >Mark > > >-----Original Message----- >From: chris.de.jongh@xxxxxxxxxx [mailto:chris.de.jongh@xxxxxxxxxx] >Sent: 26 May 2004 07:53 >To: thin@xxxxxxxxxxxxx >Subject: [THIN] ICA Bandwith Question > >All, > >I?m having a question regarding the network bandwidth ICA is using. In all >docs I?ve read, Citrix claims that an ICA session uses approximately 20 K. > >Now I?m having the following question. > >How many K will I use with following scenarios? > >Scenario 1: >The desktop is published and a user is starting 3 Media players with a movie ># Session : 1 >Bandwidth : 1 x 20K => 20K > >Scenario 2: >The Media player is published and started 3 times by the user, playing the >same movie as in scenario 1. ># Sessions : 3 >Bandwidth : 3 x 20K => 60K? or is this only one ICA Session that is using >the same 20K ?? > >I need this info to work out a design regarding network bandwidth >requirements. > >I?m looking forward to read any feedback. > >Kind regards, > >Chris > > > >******************************************************** >This Week's Sponsor - Tarantella Secure Global Desktop >Tarantella Secure Global Desktop Terminal Server Edition >Free Terminal Service Edition software with 2 years maintenance. >http://www.tarantella.com/ttba >********************************************************** >Useful Thin Client Computing Links are available at: >http://thin.net/links.cfm >*********************************************************** >For Archives, to Unsubscribe, Subscribe or >set Digest or Vacation mode use the below link: >http://thin.net/citrixlist.cfm >******************************************************** >This Week's Sponsor - Tarantella Secure Global Desktop >Tarantella Secure Global Desktop Terminal Server Edition >Free Terminal Service Edition software with 2 years maintenance. >http://www.tarantella.com/ttba >********************************************************** >Useful Thin Client Computing Links are available at: >http://thin.net/links.cfm >*********************************************************** >For Archives, to Unsubscribe, Subscribe or >set Digest or Vacation mode use the below link: >http://thin.net/citrixlist.cfm > > ******************************************************** This Week's Sponsor - Tarantella Secure Global Desktop Tarantella Secure Global Desktop Terminal Server Edition Free Terminal Service Edition software with 2 years maintenance. http://www.tarantella.com/ttba ********************************************************** Useful Thin Client Computing Links are available at: http://thin.net/links.cfm *********************************************************** For Archives, to Unsubscribe, Subscribe or set Digest or Vacation mode use the below link: http://thin.net/citrixlist.cfm