1 files changed, 9 insertions, 0 deletions
diff --git a/handshake.proto b/handshake.proto
index 611e600..4009a2e 100644
--- a/handshake.proto
+++ b/handshake.proto
@@ -9,6 +9,15 @@ message m2s_MDR_request {
     required uint32 record_type = 1;
 }
 
+message s2m_MDR_req_ACK {
+    // ACK the MDR request with the length of MDR response
+    required uint32 MDR_res_length = 1;
+}
+
+message m2s_MDR_res_CTS {
+    required uint32 timeout = 1;
+}
+
 message _subscriptions {
     optional uint32 module_id = 1    [default=0];
     optional uint32 entity_id = 2    [default=0];