Node and Role
SAP NetWeaver Instance
An SAP NetWeaver system consists of one or more SAP NetWeaver instances. SAP NetWeaver instances are logic units in an SAP NetWeaver system.
SAP GUI
SAP GUI allows users to access SAP NetWeaver application servers from clients. SAP GUI provides the common system information (such as software version), system management capability, and statistics of key system resources.
NAT Server
Provides the capability to switch to the HANA ECS using SSH. It allows you to switch to an SAP NetWeaver node from the NAT server using Secure Shell (SSH).
SFS
The Scalable File Service (SFS) provides the file sharing service and supports two types of file systems: SFS and SFS Turbo. An SFS Turbo file system is needed when the SAP NetWeaver is deployed in distributed mode. You need to create an SFS Turbo and mount it to an SAP NetWeaver instance node. For details about the node specifications, see Recommended ECS Planning.
SAP NetWeaver
SAP NetWeaver has multiple deployment scenarios. When installing SAP NetWeaver, select a proper deployment mode based on the systems, including DEV, QAS, PRD, TST, and POC. For example, use a bound EIP to access the POC and TST systems. For the PRD system, you are advised to access it through a VPN for high security. Additionally, the distributed HA deployment mode of SAP NetWeaver is also available, as shown in section Solution Introduction.
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