diff --git a/src/envoy/prototype/README.md b/src/envoy/prototype/README.md
index 5b4e85bfb4d..ad7eba84287 100644
--- a/src/envoy/prototype/README.md
+++ b/src/envoy/prototype/README.md
@@ -33,8 +33,7 @@ This Proxy will use Envoy and talk to Mixer server.
 
 ```
   cd test/backend/echo
-  npm install
-  node echo.js
+  go run echo.go
 ```
 
 * Start Envoy proxy, run
diff --git a/test/backend/echo/README.md b/test/backend/echo/README.md
index b3d4ee11032..8df2854c5f3 100644
--- a/test/backend/echo/README.md
+++ b/test/backend/echo/README.md
@@ -1,3 +1,3 @@
-# Simple echo server for esp testing.
+# Simple echo server for proxy testing.
 
-Node.js implementation of echo server.
+golang implementation of echo server.
diff --git a/test/backend/echo/echo.go b/test/backend/echo/echo.go
new file mode 100644
index 00000000000..51aaa07e353
--- /dev/null
+++ b/test/backend/echo/echo.go
@@ -0,0 +1,76 @@
+// Copyright 2016 Google Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+// An example implementation of Echo backend in go.
+
+package main
+
+import (
+	"flag"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"strconv"
+	"sync"
+	"time"
+)
+
+var (
+	port = flag.Int("port", 8080, "default http port")
+
+	mu       sync.Mutex
+	requests = 0
+	data     = 0
+)
+
+func handler(w http.ResponseWriter, r *http.Request) {
+	body, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	// echo back the Content-Type and Content-Length in the response
+	for _, k := range []string{"Content-Type", "Content-Length"} {
+		if v := r.Header.Get(k); v != "" {
+			w.Header().Set(k, v)
+		}
+	}
+	w.WriteHeader(http.StatusOK)
+	w.Write(body)
+
+	mu.Lock()
+	requests++
+	data += len(body)
+	defer mu.Unlock()
+}
+
+func main() {
+	flag.Parse()
+
+	go func() {
+		for {
+			mu.Lock()
+			fmt.Printf("Requests Requests: %v  Data: %v\n", requests, data)
+			mu.Unlock()
+			time.Sleep(time.Second)
+		}
+	}()
+
+	fmt.Printf("Listening on port %v\n", *port)
+
+	http.HandleFunc("/", handler)
+	http.ListenAndServe(":"+strconv.Itoa(*port), nil)
+}
diff --git a/test/backend/echo/echo.js b/test/backend/echo/echo.js
deleted file mode 100644
index b1d0028f1c8..00000000000
--- a/test/backend/echo/echo.js
+++ /dev/null
@@ -1,74 +0,0 @@
-// Copyright 2016 Google Inc. All Rights Reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//    http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
-////////////////////////////////////////////////////////////////////////////////
-//
-// An example implementation of Echo backend.
-
-"use strict";
-
-var http = require('http');
-var server = http.createServer();
-
-var totalReceived = 0;
-var totalData = 0;
-
-server.on('request', function(req, res) {
-  totalReceived += 1;
-  var method = req.method;
-  var url = req.url;
-  if (method == 'GET' && url == '/version') {
-      res.writeHead(200, {"Content-Type": "application/json"});
-      res.write('{"version":"${VERSION}"}');
-      res.end();
-      return;
-  }
-  req.on('data', function(chunk) {
-    totalData += chunk.length;
-    res.write(chunk);
-  })
-  req.on('end', function() {
-    res.end();
-  });
-
-  var cl = req.headers['content-length'];
-  var ct = req.headers['content-type'];
-
-  var headers = {};
-  if (cl !== undefined) {
-    headers['Content-Length'] = cl;
-  }
-  if (ct !== undefined) {
-    headers['Content-Type'] = ct;
-  }
-
-  res.writeHead(200, headers);
-  req.resume();
-});
-
-var totalConnection = 0;
-
-server.on('connection', function(socket) {
-  totalConnection += 1;
-});
-
-setInterval(function() {
-  console.log("Requests received:", totalReceived, " Data: ", totalData, " Connection: ", totalConnection);
-}, 1000);
-
-var port = process.env.PORT || 8080;
-
-server.listen(port, function() {
-  console.log('Listening on port', port);
-});
diff --git a/test/backend/echo/package.json b/test/backend/echo/package.json
deleted file mode 100644
index 38bf8b4d3a3..00000000000
--- a/test/backend/echo/package.json
+++ /dev/null
@@ -1,22 +0,0 @@
-{
-  "name": "echo",
-  "version": "8.8.1",
-  "description": "An echo server.",
-  "main": "echo.js",
-  "readme": "README.md",
-  "scripts": {
-    "start": "node echo.js"
-  },
-  "repository": {
-    "type": "git",
-    "url": "https://github.com/istio/proxy"
-  },
-  "license": "Apache-2.0",
-  "engines" : {
-    "node" : ">=4.1.2"
-  },
-  "files": [
-    "README.md",
-    "echo.js"
-  ]
-}