diff --git a/SYSTEM-LANDSCAPE.md b/SYSTEM-LANDSCAPE.md
new file mode 100644
index 0000000..d5aab73
--- /dev/null
+++ b/SYSTEM-LANDSCAPE.md
@@ -0,0 +1,17 @@
+# DemoTel system landscape
+
+## BSS Systems
+- Product Catalog
+- CRM
+- Order Management
+- Billing
+
+## OSS Systems
+- Inventory
+- Provisioning
+
+## Shared Services
+- PostgresSQL
+- Gitea
+- n8n
+  
\ No newline at end of file