diff --git a/deploy/deploy-peer/src/main/resources/config/init/bftsmart.config b/deploy/deploy-peer/src/main/resources/config/init/bftsmart.config
index b5bfa5a3..12342e86 100644
--- a/deploy/deploy-peer/src/main/resources/config/init/bftsmart.config
+++ b/deploy/deploy-peer/src/main/resources/config/init/bftsmart.config
@@ -57,6 +57,12 @@ system.server.3.network.secure=false
 #Specify if the communication system should use a thread to send data (true or false)
 system.communication.useSenderThread = true
 
+#The time interval for retrying to send message after connection failure.  In milliseconds;
+system.communication.send.retryInterval=2000
+
+#The number of retries to send message after connection failure.
+system.communication.send.retryCount=100
+
 #Force all processes to use the same public/private keys pair and secret key. This is useful when deploying experiments
 #and benchmarks, but must not be used in production systems.
 system.communication.defaultkeys = true
diff --git a/libs/bft-smart b/libs/bft-smart
index 862320c1..b9db7d7c 160000
--- a/libs/bft-smart
+++ b/libs/bft-smart
@@ -1 +1 @@
-Subproject commit 862320c19f048e49f2097d7f83a55f7317793dbc
+Subproject commit b9db7d7cf8469ba8c94e896846f136f381d9f7d8