What is SAP Netweaver?

SAP Netweaver is the latest technical backbone and platform for all SAP systems and enterprise applications in an organization. Netweaver is the fulfillment of Enterprise Service Architeture(ESA) of SAP.
SAP NetWeaver includes a comprehensive set of components and tools. These included:
1) SAP NetWeaver Application Server
2) SAP NetWeaver Business Intelligence
3) SAP NetWeaver Exchange Infrastructure
4) SAP NetWeaver Master Data Management
5) SAP NetWeaver Mobile
6) SAP NetWeaver Portal (includes Knowledge Management and Collaboration)