Explanation
The SAP Solution Manager is a centralized robust application management and administration solution used to implement, support, operate and monitor your SAP enterprise solutions, SAP Solution Manager is a platform providing integrated content, tools, methodologies and access to SAP systems.

1. A public internet user can reach the SAP Web-Dispatcher over port 443
2. The SAP Web-Dispatcher can reach the SAP Application server over port 443
3. The App Subnet accepts traffic on port 443 from 10.0.0.0/24
4. The SAP Application server sends traffic on port 30015 to the SAP DB server
5. The DB subnet accepts traffic on port 30015 from 10.0.1.0/24.
6. Public Internet Access is blocked on both App Subnet and DB Subnet.

References:
https://azure.microsoft.com/en-in/blog/sap-on-azure-architecture-designing-for-security/

Reference:
https://help.sap.com/viewer/6b94445c94ae495c83a19646e7c3fd56/2.0.02/en-US/f730f308fede4040bcb5ccea6751e74d.html
https://docs.microsoft.com/en-us/azure/virtual-machines/workloads/sap/sap-hana-high-availability
Topic 2, Litware, inc
Existing Environment
Infrastructure
Litware currently uses a third-party provider to host a datacenter in Miami and a disaster recovery datacenter in Chicago, it.
The network contains an Active Directory domain named litware.com.Litware has two third-party applications hosted in Azure.
Litware already implemented a site-to-site VPN connection between the on-premises network and Azure.
SAP Environment
Litware currently runs the following SAP products:
* Enhancement Pack 6 for SAP ERP Central Component 6.0 (SAP ECC 6.0)
* SAP Extended Warehouse Management (SAP EWM)
* SAP Business Warehouse (SAP BW)
* SAP NetWeaver Process Integration (PI)
* SAP Solution Manager
All users run on the Windows Server platform. All databases use Microsoft SQL Server. Currently, you have 20 production servers.
You have 30 non-production servers including five testing severs, five development servers, five quality assurance (QA) servers, and 15 pre=production servers.
Currently, all SAP applications are in the litware.com domain.
Problem Statements
The current version of SAP ECC has a transaction that, when run in batches overnight, tables eight hours to complete. You confirm that upgrading to SAP Business Suite on HANA will improve performance because of code changes and the SAP HANA database platform.
Litware is dissatisfied with the performance of its current hosted infrastructure vendor. Litware experienced several hardware failures and the vendor struggled to adequately its 24/7 business operation.
Business Goals
Litware identifies the following business goals:
* Increase the performance of SAP ECC application by moving to SAP HANA. All other database will remain on SQL Server.
* Move away from the current infrastructure vendor to increase the stability and availability of the Title SAP services.
* Use the new Environment, Health and Safety (EH&S) in Recipe Management function.
* Ensure that any migration activities can be completed within a 48-hour period during a weekend.
Planned Changes
Litware identifies the following planned changes:
* Migrate SAP to Azure.
* Upgrade and migrate SAP ECC to SAP business Suite on HANA Enhancement Pack 8.
Technical Requirements
Litware identifies the following technical requirements:
* Implement automated backups.
* Support load testing during the migrate.
* Identify opportunities to reduces costs during the migration.
* Continue to use the Litware.com domain for all SAP landscapes.
* Ensure that all SAP applications and databases are highly available.
* Remove all SAP components from the on-premises network once the migrate is complete.
* Minimize the purchase of additional SAP licenses. SAP HANA license were already purchased.
* Ensure that SAP can provide technical support for all the SAP landscapes deployed to Azure.

Reference:
https://docs.microsoft.com/en-us/azure/virtual-network/create-vm-accelerated-networking-powershell
https://docs.microsoft.com/en-us/azure/azure-sql/virtual-machines/windows/performance-guidelines-best-practices-checklist