SQL Server Standard/Enterprise 2014 - Licensing

Question

Hi All,
I have a requirement to Deploy SQL Server 2008R2 in 3-tier architecture, I need some consultation on Licensing front.
I' understand we can use per core model however I need to understand if we can use Server + CAL model for below mentioned scenarios or not :-
Please help with under mentioned Questions/Scenarios :-
Q1. Differentiation between Direct and Indirect Connections as per SQL Licensing Models ?
Q2.Can we downgrade SQL 2014 Standard License to Install SQL 2008R2 Standard/Enterprise as per SQL 2014 Downgrade Rights ?
Q3. In a Web Server Scenario, We have frontend Server running Apache on RHEL to cater all incoming requests and a backend application server running RHEL connecting to SQL Database Instance using Database
Logins created for Application Integration and Authentication, Kindly suggest number of SQL Licenses required as per
SERVER + CAL model.(UserCAL and/or DeviceCAL)
No. of Virtual Machine - 1
No. of Instances on SQL Server – 1
No. of Virtual Processor on VM hosting SQL Instance – 6 
No. of concurrent connections expected on frontend Web Server – 500
Q4. In another scenario, We have a SQL Server deployed on Virtual Machine and will be used Reporting Server, and Reporting Services are configured and using 1 Database Logins, At a given instant of time 100
concurrent users will execute report on Reporting Server, Kindly suggest on number of SQL Licenses required as per
Server + CAL model.(UserCAL and/or DeviceCAL)
No. of Virtual Machine - 1
No. of Instances on SQL Server – 1
No. of Virtual Processor on VM hosting SQL Instance – 4 
No. of concurrent connections expected on Reporting Server – 100
Early responses would be appreciated, Thanks
Regards,
Gaurav

Answer 1

I need some consultation on Licensing front.
Hello Gaurav,
This is a community forum for technical questions & issues.
For question regarding pricing / licensing please contact a Microsoft sales partner or licensing expert.
Call (1-800-426-9400), Monday through Friday, 6:00 AM to 6:00 PM PST to speak directly to Microsoft licensing specialist.
http://www.microsoft.com/en-us/server-cloud/products/sql-server/buy.aspx
Olaf Helper
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