diff --git a/geant_service_orchestrator/services/__init__.py b/geant_service_orchestrator/services/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/geant_service_orchestrator/services/resource_manager.py b/geant_service_orchestrator/services/resource_manager.py
new file mode 100644
index 0000000000000000000000000000000000000000..f591e8a3ea96e7ac0b25366d104e6aafd83a2e34
--- /dev/null
+++ b/geant_service_orchestrator/services/resource_manager.py
@@ -0,0 +1,28 @@
+from geant_service_orchestrator import settings
+import requests
+
+
+def import_new_router(router_name, oss_params=settings.OSSParams):
+    r = requests.post(
+        f'{oss_params.RESOURCE_MANAGER_API_PREFIX}'
+        f'/api/interfaces/initialize-router/{router_name}')
+    r.raise_for_status()
+
+
+def next_lag(router_name, oss_params=settings.OSSParams):
+    r = requests.post(
+        f'{oss_params.RESOURCE_MANAGER_API_PREFIX}'
+        f'/api/interfaces/next-lag/{router_name}')
+    r.raise_for_status()
+    response = r.json()
+    return response['name']
+
+
+def next_physical(router_name, lag_name, oss_params=settings.OSSParams):
+    # TODO: speed needed (if first interface)
+    r = requests.post(
+        f'{oss_params.RESOURCE_MANAGER_API_PREFIX}'
+        f'/api/interfaces/next-physical/{router_name}/{lag_name}')
+    r.raise_for_status()
+    response = r.json()
+    return response['name']
diff --git a/requirements.txt b/requirements.txt
index 5b0787674542104bfce569a6a6c79d9ee40b2351..b575b478f50d48470257314b85f5d13a3aea56c7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
 orchestrator-core
+requests
 
 pytest