Optimising TCP for Citrix HDX/ICA including Netscaler

Marius Sandbu – NGCA (NVIDIA GRID Community Advisor)  aka Clever Viking!

The TCP implementation within Citrix HDX/ICA protocol used by XenDesktop and XenApp and also Citrix Netscaler is pretty Vanilla to the original TCP/IP standards and definition and the out-of-the-box configuration usually does a good job on LAN. However, for WAN scenarios particularly with higher latencies and certain kinds of data (file transfers), Citrix deployments can benefit greatly from some tuning.

Continue reading “Optimising TCP for Citrix HDX/ICA including Netscaler”

Citrix XenDesktop/XenApp – Understanding the HDX “Extra Color Compression” Policy

  • Update (16th Aug 2015) – Now a CTX: CTX201802 – FAQ: HDX Extra Color Compression (ECC) Policy in XenApp and XenDesktop

Extra Color Compression (ECC) is a policy that can be applied to control how HDX manages bandwidth vs. quality and other resources (e.g. CPU). It is documented in the XenDesktop and XenApp product documentation here.

What is Extra Color Compression (ECC)?

Continue reading “Citrix XenDesktop/XenApp – Understanding the HDX “Extra Color Compression” Policy”

Citrix XenDesktop / XenApp: Setting Graphics Policies – it’s simpler than it appears!

I get an awful lot of inquiries about the graphics mode policies available for HDX in Citrix XenDesktop/XenApp. The GUI shows a vast array of options and its clear from how haphazardly they seem to be set in support call logs that many users are confused as to what these do and actually fail to realise most of the settings pertain to a legacy graphics modes that they aren’t using. Continue reading “Citrix XenDesktop / XenApp: Setting Graphics Policies – it’s simpler than it appears!”

Citrix XenDesktop and XenApp: Monitoring Products Available

A while back I wrote an article: “12 Monitoring Products for Citrix XenServer – including options for hybrid infrastructure and mobile, XenDesktop, Cloud, iPad”, since then I’ve moved into working in Product Management for HDX, providing the graphics technologies for Citrix XenDesktop and XenApp. I’ve had numerous requests for a similar list of monitoring options for HDX within a Citrix XenApp or XenDesktop environment. Many of those applications, which I suggested for XenServer are also appropriate, but there are also many products available which are particularly tailored to the needs of a XenDesktop or XenApp user.

So off the top-of-my-head, in alphabetical order, a non-comprehensive list of Continue reading “Citrix XenDesktop and XenApp: Monitoring Products Available”

Citrix Receiver 13.2 for Linux – What’s New and What Do You Want in the Future?

LINUXA few months ago I took over as Product Manager for the Linux and Android Receivers as well as retaining the roadmap for HDX Graphics.

Some weeks back I went through my first release of the Linux Receiver with the 13.2 release. So I thought I’d highlight what’s new, ask for feedback on where we are and also ask what you’d like to see in future releases.

The $100 Linux Receiver Question – What you want to see in future releases? Continue reading “Citrix Receiver 13.2 for Linux – What’s New and What Do You Want in the Future?”

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