diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..894a44c
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,104 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# pyenv
+.python-version
+
+# celery beat schedule file
+celerybeat-schedule
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..665441f
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,9 @@
+docker_image := net-env
+docker_file := dockers/Dockerfile
+
+all: net-env
+
+net-env:
+	docker pull ubuntu:20.04
+	docker build . --build-arg UID=$(shell id -u) --build-arg GUID=$(shell id -g) -f $(docker_file) -t ${docker_image}
+
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
new file mode 100644
index 0000000..75bbc3d
--- /dev/null
+++ b/azure-pipelines.yml
@@ -0,0 +1,41 @@
+# Starter pipeline
+# Start with a minimal pipeline that you can customize to build and deploy your code.
+# Add steps that build, run tests, deploy, and more:
+# https://aka.ms/yaml
+
+trigger:
+  branches:
+    include:
+    - "*"
+    exclude:
+    - upstream/*
+
+
+pool:
+  vmImage: 'ubuntu-latest'
+
+steps:
+
+- checkout: self
+
+- script: make
+  displayName: 'build network measure environment'
+  
+- script: cd /home ; sudo wget https://github.com/OpenNetLab/OpenNetLab-P2P-Measurment/blob/v-wangyif/std-process-pitch/machines.json 
+  displayName: 'make network measure environment'
+
+- script: docker run -v /home:/app -w /app --net=host --name net_evals net-env:latest python3 /home/onl/bwmur/bwmursever.py && docker run -v /home:/app -w /app --net=host --name net_evalc net-env:latest python3 /home/onl/bwmur/bwmurclient.py
+  displayName: 'Run test'
+
+
+- script: docker image tag net-env:latest opennetlab.azurecr.io/net-env:latest
+  displayName: 'Tag network environment image'
+
+- task: Docker@2
+  condition: and(succeeded(), eq(variables['Build.SourceBranch'], 'refs/heads/master'))
+  inputs:
+    containerRegistry: 'opennetlab Azure registry'
+    repository: 'net-env'
+    command: 'push'
+    tags: 'latest'
+  displayName: "Push net-env image"
diff --git a/bwmur/bwmurclient.py b/bwmur/bwmurclient.py
new file mode 100644
index 0000000..3e71e4e
--- /dev/null
+++ b/bwmur/bwmurclient.py
@@ -0,0 +1,86 @@
+import paramiko
+import time
+import random
+import json
+import os
+import sys
+from scp import SCPClient
+import numpy as np
+import copy
+import time
+
+socket_timeout_sec = 240
+machines_file = "machines.json"
+sever_port = "8000"
+sever_ip = "127.0.0.1"
+recv_wd = "/home"
+
+sever_run_cmd = [
+    "iperf3 -s -p %s -i 1 -1" % (
+        sever_port)]
+client_run_cmd = [
+    "iperf3 -c %s -p %s" % (
+        sever_ip, sever_port)]
+
+def get_datetime():
+    now = int(round(time.time() * 1000))
+    ret = time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(now / 1000))
+    return ret
+    
+
+def get_bw(name):
+    global sever_ip
+    global sever_port
+    with open(machines_file, 'r') as f:
+        machines = json.loads(f.read())
+        if name not in machines:
+            raise ValueError("Not find such mahcine")
+        sever_ip = machines[name]["host"]
+        sever_port = machines[name]["bw_port"]
+        print(machines[name]["host"])
+        print(sever_ip)
+        
+
+        
+def get_ssh(name):
+    client = paramiko.SSHClient()
+    client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
+    with open(machines_file, 'r') as f:
+        machines = json.loads(f.read())
+        if name not in machines:
+            raise ValueError("Not find such mahcine")
+
+        client.connect(hostname=machines[name]["host"], port=machines[name]["ssh_port"], username=machines[name]["user"],
+                       password=machines[name]["pwd"])
+
+
+    return client
+
+def BWmeasure(matches_num):
+    try:
+        output =" "
+        get_bw("recv_%d" % (matches_num))
+        client_run_cmd = ["iperf3 -c %s -p %s" % (sever_ip, sever_port)]
+        status = os.popen(" ".join(client_run_cmd)).read()
+        print(" ".join(client_run_cmd))
+        cmd = client_run_cmd
+        doc = open('clientbwlog.txt', 'a+')
+        doc.seek(0)
+        doc.truncate()
+        doc.write(status)
+        doc.close()
+        netctr = get_ssh("netctr")
+        print("start scp")
+        scp_client = SCPClient(netctr.get_transport(), socket_timeout=30.0)
+        scp_client.put("clientbwlog.txt", "%s/." % (recv_wd))
+        scp_client.close()
+
+
+    except Exception as e:
+        print(get_datetime(), "run_measure", e)
+
+    finally:
+        print("measure finish")
+
+if __name__ == "__main__":
+    BWmeasure(1)
diff --git a/bwmur/bwmursever.py b/bwmur/bwmursever.py
new file mode 100644
index 0000000..3a05d13
--- /dev/null
+++ b/bwmur/bwmursever.py
@@ -0,0 +1,94 @@
+import paramiko
+import time
+import random
+import json
+import os
+import sys
+from scp import SCPClient
+import numpy as np
+import copy
+import time
+
+socket_timeout_sec = 240
+machines_file = "machines.json"
+sever_port = "8000"
+sever_ip = "0.0.0.0"
+recv_wd = "/home/wang/testnet/"
+
+sever_run_cmd = [
+    "iperf3 -s -p %s -i 1 -1" % (
+        sever_port)]
+client_run_cmd = [
+    "iperf3 -c %s -p %s" % (
+        sever_ip, sever_port)]
+
+def get_datetime():
+    now = int(round(time.time() * 1000))
+    ret = time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(now / 1000))
+    return ret
+    
+
+def get_bw(name):
+    global sever_ip
+    global sever_port
+    with open(machines_file, 'r') as f:
+        machines = json.loads(f.read())
+        if name not in machines:
+            raise ValueError("Not find such mahcine")
+
+        #print("iperf")
+        #print(machines[name]["host"])
+        #print(machines[name]["bw_port"])
+        sever_ip = machines[name]["host"]
+        sever_port = machines[name]["bw_port"]
+        
+
+        
+def get_ssh(name):
+    client = paramiko.SSHClient()
+    client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
+    with open(machines_file, 'r') as f:
+        machines = json.loads(f.read())
+        if name not in machines:
+            raise ValueError("Not find such mahcine")
+
+        client.connect(hostname=machines[name]["host"], port=machines[name]["ssh_port"], username=machines[name]["user"],
+                       password=machines[name]["pwd"])
+
+        #print(machines[name]["host"])
+        #print(machines[name]["ssh_port"])
+        #print(machines[name]["user"])
+
+    return client
+
+def BWmeasure(matches_num):
+    #print(get_datetime(), "start measure")
+    try:
+        output =" "
+        get_bw("recv_%d" % (matches_num))
+        sever_run_cmd = ["iperf3 -s -p %s -i 1 -1" % (sever_port)]
+        status = os.popen(" ".join(sever_run_cmd)).read()
+        cmd = sever_run_cmd
+        doc = open('severbwlog.txt', 'a+')
+        doc.seek(0)
+        doc.truncate()
+        doc.write(status)
+        doc.close()
+        netctr = get_ssh("netctr")
+        '''
+        At present, the method of uploading files through SCP is not adopted.
+        print("start scp")
+        scp_client = SCPClient(netctr.get_transport(), socket_timeout=30.0)
+        scp_client.put("severbwlog.txt", "%s/." % (recv_wd))
+        scp_client.close()
+        '''
+
+
+    except Exception as e:
+        print(get_datetime(), "run_measure", e)
+
+    finally:
+        print("measure finish")
+
+if __name__ == "__main__":
+    BWmeasure(1)
diff --git a/bwmur/tests/machines.json b/bwmur/tests/machines.json
new file mode 100644
index 0000000..bdd1b7f
--- /dev/null
+++ b/bwmur/tests/machines.json
@@ -0,0 +1,14 @@
+{
+
+   "recv_1" : {
+        "host" : "127.0.0.1",
+        "bw_port" : "8000",
+    },
+   "netctr" : {
+        "host" : "127.0.0.1",
+        "ssh_port" :  "22",
+        "user" : "",
+        "pwd" : ""
+    }
+
+}
diff --git a/bwmur/tests/test_bwmeasure.py b/bwmur/tests/test_bwmeasure.py
new file mode 100644
index 0000000..ab01221
--- /dev/null
+++ b/bwmur/tests/test_bwmeasure.py
@@ -0,0 +1,33 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+import os, json, pytest, subprocess, time
+from tempfile import NamedTemporaryFile
+
+
+cur_dir = os.path.dirname(os.path.abspath(__file__))
+
+
+def check_bws():
+    file_path = cur_dir + "/../bwmursever.py"
+    cmds = ["python3",file_path]
+    cmds = (" ".join(cmds))
+    subprocess.Popen(cmds,shell = True)
+    #os.system(cmds)
+    
+    
+def check_bwc():
+    file_path = cur_dir + "/../bwmurclient.py"
+    cmdc = ["python3",file_path]
+    cmdc = (" ".join(cmdc))
+    #cmd_result = subprocess.Popen(cmdc,shell = True).stdout.read()
+    cmd_result = os.popen(cmdc).read()
+    print(cmd_result)
+    assert "scp" in cmd_result
+
+
+
+def test_bw():
+    check_bws()
+    print("OK")
+    check_bwc()
diff --git a/dockers/Dockerfile b/dockers/Dockerfile
new file mode 100644
index 0000000..51c2346
--- /dev/null
+++ b/dockers/Dockerfile
@@ -0,0 +1,15 @@
+FROM ubuntu:20.04
+
+# Add ONL user
+ARG USER=onl
+
+WORKDIR /home/${USER}
+
+ARG DEBIAN_FRONTEND=noninteractive
+# Install dependency
+RUN apt-get update && apt-get install -y \
+    python3-pip wget unzip gocr imagemagick iperf3
+
+RUN pip3 install pytest numpy requests soundfile paramiko scp
+
+COPY bwmur bwmur
diff --git a/machines.json b/machines.json
new file mode 100644
index 0000000..b72e6fb
--- /dev/null
+++ b/machines.json
@@ -0,0 +1,16 @@
+{
+
+   "recv_1" : {
+        "host" : "127.0.0.1",
+        "bw_port" : "8000",
+        "user" : "Your user name",
+        "pwd" : "Your password"
+    },
+   "netctr" : {
+        "host" : "127.0.0.1",
+        "ssh_port" :  "22",
+        "user" : "root",
+        "pwd" : ""
+    }
+
+}