Simplified View of SAP Hana Server
Talking about a broad architechtural understanding of HANA server and its ability to handle different kind of requests.
We have two types of Request and two different type of servers inside the HANA server to handle the same.
1. Index Server : which is responsible for handling all kinds of SQL request (For E.g. : SAP Netweaver Systems such as ECC/BW , SQL Clients(BI Server, BI tools) , SAP HANA Studio)
2. XS Server : which is responsible for all kinds of HTTP request (For E.g. : Web Browser app for Admin and Developments, Hana cockpit, Web based end user Applicaitons )