diff --git a/src/judas_server/backend/backend_server.py b/src/judas_server/backend/backend_server.py
index b522c1e..ad82e8b 100644
--- a/src/judas_server/backend/backend_server.py
+++ b/src/judas_server/backend/backend_server.py
@@ -158,6 +158,7 @@ class BackendServer:
                     sent = sock.send(client.outbound)
 
                     client.outbound = client.outbound[sent:]
+                    # TODO: wait for ACK from client
         except ConnectionResetError as e:
             self.logger.error(f"Connection reset by {client}, disconnect: {e}")
             self._disconnect(client)