The week before Synergy, I was in London presenting with Dan Allen (now at Bromium) at the European version of BriForum. This year, we looked at how the various protocols and codecs from Citrix and VMware affect things like bandwidth, CPU usage and overall single server scalability (SSS).

I’ve received several inquiries for the presentation, so I’d like to share it with the world.  Please also keep in mind these sessions were recorded and will be released in a couple of months.

Protocol & Resolution Impact on Bandwidth & Scalability

And in case you’re too busy to review all the details in the deck, I’d like to offer up some “key findings”:

    • Blast Extreme is a pig in terms of bandwidth consumption – 3-5x the amount of ICA or PCoIP is the norm.
    • PCoIP is actually really solid these days – it’s on par with ICA in terms of bandwidth consumption and UX, but it uses more CPU.
    • Thinwire non-H.264 (aka Thinwire Plus) is one of the most balanced protocols in terms of bandwidth & CPU consumption, UX and SSS – and it’s getting better and better with every release.  There is a reason it’s the new default in 7.9!
    • Legacy Thinwire with Adaptive Display will be missed – it is the most efficient in terms of bandwidth & CPU consumption, provides a great UX for 90% of apps/use cases, has the best SSS (mostly due to the fact that MSFT changed their graphics engine in 2012 R2+ and there is nothing we can do about it!), and handles multiple monitors better than all the protocols/codecs.
    • Templates to change codecs and OS tuning are key, especially on Win10 – check out the last few slides for tips & tricks to improve scalability and UX.

Hopefully you find this info useful in your travels.  Cheers.

Nick Rintalan, Lead Architect, Citrix Consulting

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