diff --git a/client/client.go b/client/client.go
index 1d1b3cb..c234a3e 100644
--- a/client/client.go
+++ b/client/client.go
@@ -16,10 +16,11 @@ import (
 var uint64Type = reflect.TypeOf(uint64(0))
 
 type Client struct {
-	Connector  csc.Connector
-	Codec      protocol.ClientCodec
-	RPCInvoker registry.RPCInvoker
-	Name       string
+	Connector       csc.Connector
+	Codec           protocol.ClientCodec
+	RPCInvoker      registry.RPCInvoker
+	Name            string
+	PendingRequests int
 
 	stopChan chan struct{}
 	stopWg   sync.WaitGroup
@@ -47,11 +48,16 @@ func (c *Client) Start() error {
 		return fmt.Errorf("%s Codec is not valid", c.logHeader())
 	}
 
+	if 0 >= c.PendingRequests {
+		c.PendingRequests = 1024
+	}	
+
 	readChan, writeChan, err := c.Connector.Connect()
 	if nil != err {
 		return err
 	}
 
+	c.requestQueueChan = make(chan *requestState, c.PendingRequests)
 	c.stopChan = make(chan struct{})
 
 	c.stopWg.Add(1)