SQL Server upgrade

I have SQL server 2008 R2 running on my prod server. I heard Mainstream support for this product is already over an extended support going to over on 7/9/2019.  I decided to upgrade to new version.  Now SQL Server offering two types of licensing. Which one needs to choose? And how these Licensing will work?

    SQL Server Standard Edition (Server/CAL Licensing)
    SQL Server Standard Edition (Core-Based Licensing)
Varshini SAsked:
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Vitor MontalvãoMSSQL Senior EngineerCommented:
Which SQL Server version are you using?
The licensing policy for SQL Server 2008R2 was the same used for SQL Server 2012 and 2014 so if you are migrating to any of these versions you don't need to worry with the licensing as you're only upgrading the existing SQL Server instances.
Varshini SAuthor Commented:
Using SQL server 2008 R2 Standard edition
Vitor MontalvãoMSSQL Senior EngineerCommented:
Using SQL server 2008 R2 Standard edition
That's I already know. I've asked about the target version.
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Varshini SAuthor Commented:
Vitor MontalvãoMSSQL Senior EngineerCommented:
Then is better to talk with Microsoft. They, better than anyone of us, can give you the best recommendation on you licenses.
Basically you have:
  • CAL licensing - pay by each device (server, laptop, smartphone, tablet, ...) that connects to your database.
  • Core based licensing - pay by number of cores that exists in the server that you have SQL Server installed.

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Vitor MontalvãoMSSQL Senior EngineerCommented:
Solution provided.
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