sdn 테스트베드 구축(onos & openvirtex)
TRANSCRIPT
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SDN 테스트베드 구축라즈베리파이를 이용하여 이더넷 스위치를 제작,
ON.Lab의 ONOS/OVX SDN 컨트롤러로 제어
Programmable Network 구축
한국정보과학회 단기강좌
경희대학교 이성원 교수
Email : [email protected]
Web : http://mobilelab.khu.ac.kr
경희대학교 컴퓨터공학과 모바일컨버전스Lab 한상윤
Email : [email protected]
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Mobile Convergence Laboratory 2
목차A Table of Contents
ONOS
ONOS(Open Network Operating System) 소개, 아키텍처 분석, 설치 및 데모Keyword : Distributed core, Hazelcast, Intent Framework, maven, karaf
OpenVirteX
OVX 소개, Network Hypervisor와 가상화 플랫폼의 기능, 설치 및 데모Keyword : Hypervisor, 네트워크 가상화 플랫폼, Resilient, elastic
Pi Stack Switch
Raspberry Pi와 Open vSwitch를 이용한 SDN 테스트베드 구축Keyword : Raspberry Pi, Open vSwitch, OpenFlow 스위치
Q&A
질의응답
Pi Stack Switch
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ONOSSDN Network Operating System & SDN Control Platform
Mobile Convergence Laboratory 3
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Mobile Convergence Laboratory 4
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• Service Provider를 위한 캐리어급 SDN 네트워크 운영체제
• 이 주도한 프로젝트
Mobile Convergence Laboratory 5
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• Service Provider를 위한 캐리어급 SDN 네트워크 운영체제
• 이 주도한 프로젝트
Mobile Convergence Laboratory 6
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Mobile Convergence Laboratory 7
Non-profitTools/Platforms for SDN community
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Mobile Convergence Laboratory 8
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Mobile Convergence Laboratory 9
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Mobile Convergence Laboratory 10
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Mobile Convergence Laboratory 11
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Mobile Convergence Laboratory 12
Supporting members
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Mobile Convergence Laboratory 13
Projects
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• Service Provider를 위한 캐리어급 SDN 네트워크 운영체제
• 이 주도한 프로젝트
Mobile Convergence Laboratory 14
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15Mobile Convergence Laboratory
ONOS의 목표는뭘까?
기존의 수많은SDN controller
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Mobile Convergence Laboratory 16
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Mobile Convergence Laboratory 17
commercialproducts
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Mobile Convergence Laboratory 18
commercialproducts
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Mobile Convergence Laboratory 19
commercialproducts
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Mobile Convergence Laboratory 20
High Availability
• Multiple Instance Clustering
• Fault tolerance using Distributed Core
• Five Nines 수준의 가용성
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Mobile Convergence Laboratory 21
High Availability High Performance
• High Throughput• ~500K-1M path setups/second
• High Volume• ~500GB-1TB state data
• Low Latency• 10~100ms
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Mobile Convergence Laboratory 22
High Availability High Performance Scalability
• OSGi 기반의 오픈소스 Karaf 쉽고 빠른 배포
• 분산 클러스터링 지원 Sync, Share
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Mobile Convergence Laboratory 23
High Availability High Performance Scalability White Box (Open)
Reference : ONOS wiki
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Mobile Convergence Laboratory 24
High Availability High Performance Scalability White Box (Open)
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Mobile Convergence Laboratory 25
ONOS Framework(ONOSFW)
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Mobile Convergence Laboratory 26
ONOS as an SDN controller within the
VIM
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Mobile Convergence Laboratory 27
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ONOS Architecture
Mobile Convergence Laboratory 28
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Mobile Convergence Laboratory 29
구체적인 서비스를위한 Application 계층
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Mobile Convergence Laboratory 30
Application 계층에네트워크 정보 전달,하위 컴포넌트 제어를위한 인터페이스 제공
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Mobile Convergence Laboratory 31
ONOS의 핵심적인 역할을 하며, HA와 Scalability를 위한분산 클러스터링 기능
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Mobile Convergence Laboratory 32
네트워크 인프라 제어를위한 인터페이스 제공Network Element 추상화
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Mobile Convergence Laboratory 33
Network Element 설정을 위한 프로토콜OpenFlow : SDNNetConf : Legacy
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Mobile Convergence Laboratory 34
Distributed Core
Instance 1
Scale-out by Distributed Core (1)
Network GraphGlobal network view
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Mobile Convergence Laboratory 35
Distributed Core
Instance 1 Instance 2 Instance 3
Scale-out by Distributed Core (2)
Network GraphGlobal network view
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Mobile Convergence Laboratory 36
Distributed Core
Instance 1 Instance 2 Instance 3
Network GraphGlobal network view
HA by Distributed Core (1)
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Mobile Convergence Laboratory 37
Distributed Core
Instance 1 Instance 2 Instance 3
Network GraphGlobal network view
HA by Distributed Core (2)
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Mobile Convergence Laboratory 38
Distributed Core
Instance 1 Instance 2 Instance 3
Network GraphGlobal network view
HA by Distributed Core (3)
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Mobile Convergence Laboratory 39
Clustering Synchronize Data Sharing
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ONOS - Install1. Getting ONOS
2. Installing ONOS
3. Start ONOS
Mobile Convergence Laboratory 40
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Prerequisites
• Ubuntu 14.04 LTS 64bits
• 2GB or more RAM
• 2 or more processors
• 8GB or more storage
• Java 8 JDK
• Apache Maven(3.0 and later)
• Apache Karaf(3.0.2 and later)
• Git
Mobile Convergence Laboratory 41
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1. Install Java 8
$ sudo apt-get install software-properties-common -y
$ sudo add-apt-repository ppa:webupd8team/java -y
$ sudo apt-get update
$ sudo apt-get install oracle-java8-installer oracle-java8-set-default
Mobile Convergence Laboratory 42
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1.1. Configure Java Path
• on Ubuntu
$ env | grep JAVA_HOME
JAVA_HOME=/usr/lib/jvm/java-8-oracle
$ export JAVA_HOME=/usr/lib/jvm/java-8-oracle
Mobile Convergence Laboratory 43
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2. Install Git
$ sudo apt-get install git-core
$ git --version
Mobile Convergence Laboratory 44
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3. Set Maven
$ cd; mkdir Downloads Applications
$ cd Downloads
$ wget http://archive.apache.org/dist/maven/maven-3/3.3.1/binaries/apache-maven-3.3.1-bin.tar.gz
$ tar -zxvf apache-maven-3.3.1-bin.tar.gz -C ../Applications/
Mobile Convergence Laboratory 45
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4. Set Karaf
$ cd Downloads
$ wget http://download.nextag.com/apache/karaf/3.0.3/apache-karaf-3.0.3.tar.gz
$ tar -zxvf apache-karaf-3.0.3.tar.gz -C ../Applications/
Mobile Convergence Laboratory 46
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5. Clone ONOS
$ git clone https://gerrit.onosproject.org/onos/
$ cd onos
if> getting specific ONOS version
$ git checkout <ver>
Mobile Convergence Laboratory 47
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5.1. Configure ONOS Path
$ export ONOS_ROOT=~/onos
$ source $ONOS_ROOT/tools/dev/bash_profile
Mobile Convergence Laboratory 48
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6. Build ONOS
$ cd ~/onos
$ mvn clean install
Mobile Convergence Laboratory 49
빌드 성공
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7. Start ONOS CLI
$ karaf clean
Mobile Convergence Laboratory 50
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8. Start ONOS GUI
• start ONOS (ONOS CLI)
• In web browser
• http://localhost:8181/onos/ui/index.html
Mobile Convergence Laboratory 51
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Mobile Convergence Laboratory 52
<Network Graph>토폴로지 GUI와 Host 정보
<Node Info>해당 노드(스위치)의 정보Protocol / Ports / Flow버전 및 지리적 정보
<ONOS Summary>Network Element의 수
링크의 수호스트의 수Flow의 수…
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Mobile Convergence Laboratory 53
<ONOS Instance>
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OpenVirteXNetwork Virtualization Platform & Network Hypervisor
Mobile Convergence Laboratory 54
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OpenVirteX (OVX)
• Network Virtualization Platform
• Network Hypervisor
Mobile Convergence Laboratory 55
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Mobile Convergence Laboratory 56
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주요 기능
• Topology Virtualization
• Address Space Virtualization
• Control Function Virtualization
Mobile Convergence Laboratory 57
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주요 기능 - Topology Virtualization
• 가상화를 통해 물리적 네트워크를 분리
• 물리 계층을 추상화
• 다수의 스위치를 묶어서 하나의 스위치로 가상화(Big Switch)
Mobile Convergence Laboratory 58
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주요 기능 - Address Space Virtualization
Mobile Convergence Laboratory 59
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주요 기능 - Control Function Virtualization
Mobile Convergence Laboratory 60
SDN Controller(NOS)
Big Switch
Controll Plane(by OpenFlow Channel)
OVX
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OpenVirteX - Install
Mobile Convergence Laboratory 61
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Prerequisites
Recommended
• 4 Cores
• 4GB Java heap size
Minimum
• 2 Cores
• 1GB Java heap size
Mobile Convergence Laboratory 62
• Git
• Oracle Java7 (Not OpenJDK, Not Java8)
• Maven
• Python 2.7.x
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1. Install Git & Maven
$ apt-get install git-core
$ apt-get install maven
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2. Install Java7
$ sudo apt-get install software-properties-common -y
$ sudo add-apt-repository ppa:webupd8team/java -y
$ sudo apt-get update
$ sudo apt-get install oracle-java7-installer
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3. Clone OpenVirteX
$ git clone https://github.com/OPENNETWORKINGLAB/OpenVirteX.git -b 0.0-MAINT
$ cd ~/OpenVirteX/scripts.
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4. Start OVX
$ sh ovx.sh
ex> 가상 네트워크 생성 및 Big Switch 생성
$ python ovxctl.py -n createNetwork tcp:localhost:30000 10.0.0.0 16
$ python ovxctl.py -n createSwitch DPID_1,DPID_2,DPID_3,DPID_4
<Tutorial & API Doc>
http://ovx.onlab.us/getting-started/tutorial/
http://ovx.onlab.us/documentation/api/
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Pi Stack SwitchRaspberry Pi를 이용한 SDN 테스트베드 개발
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Raspberry Pi
• 영국의 라즈베리파이 재단이 만든 교육용 싱글 보드 컴퓨터
• Single Board Computer
• 대략 US$ 35
• Pi A/B, Pi B+, Pi2 출시
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Raspberry Pi2의 스펙
• Single Board Computer(Micro Computer)
• CPU : 900MHz ARM Cortex-A7 쿼드코어
• RAM : 1GB
• USB 2.0 * 4 + HDMI * 1 + Micro USB전원
• 10/100 Mbit/s Ethernet
Mobile Convergence Laboratory 69출처 : Wikipedia(wikipedia.org/wiki/Raspberry_Pi)
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Pi Stack Switch HW구성
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Pi Stack Switch HW구성
메인 스위치 x 1개 x 1포트+
서브 스위치 x 3개 x 3포트= 10포트 스위치
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Pi Stack Switch 완성
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Mobile Convergence Laboratory 73
USB허브를 이용한 17포트 스위치
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Raspbian OS
Software
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Software
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Mobile Convergence Laboratory 76
SystemArchitecture
USB to E
thern
et
Bridge
eth1 eth2 eth3
eth0
Ethernet Port
USB to E
thern
et
USB to E
thern
et
FlowTable
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Pi Stack Switch - Install
• OpenvSwitch 설치
$ sudo apt-get install openvswitch-switch openvswitch-controller openvswitch-common
$ sudo ovs-vsctl add-br <BridgeName>
$ sudo ovs-vsctl add-port <BridgeName> eth_n
$ sudo ovs-vsctl set-controller <BridgeName> tcp:Ctrl_IP:6633
https://github.com/MobileConvergenceLab/pi-switch
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Pi Stack Switch와 ONOS 연결
Mobile Convergence Laboratory 78
메인 스위치
서브 스위치1
서브 스위치2
서브 스위치3
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SDN Network 구축SDN 테스트베드와 하이퍼바이저 그리고 SDN 컨트롤러
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Pi Stack Switch
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NetworkArchitecture
NetworkOperatingSystem
Virtual Network
Physical Layer
OpenFlow Interface
Pi Stack Switch
OpenFlow Interface
Big Switch
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Network Element Mapping
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Big Switch
Network Element Mapping
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Reference
• ONOS• http://onosproject.org/• https://wiki.onosproject.org/ 공식 Wiki• https://wiki.onosproject.org/display/ONOS/ONOS+from+Scratch• https://wiki.onosproject.org/display/ONOS/Installing+and+Running+ONOS• https://www.youtube.com/watch?v=dWhtswhSpWE• Pankaj Berde and others, “ONOS: Towards an Open, Distributed SDN OS”, HostSDN 2014
• OpenVirteX• http://ovx.onlab.us/• Ali Al-Shabibi and others, “OpenVirteX: Make Your Virtual SDNs Programmable”, HotSDN 2014
• OpenvSwitch• http://www.openvswitch.org/
• Raspberry Pi• https://www.raspberrypi.org/• http://en.wikipedia.org/wiki/Raspberry_Pi
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Q&A
Mobile Convergence Laboratory 85