Server Roles in SharePoint 2013
Some points I captured from Microsoft Training about server roles Web Front End servers Web Front End (WFE) servers form the connection point for clients that request content or services from SharePoint. Every request from a client is directed to a WFE server, and every response to a client is sent from a WFE server. This means that all client requests place some load on WFE servers. A WFE server is responsible for: • Processing incoming requests through IIS. • Requesting any data from service applications and databases that is required to service the request. • Processing the data returned by service applications and databases. • Compiling responses as ASP.NET pages and sending the responses to the requestor. In small farms, WFE servers often perform application roles in addition to the WFE role. WFE servers do not require large quantities of disk storage; instead, they rely heavily on processor power and memory for performance. Some service applications, e