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Is Citrix still required if we SAPgui connecting via SAP router

To access in house developed VB application from remote locations we were using Citrix server (XenApp).

Now we are shifting to SAP ERP. Do I still need to use Citrix server? where all our remote users can access SAP landscape using SAPGUI via SAP router?

SAP router has public ip kept in DMZ.

If yes then what is the bandwidth used by SAPGUI?. Because Citrix can work with 20kbps of Bandwidth.
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imran786
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imran786
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Kent DyerCommented:
You are going to need to look at this from a couple perspectives..
How many users are using the app?
What is the risk of using thhe app outside of the data center? - if you truly have to keep it in the DMZ, you have your answer.
Is the app self-sufficient?  Is it a call generator for your Support Desk?
How easy is it to deploy?
How easy is it to Upgrade?
How easy is it to make changes?

Citrix will sting a bit..  Does it have to be Citrix?  Why not VMWare?
Citrix has cool features, but so does VMWare
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imran786Author Commented:
Can SAProuter replace Citrix server (XenApp) ?
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Kent DyerCommented:
Oh man..  I am sorry my Citrix experience is over 7 years ago..  I am afraid I cannot answer that.
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Geert GruwezOracle dbaCommented:
saprouter is to allow sap germany to connect to your sap systems
you need this in any case

the sapgui will have to deployed to every client pc instead of just the citrix environment
it uses very limited traffic over the wan, so should work
it will probably not be as fast for very remote users
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robocatCommented:
You could use a SAProuter to allow connections from remote locations to your SAP systems, but your data will go unsecured over the internet. So you need additional measures such as a secure VPN.

Citrix is much more easy to secure. Also if your SAP ERP uses browser based access besides SAPGUI, you really need Citrix. SAProuter only proxies SAPGUI.

Bandwidth usage is usually about the same.
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imran786Author Commented:
SAP router uses IPsec or SNC VPN so traffic is secured".
Robocat said that "Bandwidth usage is usually about the same". Suppose currently 6 users are accessing Citrix server via 125 kbps link. Can 6 users access in a same way instead of Citrix if they use sap gui via sap router with same link 128 kbps.  Any latency ?  Any difference ? any comment ?
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robocatCommented:
1. Saprouter uses SNC for secure communications with SAP only. A connection from a SAPGUI to a saprouter is not secured.

2. We've never seen much performance difference for average usage between Citrix and a direct SAPGUI connection. Perhaps Citrix is a bit more robust when the network connection is not ideal. SAPGUI will disconnect if the network connection is overloaded and the session is lost. If properly configured, Citrix will be able to reconnect and the session is not lost.
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imran786Author Commented:
I've requested that this question be closed as follows:

Accepted answer: 0 points for imran786's comment #a39985041

for the following reason:

I got answer
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robocatCommented:
Closing a question because you got your answer is simply unacceptable.

The answer is good and should be awarded points!
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