# Architecture diagrams
<a name="sles-netweaver-ha-diagrams"></a>

This guide covers two architectures for SAP cluster solutions on SLES for SAP – simple-mount and classic (previous standard). See the following images to learn more.

**Topics**
+ [Pacemaker - simple-mount architecture](#simple-mount-diagram-nw-sles)
+ [Pacemaker - classic architecture](#classic-diagram-nw-sles)

## Pacemaker - simple-mount architecture
<a name="simple-mount-diagram-nw-sles"></a>

See the following image for more details.

![\[Simple Mount Achitecture\]](http://docs.aws.amazon.com/sap/latest/sap-netweaver/images/image-pacemaker-nw-sles-simplemount.png)


## Pacemaker - classic architecture
<a name="classic-diagram-nw-sles"></a>

See the following image for more details.

![\[Classic Architecture.\]](http://docs.aws.amazon.com/sap/latest/sap-netweaver/images/image-pacemaker-nw-sles-classic.png)