diff --git a/monkey/monkey_island/cc/repository/i_node_repository.py b/monkey/monkey_island/cc/repository/i_node_repository.py
new file mode 100644
index 000000000..b8ea0c49d
--- /dev/null
+++ b/monkey/monkey_island/cc/repository/i_node_repository.py
@@ -0,0 +1,35 @@
+from abc import ABC, abstractmethod
+from typing import Sequence
+
+from monkey_island.cc.models import CommunicationType, MachineID, Node
+
+
+class INodeRepository(ABC):
+    """A repository used to store and retrieve `Node` objects"""
+
+    @abstractmethod
+    def upsert_communication(
+        self, src: MachineID, dst: MachineID, communication_type: CommunicationType
+    ):
+        """
+        Insert or update a node connection
+
+        Insert or update data about how network nodes are able to communicate. Nodes are identified
+        by MachineID and store information about all outbound connections to other machines. By
+        providing a source machine, target machine, and how they communicated, nodes in this
+        repository can be created if they don't exist or updated if they do.
+
+        :param src: The machine that the connection or communication originated from
+        :param dst: The machine that the src communicated with
+        :param communication_type: The way the machines communicated
+        :raises StorageError: If an error occurred while attempting to upsert the Node
+        """
+
+    @abstractmethod
+    def get_nodes(self) -> Sequence[Node]:
+        """
+        Return all nodes that are stored in the repository
+
+        :return: All known Nodes
+        :raises RetrievalError: If an error occurred while attempting to retrieve the nodes
+        """
diff --git a/vulture_allowlist.py b/vulture_allowlist.py
index ea46d5b2b..265d675d7 100644
--- a/vulture_allowlist.py
+++ b/vulture_allowlist.py
@@ -259,6 +259,10 @@ IMachineRepository.get_machine_by_hardware_id
 IMachineRepository.get_machines_by_ip
 INetworkMapRepository.get_map
 INetworkMapRepository.save_netmap
+INodeRepository
+INodeRepository.upsert_communication
+INodeRepository.communication_type
+INodeRepository.get_nodes
 IReportRepository
 ISimulationRepository.save_simulation
 ISimulationRepository.get_simulation