diff --git a/src/runtime/retired/v2.rs b/src/runtime/retired/v2.rs
new file mode 100644
index 0000000000000000000000000000000000000000..abd043454dd94e5c1060e66ecada817add63cf96
--- /dev/null
+++ b/src/runtime/retired/v2.rs
@@ -0,0 +1,8 @@
+use crate::common::{
+    Arc, ControllerId, Duration, HashMap, HashSet, Instant, Payload, Polarity, Port, PortId,
+    ProtocolDescription, SocketAddr,
+};
+use crate::runtime::endpoint::{Endpoint, Msg};
+use crate::runtime::*;
+
+/////////////////////////////