The official SQL Server AlwaysOn team blog.
Failover Cluster Instances as well as Availability Groups have some great features coming up in SQL Server 2014.
Take a look at Luis' post on what you can try out with publicly available CTP1: http://blogs.technet.com/b/dataplatforminsider/archive/2013/06/27/alwayson-in-sql-server-2014-ctp1.aspx
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Thanks Sanjay for sharing reference.
Do you know if 2014 AlwaysOn Groups will be interoperable with 2012 instances so that a primary and a secondary are not necessarily running the same version.
To be specific, can we have
Primary in 2012 and Secondary in 2014 or
Primary in 2014 and Secondary in 2012
Wish you didn't have to buy enterprise for AlwaysOn. I have a MS Access sized database with only 4 users doing OLTP that needs high availability. Paying for the enterprise version isn't an option.