diff --git a/trunk/src/core/srs_core_amf0.cpp b/trunk/src/core/srs_core_amf0.cpp
index d5ed5ff82..f17de3ddc 100755
--- a/trunk/src/core/srs_core_amf0.cpp
+++ b/trunk/src/core/srs_core_amf0.cpp
@@ -225,7 +225,7 @@ int srs_amf0_read_string(SrsStream* stream, std::string& value)
 		return ret;
 	}
 	
-	char marker = stream->read_char();
+	char marker = stream->read_1bytes();
 	if (marker != RTMP_AMF0_String) {
 		ret = ERROR_RTMP_AMF0_DECODE;
 		srs_error("amf0 check string marker failed. "
@@ -248,7 +248,7 @@ int srs_amf0_read_boolean(SrsStream* stream, bool& value)
 		return ret;
 	}
 	
-	char marker = stream->read_char();
+	char marker = stream->read_1bytes();
 	if (marker != RTMP_AMF0_Boolean) {
 		ret = ERROR_RTMP_AMF0_DECODE;
 		srs_error("amf0 check bool marker failed. "
@@ -264,7 +264,7 @@ int srs_amf0_read_boolean(SrsStream* stream, bool& value)
 		return ret;
 	}
 
-	if (stream->read_char() == 0) {
+	if (stream->read_1bytes() == 0) {
 		value = false;
 	} else {
 		value = true;
@@ -286,7 +286,7 @@ int srs_amf0_read_number(SrsStream* stream, double& value)
 		return ret;
 	}
 	
-	char marker = stream->read_char();
+	char marker = stream->read_1bytes();
 	if (marker != RTMP_AMF0_Number) {
 		ret = ERROR_RTMP_AMF0_DECODE;
 		srs_error("amf0 check number marker failed. "
@@ -321,7 +321,7 @@ int srs_amf0_read_any(SrsStream* stream, SrsAmf0Any*& value)
 		return ret;
 	}
 	
-	char marker = stream->read_char();
+	char marker = stream->read_1bytes();
 	srs_verbose("amf0 any marker success");
 	
 	// backward the 1byte marker.
@@ -393,7 +393,7 @@ int srs_amf0_read_object_eof(SrsStream* stream, SrsAmf0ObjectEOF*& value)
 		return ret;
 	}
 	
-	char marker = stream->read_char();
+	char marker = stream->read_1bytes();
 	if (marker != RTMP_AMF0_ObjectEnd) {
 		ret = ERROR_RTMP_AMF0_DECODE;
 		srs_error("amf0 check object eof marker failed. "
@@ -420,7 +420,7 @@ int srs_amf0_read_object(SrsStream* stream, SrsAmf0Object*& value)
 		return ret;
 	}
 	
-	char marker = stream->read_char();
+	char marker = stream->read_1bytes();
 	if (marker != RTMP_AMF0_Object) {
 		ret = ERROR_RTMP_AMF0_DECODE;
 		srs_error("amf0 check object marker failed. "
diff --git a/trunk/src/core/srs_core_client.cpp b/trunk/src/core/srs_core_client.cpp
index f18fb23e9..327286f8b 100755
--- a/trunk/src/core/srs_core_client.cpp
+++ b/trunk/src/core/srs_core_client.cpp
@@ -86,6 +86,12 @@ int SrsClient::do_cycle()
 		return ret;
 	}
 	srs_verbose("set window acknowledgement size success");
+		
+	if ((ret = rtmp->set_peer_bandwidth(2.5 * 1000 * 1000, 2)) != ERROR_SUCCESS) {
+		srs_error("set peer bandwidth failed. ret=%d", ret);
+		return ret;
+	}
+	srs_verbose("set peer bandwidth success");
 	
 	return ret;
 }
diff --git a/trunk/src/core/srs_core_protocol.cpp b/trunk/src/core/srs_core_protocol.cpp
index 48c592654..5b6437cd3 100755
--- a/trunk/src/core/srs_core_protocol.cpp
+++ b/trunk/src/core/srs_core_protocol.cpp
@@ -923,9 +923,16 @@ SrsPacket::~SrsPacket()
 {
 }
 
-int SrsPacket::decode(SrsStream* /*stream*/)
+int SrsPacket::decode(SrsStream* stream)
 {
 	int ret = ERROR_SUCCESS;
+	
+	srs_assert(stream != NULL);
+
+	ret = ERROR_SYSTEM_PACKET_INVALID;
+	srs_error("current packet is not support to decode. "
+		"paket=%s, ret=%d", get_class_name(), ret);
+	
 	return ret;
 }
 
@@ -988,7 +995,7 @@ int SrsPacket::encode_packet(SrsStream* stream)
 	srs_assert(stream != NULL);
 
 	ret = ERROR_SYSTEM_PACKET_INVALID;
-	srs_error("current packet is not support to sendout. "
+	srs_error("current packet is not support to encode. "
 		"paket=%s, ret=%d", get_class_name(), ret);
 	
 	return ret;
@@ -1008,10 +1015,6 @@ SrsConnectAppPacket::~SrsConnectAppPacket()
 int SrsConnectAppPacket::decode(SrsStream* stream)
 {
 	int ret = ERROR_SUCCESS;
-	
-	if ((ret = super::decode(stream)) != ERROR_SUCCESS) {
-		return ret;
-	}
 
 	if ((ret = srs_amf0_read_string(stream, command_name)) != ERROR_SUCCESS) {
 		srs_error("amf0 decode connect command_name failed. ret=%d", ret);
@@ -1059,26 +1062,6 @@ SrsSetWindowAckSizePacket::~SrsSetWindowAckSizePacket()
 {
 }
 
-int SrsSetWindowAckSizePacket::decode(SrsStream* stream)
-{
-	int ret = ERROR_SUCCESS;
-	
-	if ((ret = super::decode(stream)) != ERROR_SUCCESS) {
-		return ret;
-	}
-	
-	if (!stream->require(4)) {
-		ret = ERROR_RTMP_MESSAGE_DECODE;
-		srs_error("set window ack size failed. ret=%d", ret);
-		return ret;
-	}
-	
-	ackowledgement_window_size = stream->read_4bytes();
-	srs_info("decode window ack size success. ack_size=%d", ackowledgement_window_size);
-	
-	return ret;
-}
-
 int SrsSetWindowAckSizePacket::get_perfer_cid()
 {
 	return RTMP_CID_ProtocolControl;
@@ -1112,3 +1095,47 @@ int SrsSetWindowAckSizePacket::encode_packet(SrsStream* stream)
 	return ret;
 }
 
+SrsSetPeerBandwidthPacket::SrsSetPeerBandwidthPacket()
+{
+	bandwidth = 0;
+	type = 2;
+}
+
+SrsSetPeerBandwidthPacket::~SrsSetPeerBandwidthPacket()
+{
+}
+
+int SrsSetPeerBandwidthPacket::get_perfer_cid()
+{
+	return RTMP_CID_ProtocolControl;
+}
+
+int SrsSetPeerBandwidthPacket::get_message_type()
+{
+	return RTMP_MSG_SetPeerBandwidth;
+}
+
+int SrsSetPeerBandwidthPacket::get_size()
+{
+	return 5;
+}
+
+int SrsSetPeerBandwidthPacket::encode_packet(SrsStream* stream)
+{
+	int ret = ERROR_SUCCESS;
+	
+	if (!stream->require(5)) {
+		ret = ERROR_RTMP_MESSAGE_ENCODE;
+		srs_error("encode set bandwidth packet failed. ret=%d", ret);
+		return ret;
+	}
+	
+	stream->write_4bytes(bandwidth);
+	stream->write_1bytes(type);
+	
+	srs_verbose("encode set bandwidth packet "
+		"success. bandwidth=%d, type=%d", bandwidth, type);
+	
+	return ret;
+}
+
diff --git a/trunk/src/core/srs_core_protocol.hpp b/trunk/src/core/srs_core_protocol.hpp
index 20c4367ad..db9378549 100755
--- a/trunk/src/core/srs_core_protocol.hpp
+++ b/trunk/src/core/srs_core_protocol.hpp
@@ -256,10 +256,22 @@ public:
 */
 class SrsPacket
 {
+protected:
+	/**
+	* subpacket must override to provide the right class name.
+	*/
+	virtual const char* get_class_name()
+	{
+		return CLASS_NAME_STRING(SrsPacket);
+	}
 public:
 	SrsPacket();
 	virtual ~SrsPacket();
 public:
+	/**
+	* subpacket must override to decode packet from stream.
+	* @remark never invoke the super.decode, it always failed.
+	*/
 	virtual int decode(SrsStream* stream);
 public:
 	virtual int get_perfer_cid();
@@ -283,16 +295,9 @@ protected:
 	virtual int get_size();
 	/**
 	* subpacket can override to encode the payload to stream.
+	* @remark never invoke the super.encode_packet, it always failed.
 	*/
 	virtual int encode_packet(SrsStream* stream);
-protected:
-	/**
-	* subpacket must override to provide the right class name.
-	*/
-	virtual const char* get_class_name()
-	{
-		return CLASS_NAME_STRING(SrsPacket);
-	}
 };
 
 /**
@@ -304,6 +309,11 @@ class SrsConnectAppPacket : public SrsPacket
 {
 private:
 	typedef SrsPacket super;
+protected:
+	virtual const char* get_class_name()
+	{
+		return CLASS_NAME_STRING(SrsConnectAppPacket);
+	}
 public:
 	std::string command_name;
 	double transaction_id;
@@ -313,11 +323,6 @@ public:
 	virtual ~SrsConnectAppPacket();
 public:
 	virtual int decode(SrsStream* stream);
-protected:
-	virtual const char* get_class_name()
-	{
-		return CLASS_NAME_STRING(SrsConnectAppPacket);
-	}
 };
 
 /**
@@ -329,13 +334,16 @@ class SrsSetWindowAckSizePacket : public SrsPacket
 {
 private:
 	typedef SrsPacket super;
+protected:
+	virtual const char* get_class_name()
+	{
+		return CLASS_NAME_STRING(SrsSetWindowAckSizePacket);
+	}
 public:
 	int32_t ackowledgement_window_size;
 public:
 	SrsSetWindowAckSizePacket();
 	virtual ~SrsSetWindowAckSizePacket();
-public:
-	virtual int decode(SrsStream* stream);
 public:
 	virtual int get_perfer_cid();
 public:
@@ -343,11 +351,35 @@ public:
 protected:
 	virtual int get_size();
 	virtual int encode_packet(SrsStream* stream);
+};
+
+/**
+* 5.6. Set Peer Bandwidth (6)
+* The client or the server sends this message to update the output
+* bandwidth of the peer.
+*/
+class SrsSetPeerBandwidthPacket : public SrsPacket
+{
+private:
+	typedef SrsPacket super;
 protected:
 	virtual const char* get_class_name()
 	{
-		return CLASS_NAME_STRING(SrsSetWindowAckSizePacket);
+		return CLASS_NAME_STRING(SrsSetPeerBandwidthPacket);
 	}
+public:
+	int32_t bandwidth;
+	int8_t type;
+public:
+	SrsSetPeerBandwidthPacket();
+	virtual ~SrsSetPeerBandwidthPacket();
+public:
+	virtual int get_perfer_cid();
+public:
+	virtual int get_message_type();
+protected:
+	virtual int get_size();
+	virtual int encode_packet(SrsStream* stream);
 };
 
 /**
diff --git a/trunk/src/core/srs_core_rtmp.cpp b/trunk/src/core/srs_core_rtmp.cpp
index f9388696c..65226ddac 100755
--- a/trunk/src/core/srs_core_rtmp.cpp
+++ b/trunk/src/core/srs_core_rtmp.cpp
@@ -184,3 +184,24 @@ int SrsRtmp::set_window_ack_size(int ack_size)
 	return ret;
 }
 
+int SrsRtmp::set_peer_bandwidth(int bandwidth, int type)
+{
+	int ret = ERROR_SUCCESS;
+	
+	SrsMessage* msg = new SrsMessage();
+	SrsSetPeerBandwidthPacket* pkt = new SrsSetPeerBandwidthPacket();
+	
+	pkt->bandwidth = bandwidth;
+	pkt->type = type;
+	msg->set_packet(pkt);
+	
+	if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
+		srs_error("send set bandwidth message failed. ret=%d", ret);
+		return ret;
+	}
+	srs_info("send set bandwidth message "
+		"success. bandwidth=%d, type=%d", bandwidth, type);
+	
+	return ret;
+}
+
diff --git a/trunk/src/core/srs_core_rtmp.hpp b/trunk/src/core/srs_core_rtmp.hpp
index bd9a2472c..846aedbca 100755
--- a/trunk/src/core/srs_core_rtmp.hpp
+++ b/trunk/src/core/srs_core_rtmp.hpp
@@ -74,6 +74,11 @@ public:
 	virtual int handshake();
 	virtual int connect_app(SrsRequest* req);
 	virtual int set_window_ack_size(int ack_size);
+	/**
+	* @type: The sender can mark this message hard (0), soft (1), or dynamic (2)
+	* using the Limit type field.
+	*/
+	virtual int set_peer_bandwidth(int bandwidth, int type);
 };
 
 #endif
\ No newline at end of file
diff --git a/trunk/src/core/srs_core_stream.cpp b/trunk/src/core/srs_core_stream.cpp
index 3ea887638..76847f3d7 100755
--- a/trunk/src/core/srs_core_stream.cpp
+++ b/trunk/src/core/srs_core_stream.cpp
@@ -78,11 +78,11 @@ void SrsStream::skip(int size)
 	p += size;
 }
 
-char SrsStream::read_char()
+int8_t SrsStream::read_1bytes()
 {
 	srs_assert(require(1));
 	
-	return *p++;
+	return (int8_t)*p++;
 }
 
 int16_t SrsStream::read_2bytes()
@@ -152,3 +152,10 @@ void SrsStream::write_4bytes(int32_t value)
 	*p++ = pp[0];
 }
 
+void SrsStream::write_1bytes(int8_t value)
+{
+	srs_assert(require(1));
+	
+	*p++ = value;
+}
+
diff --git a/trunk/src/core/srs_core_stream.hpp b/trunk/src/core/srs_core_stream.hpp
index 13ee31b55..094f6d230 100755
--- a/trunk/src/core/srs_core_stream.hpp
+++ b/trunk/src/core/srs_core_stream.hpp
@@ -74,7 +74,7 @@ public:
 	/**
 	* get 1bytes char from stream.
 	*/
-	virtual char read_char();
+	virtual int8_t read_1bytes();
 	/**
 	* get 2bytes int from stream.
 	*/
@@ -96,6 +96,10 @@ public:
 	* write 4bytes int to stream.
 	*/
 	virtual void write_4bytes(int32_t value);
+	/**
+	* write 1bytes char to stream.
+	*/
+	virtual void write_1bytes(int8_t value);
 };
 
 #endif
\ No newline at end of file
diff --git a/trunk/src/main/srs_main_server.cpp b/trunk/src/main/srs_main_server.cpp
index 5a1954077..2cad78ff5 100755
--- a/trunk/src/main/srs_main_server.cpp
+++ b/trunk/src/main/srs_main_server.cpp
@@ -34,7 +34,7 @@ int main(int /*argc*/, char** /*argv*/){
 		return ret;
 	}
 	
-	if ((ret = server.listen(19350)) != ERROR_SUCCESS) {
+	if ((ret = server.listen(1935)) != ERROR_SUCCESS) {
 		return ret;
 	}