diff --git a/monkey/monkey_island/cc/dal/IRepository.py b/monkey/monkey_island/cc/dal/IRepository.py
new file mode 100644
index 000000000..8dd84a330
--- /dev/null
+++ b/monkey/monkey_island/cc/dal/IRepository.py
@@ -0,0 +1,59 @@
+from abc import ABC
+from typing import Any, Optional, Sequence
+
+from monkey_island.cc.models import Config, Monkey
+from monkey_island.cc.models.edge import Edge
+
+
+class IRepository(ABC):
+
+    # Config
+    ###############################################
+
+    # This returns the current config
+    # TODO investigate if encryption should be here or where
+    def get_config(self) -> dict:
+        pass
+
+    def set_config(self, config: dict):
+        pass
+
+    # Used when only a subset of config is submitted, for example only PBAFiles
+    # Used by passing keys, like ['monkey', 'post_breach_actions', 'linux_filename']
+    # Using a list is less ambiguous IMO, than using . notation
+    def set_config_field(self, key_list: Sequence[str], value: Any):
+        pass
+
+    # Used when only a subset of config is needed, for example only PBAFiles
+    # Used by passing keys, like ['monkey', 'post_breach_actions', 'linux_filename']
+    # Using a list is less ambiguous IMO, than using . notation
+    # TODO Still in doubt about encryption, this should probably be determined automatically
+    def get_config_field(self, key_list: Sequence[str]) -> Any:
+        pass
+
+    # Edges
+    ###############################################
+
+    def get_all_edges(self):
+        pass
+
+    def get_edge(self, src_node_id: str, dst_node_id: str) -> Edge:
+        pass
+
+    def save_edge(self, edge: Edge):
+        pass
+
+    def get_by_dst_node(self, dst_node_id: str) -> Sequence[Edge]:
+        pass
+
+    # If tunnel is None then it gets all edges, if True/False then gets only
+    # tunneling/non-tunneling edges
+    def get_by_src_node(self, src_node_id: str, tunnel: Optional[bool] = None) -> Sequence[Edge]:
+        pass
+
+    def get_by_id(self, edge_id: str) -> Edge:
+        pass
+
+    # Scan telemetries might change the label once we know more about the target system
+    def set_label(self, edge_id: str, label: str):
+        pass
diff --git a/monkey/monkey_island/cc/services/config.py b/monkey/monkey_island/cc/services/config.py
index f0977ef66..293d1bffb 100644
--- a/monkey/monkey_island/cc/services/config.py
+++ b/monkey/monkey_island/cc/services/config.py
@@ -70,6 +70,9 @@ class ConfigService:
         :param is_island: If True, will include island specific configuration parameters.
         :return: The entire global config.
         """
+
+        # is_initial_config and should_decrypt are only there to compare if we are on the
+        # default configuration or did user modified it already
         config = (
             mongo.db.config.find_one({"name": "initial" if is_initial_config else "newconfig"})
             or {}
@@ -95,9 +98,12 @@ class ConfigService:
         :return: The value of the requested config key.
         """
         config_key = functools.reduce(lambda x, y: x + "." + y, config_key_as_arr)
+
+        # This should just call get_config from repository. If None, then call get_default prob
         config = mongo.db.config.find_one(
             {"name": "initial" if is_initial_config else "newconfig"}, {config_key: 1}
         )
+
         for config_key_part in config_key_as_arr:
             config = config[config_key_part]
         if should_decrypt:
@@ -141,6 +147,7 @@ class ConfigService:
     def get_config_schema():
         return SCHEMA
 
+    # Not added to interface because it's doable by get_config_field + set_config_field
     @staticmethod
     def add_item_to_config_set_if_dont_exist(item_path_array, item_value, should_encrypt):
         item_key = ".".join(item_path_array)
diff --git a/monkey/monkey_island/cc/services/edge/edge.py b/monkey/monkey_island/cc/services/edge/edge.py
index dae19ccd8..c62aae7a4 100644
--- a/monkey/monkey_island/cc/services/edge/edge.py
+++ b/monkey/monkey_island/cc/services/edge/edge.py
@@ -65,6 +65,9 @@ class EdgeService(Edge):
         except DoesNotExist:
             return []
 
+    # TODO it's not entirelly clear why the tunnel is unset in
+    #  monkey/monkey_island/cc/services/telemetry/processing/tunnel.py:15
+    # Either way this can be done by fetching, modifying and saving
     def disable_tunnel(self):
         self.tunnel = False
         self.save()