diff --git a/trunk/conf/srs.conf b/trunk/conf/srs.conf
index da062849a..a12cddcde 100644
--- a/trunk/conf/srs.conf
+++ b/trunk/conf/srs.conf
@@ -14,9 +14,19 @@ http_server {
     listen          8080;
     dir             ./objs/nginx/html;
 }
+
+srt_server {
+    enabled on;
+    listen 10080;
+}
+
 stats {
     network         0;
     disk            sda sdb xvda xvdb;
 }
 vhost __defaultVhost__ {
+    forward {
+        enabled on;
+        destination 172.16.43.153:19350;
+    }
 }
diff --git a/trunk/configure b/trunk/configure
index 3b366397f..e3e31ef61 100755
--- a/trunk/configure
+++ b/trunk/configure
@@ -96,6 +96,8 @@ END
 GDBDebug=" -g -O0"
 # the warning level.
 WarnLevel=" -Wall"
+# c++11 enable.
+cpp11=" -std=c++11 -pthread"
 # the compile standard.
 CppStd="-ansi"
 # for library compile
@@ -107,7 +109,7 @@ SrsGprof=""; SrsGprofLink=""; if [ $SRS_GPROF = YES ]; then SrsGprof=" -pg -lc_p
 # performance of gperf
 SrsGperf=""; SrsGperfLink=""; if [ $SRS_GPERF = YES ]; then SrsGperfLink=" -lpthread"; fi
 # the cxx flag generated.
-CXXFLAGS="${CXXFLAGS} ${CppStd}${WarnLevel}${GDBDebug}${LibraryCompile}${SrsGprof}"
+CXXFLAGS="${CXXFLAGS} ${CppStd}${WarnLevel}${cpp11}${GDBDebug}${LibraryCompile}${SrsGprof}"
 if [ $SRS_GPERF = YES ]; then
     CXXFLAGS="${CXXFLAGS} -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free";
 fi
@@ -158,7 +160,7 @@ if [ $SRS_GPERF_MD = YES ]; then
     LibGperfFile="${SRS_OBJS_DIR}/gperf/lib/libtcmalloc_debug.a";
 fi
 # the link options, always use static link
-SrsLinkOptions="-ldl";
+SrsLinkOptions="-pthread -ldl";
 if [[ $SRS_SSL == YES && $SRS_USE_SYS_SSL == YES ]]; then
     SrsLinkOptions="${SrsLinkOptions} -lssl -lcrypto";
 fi
@@ -206,6 +208,14 @@ MODULE_FILES=("srs_protocol_amf0" "srs_protocol_io" "srs_rtmp_stack"
 PROTOCOL_INCS="src/protocol"; MODULE_DIR=${PROTOCOL_INCS} . auto/modules.sh
 PROTOCOL_OBJS="${MODULE_OBJS[@]}"
 #
+#srt protocol features.
+MODULE_ID="SRT" 
+MODULE_DEPENDS=("CORE" "KERNEL" "PROTOCOL" "SERVICE" "APP") 
+ModuleLibIncs=(${SRS_OBJS_DIR})
+MODULE_FILES=("srt_server")
+SRT_INCS="src/srt"; MODULE_DIR=${SRT_INCS} . auto/modules.sh
+SRT_OBJS="${MODULE_OBJS[@]}"
+#
 #Service Module, for both Server and Client Modules.
 if [ $SRS_EXPORT_LIBRTMP_PROJECT = NO ]; then
     MODULE_ID="SERVICE"
@@ -257,7 +267,7 @@ LIBS_OBJS="${MODULE_OBJS[@]}"
 #Server Module, for SRS only.
 if [ $SRS_EXPORT_LIBRTMP_PROJECT = NO ]; then
     MODULE_ID="SERVER"
-    MODULE_DEPENDS=("CORE" "KERNEL" "PROTOCOL" "SERVICE" "APP")
+    MODULE_DEPENDS=("CORE" "KERNEL" "PROTOCOL" "SERVICE" "APP" "SRT")
     ModuleLibIncs=(${LibSTRoot} ${SRS_OBJS_DIR} ${LibGperfRoot} ${LibSSLRoot})
     MODULE_FILES=("srs_main_server")
     SERVER_INCS="src/main"; MODULE_DIR=${SERVER_INCS} . auto/modules.sh
@@ -297,14 +307,14 @@ if [ $SRS_EXPORT_LIBRTMP_PROJECT = NO ]; then
     # all depends libraries
     ModuleLibFiles=(${LibSTfile} ${LibSSLfile} ${LibGperfFile})
     # all depends objects
-    MODULE_OBJS="${CORE_OBJS[@]} ${KERNEL_OBJS[@]} ${PROTOCOL_OBJS[@]} ${SERVICE_OBJS[@]} ${APP_OBJS[@]} ${SERVER_OBJS[@]}"
+    MODULE_OBJS="${CORE_OBJS[@]} ${KERNEL_OBJS[@]} ${PROTOCOL_OBJS[@]} ${SRT_OBJS[@]} ${SERVICE_OBJS[@]} ${APP_OBJS[@]} ${SERVER_OBJS[@]}"
     LINK_OPTIONS="${SrsLinkOptions}${SrsGprofLink}${SrsGperfLink}"
     #
     # srs: srs(simple rtmp server) over st(state-threads)
     BUILD_KEY="srs" APP_MAIN="srs_main_server" APP_NAME="srs" . auto/apps.sh
     #
     # For modules, without the app module.
-    MODULE_OBJS="${CORE_OBJS[@]} ${KERNEL_OBJS[@]} ${PROTOCOL_OBJS[@]} ${SERVICE_OBJS[@]} ${MAIN_OBJS[@]}"
+    MODULE_OBJS="${CORE_OBJS[@]} ${KERNEL_OBJS[@]} ${SRT_OBJS[@]} ${PROTOCOL_OBJS[@]} ${SERVICE_OBJS[@]} ${MAIN_OBJS[@]}"
     #
     for SRS_MODULE in ${SRS_MODULES[*]}; do
         . $SRS_MODULE/config
@@ -326,7 +336,7 @@ if [ $SRS_UTEST = YES ]; then
         "srs_utest_mp4" "srs_utest_service" "srs_utest_app")
     ModuleLibIncs=(${SRS_OBJS_DIR} ${LibSTRoot} ${LibSSLRoot})
     ModuleLibFiles=(${LibSTfile} ${LibSSLfile})
-    MODULE_DEPENDS=("CORE" "KERNEL" "PROTOCOL" "SERVICE" "APP")
+    MODULE_DEPENDS=("CORE" "KERNEL" "PROTOCOL" "SERVICE" "APP" "SRT")
     MODULE_OBJS="${CORE_OBJS[@]} ${KERNEL_OBJS[@]} ${PROTOCOL_OBJS[@]} ${SERVICE_OBJS[@]} ${APP_OBJS[@]}"
     LINK_OPTIONS="-lpthread ${SrsLinkOptions}" MODULE_DIR="src/utest" APP_NAME="srs_utest" . auto/utest.sh
 fi
diff --git a/trunk/src/app/srs_app_config.cpp b/trunk/src/app/srs_app_config.cpp
index a0277f3c9..e443a3318 100644
--- a/trunk/src/app/srs_app_config.cpp
+++ b/trunk/src/app/srs_app_config.cpp
@@ -479,7 +479,7 @@ srs_error_t srs_config_transform_vhost(SrsConfDirective* root)
                 ++it;
                 continue;
             }
-            
+
             // SRS3.0, change the folowing like a shadow:
             //      mode, origin, token_traverse, vhost, debug_srs_upnode
             //  SRS1/2:
@@ -3470,7 +3470,7 @@ srs_error_t SrsConfig::check_normal_config()
             && n != "srs_log_tank" && n != "srs_log_level" && n != "srs_log_file"
             && n != "max_connections" && n != "daemon" && n != "heartbeat"
             && n != "http_api" && n != "stats" && n != "vhost" && n != "pithy_print_ms"
-            && n != "http_server" && n != "stream_caster"
+            && n != "http_server" && n != "stream_caster" && n != "srt_server"
             && n != "utc_time" && n != "work_dir" && n != "asprocess"
             ) {
             return srs_error_new(ERROR_SYSTEM_CONFIG_INVALID, "illegal directive %s", n.c_str());
@@ -3504,6 +3504,15 @@ srs_error_t SrsConfig::check_normal_config()
             }
         }
     }
+    if (true) {
+        SrsConfDirective* conf = root->get("srt_server");
+        for (int i = 0; conf && i < (int)conf->directives.size(); i++) {
+            string n = conf->at(i)->name;
+            if (n != "enabled" && n != "listen") {
+                return srs_error_new(ERROR_SYSTEM_CONFIG_INVALID, "illegal srt_stream.%s", n.c_str());
+            }
+        }
+    }
     if (true) {
         SrsConfDirective* conf = get_heartbeart();
         for (int i = 0; conf && i < (int)conf->directives.size(); i++) {
@@ -3631,6 +3640,7 @@ srs_error_t SrsConfig::check_normal_config()
     get_vhosts(vhosts);
     for (int n = 0; n < (int)vhosts.size(); n++) {
         SrsConfDirective* vhost = vhosts[n];
+        printf("virtural host name:%s, arg:%s\r\n", vhost->name.c_str(), vhost->args[0].c_str());
         for (int i = 0; vhost && i < (int)vhost->directives.size(); i++) {
             SrsConfDirective* conf = vhost->at(i);
             string n = conf->name;
@@ -6629,6 +6639,39 @@ bool SrsConfig::get_raw_api_allow_update()
     return SRS_CONF_PERFER_FALSE(conf->arg0());
 }
 
+
+bool SrsConfig::get_srt_enabled()
+{
+    static bool DEFAULT = false;
+    
+    SrsConfDirective* conf = root->get("srt_server");
+    if (!conf) {
+        return DEFAULT;
+    }
+    
+    conf = conf->get("enabled");
+    if (!conf || conf->arg0().empty()) {
+        return DEFAULT;
+    }
+    
+    return SRS_CONF_PERFER_FALSE(conf->arg0());
+}
+
+unsigned short SrsConfig::get_srt_listen_port()
+{
+    static unsigned short DEFAULT = 10080;
+    SrsConfDirective* conf = root->get("srt_server");
+    if (!conf) {
+        return DEFAULT;
+    }
+    
+    conf = conf->get("listen");
+    if (!conf || conf->arg0().empty()) {
+        return DEFAULT;
+    }
+    return (unsigned short)atoi(conf->arg0().c_str());
+}
+
 bool SrsConfig::get_http_stream_enabled()
 {
     SrsConfDirective* conf = root->get("http_server");
diff --git a/trunk/src/app/srs_app_config.hpp b/trunk/src/app/srs_app_config.hpp
index c9c03e24f..cc936affc 100644
--- a/trunk/src/app/srs_app_config.hpp
+++ b/trunk/src/app/srs_app_config.hpp
@@ -588,6 +588,13 @@ public:
     virtual bool get_forward_enabled(std::string vhost);
     // Get the forward directive of vhost.
     virtual SrsConfDirective* get_forwards(std::string vhost);
+
+public:
+    // Whether the srt sevice enabled
+    virtual bool get_srt_enabled();
+    // Get the srt service listen port
+    virtual unsigned short get_srt_listen_port();
+
 // http_hooks section
 private:
     // Get the http_hooks directive of vhost.
diff --git a/trunk/src/app/srs_app_server.cpp b/trunk/src/app/srs_app_server.cpp
index 8c6d21470..226f0dc1e 100644
--- a/trunk/src/app/srs_app_server.cpp
+++ b/trunk/src/app/srs_app_server.cpp
@@ -688,7 +688,10 @@ srs_error_t SrsServer::listen()
     if ((err = conn_manager->start()) != srs_success) {
         return srs_error_wrap(err, "connection manager");
     }
-    
+    if ((err = listen_srt()) != srs_success) {
+        return srs_error_wrap(err, "srt listen");
+    }
+
     return err;
 }
 
@@ -1004,6 +1007,24 @@ srs_error_t SrsServer::do_cycle()
     return err;
 }
 
+srs_error_t SrsServer::listen_srt() {
+    srs_error_t err = srs_success;
+
+    if(_srs_config->get_srt_enabled()) {
+        srs_trace("srt server is enabled...");
+        unsigned short srt_port = _srs_config->get_srt_listen_port();
+        srs_trace("srt server listen port:%d", srt_port);
+        srt_ptr = std::make_shared<srt_server>(srt_port);
+        if (!srt_ptr) {
+            srs_error_wrap(err, "srt listen %d", srt_port);
+        }
+        srt_ptr->start();
+    } else {
+        srs_trace("srt server is disabled...");
+    }
+    return err;
+}
+
 srs_error_t SrsServer::listen_rtmp()
 {
     srs_error_t err = srs_success;
diff --git a/trunk/src/app/srs_app_server.hpp b/trunk/src/app/srs_app_server.hpp
index fd8cbe3ad..625c161e7 100644
--- a/trunk/src/app/srs_app_server.hpp
+++ b/trunk/src/app/srs_app_server.hpp
@@ -36,6 +36,7 @@
 #include <srs_app_listener.hpp>
 #include <srs_app_conn.hpp>
 #include <srs_service_st.hpp>
+#include "../srt/srt_server.hpp"
 
 class SrsServer;
 class SrsConnection;
@@ -209,6 +210,11 @@ private:
     SrsHttpHeartbeat* http_heartbeat;
     SrsIngester* ingester;
     SrsCoroutineManager* conn_manager;
+
+private:
+    //srt server
+    SRT_SERVER_PTR srt_ptr;
+
 private:
     // The pid file fd, lock the file write when server is running.
     // @remark the init.d script should cleanup the pid file, when stop service,
@@ -279,6 +285,8 @@ private:
     virtual srs_error_t listen_http_api();
     virtual srs_error_t listen_http_stream();
     virtual srs_error_t listen_stream_caster();
+    //start listen srt udp port
+    virtual srs_error_t listen_srt();
     // Close the listeners for specified type,
     // Remove the listen object from manager.
     virtual void close_listeners(SrsListenerType type);
diff --git a/trunk/src/app/srs_app_source.cpp b/trunk/src/app/srs_app_source.cpp
index 788773c80..bfe3e1577 100755
--- a/trunk/src/app/srs_app_source.cpp
+++ b/trunk/src/app/srs_app_source.cpp
@@ -1456,6 +1456,7 @@ srs_error_t SrsOriginHub::create_forwarders()
     if (!_srs_config->get_forward_enabled(req->vhost)) {
         return err;
     }
+    srs_trace("srs vhost(%s) forward is enable.", req->host.c_str());
     
     SrsConfDirective* conf = _srs_config->get_forwards(req->vhost);
     for (int i = 0; conf && i < (int)conf->args.size(); i++) {
diff --git a/trunk/src/srt/srt_server.cpp b/trunk/src/srt/srt_server.cpp
new file mode 100644
index 000000000..f4f7ee8da
--- /dev/null
+++ b/trunk/src/srt/srt_server.cpp
@@ -0,0 +1,43 @@
+#include "srt_server.hpp"
+#include <thread>
+#include <srs_kernel_log.hpp>
+#include <srs_kernel_error.hpp>
+#include <srs_app_rtmp_conn.hpp>
+#include <srs_app_config.hpp>
+
+srt_server::srt_server(unsigned short port):listen_port(port)
+{
+
+}
+
+srt_server::~srt_server()
+{
+
+}
+
+int srt_server::start()
+{
+    run_flag = true;
+    srs_trace("srt server is starting... port(%d)", listen_port);
+    thread_run_ptr = std::make_shared<std::thread>(&srt_server::on_work, this);
+    return 0;
+}
+
+void srt_server::stop()
+{
+    run_flag = false;
+    if (!thread_run_ptr) {
+        return;
+    }
+    thread_run_ptr->join();
+    return;
+}
+
+void srt_server::on_work()
+{
+    srs_trace("srt server is working port(%d)", listen_port);
+    while (run_flag)
+    {
+        std::this_thread::sleep_for(std::chrono::milliseconds(10));
+    }
+}
diff --git a/trunk/src/srt/srt_server.hpp b/trunk/src/srt/srt_server.hpp
new file mode 100644
index 000000000..49229dc6d
--- /dev/null
+++ b/trunk/src/srt/srt_server.hpp
@@ -0,0 +1,25 @@
+#ifndef SRT_SERVER_H
+#define SRT_SERVER_H
+#include <thread>
+#include <memory>
+
+class srt_server {
+public:
+    srt_server(unsigned short port);
+    ~srt_server();
+
+    int start();
+    void stop();
+
+private:
+    void on_work();
+
+private:
+    unsigned short listen_port;
+    bool run_flag;
+    std::shared_ptr<std::thread> thread_run_ptr;
+};
+
+typedef std::shared_ptr<srt_server> SRT_SERVER_PTR;
+
+#endif//SRT_SERVER_H
\ No newline at end of file