Server 2012 DirectAccess Capacity Planning
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Thursday, January 31, 2013 6:23 PM
Hi
I am looking to deploy a multi-site DA 2012 deployment. Each site will have a 2 node array using NLB. I am looking for a capacity planning guide for 2012 URA to make sure I have it over spec'd for failover to one site. There is approx 1200 users in total, so worst case scenario if 1000 users need to access the array I need to have capacity.
I so far have gone with 2x4 processors and 8GB RAM per server. This is hosted as a ESX guest. I understand IPHTTPS is now lighter if connecting with a win 8 client and Teredo makes better use of processors.
Any thoughts apreciated
All Replies
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Friday, February 01, 2013 9:41 AM
AFAIK no public guide is available.
It all depends on how much traffic a typical client generates. One thing that comes into play is that NLB doesn't really work well with bandwidth usage exceeding 500 Mb/s. Maybe your internet connection "handles" this for you (available bandwidth being less than 500 Mb/s).
I would go with the above spec to start with and do performance monitoring, personally I would consider more RAM but as you are using load balancing you can always throw in another node.
As there aren't any guidelines yet and I don't know anything about your clients traffic profile, perfromance monitor is your friend. You also need to be prepared to add extra resources to your servers.
Hth, Anders Janson Enfo Zipper
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