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Citrix 3 Tier architecture

hi All,

i have a quetion is Citrix is a 3 tier architecture or 2 tier?
with Xen desktop it will looks like 3 tier but some forums written it is 2 tier.
if you know the answer please let me know with exampple....
thank you,

2 Solutions
Tony JLead Technical ArchitectCommented:
Well my understanding of it is that it's three tier:

Client (User interface)
Server (XenApp/XenDesktop etc)
Sekar ChinnakannuSenior EngineerCommented:
Yes its 3 tier as per Tony.
ICA Client
Citrix WebInterface, Citrix Farms
DB for Citrix
Ayman BakrSenior ConsultantCommented:
If that what is meant by a 3 tier: client -> server -> database then yes it is a 3 tier architecture.
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ven16Author Commented:
why the people written in some forums it is a not 3 tier and some people said it is 2 and half tier, please watch the video from Briforum
Tony JLead Technical ArchitectCommented:
Well notwithstanding that that's a 5 - almost 6 - year old video, you may want to look at this article that discusses the multi-tier arhitecture:


Now, to quote from an early paragraph in it: "...Three-tier architectures typically comprise a presentation tier, a business or data access tier, and a data tier..."

So I would again suggest that Citrix is generally a three-tier solution

As for 2.5 tier...how do you have 'half' a tier in reality?
Tony JLead Technical ArchitectCommented:
May I ask, given I answered correctly in the first instance, why didn't I get awarded any points? Yet you awarded them to Sekarc despite him actually clarifying my answer?

On a related note - why the 'average' grade? You were given accurate information in a timely fashion!
Tony JLead Technical ArchitectCommented:
And still the 'C' grade?

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