Introduction to SDN and OpenFlow

What is SDN, OpenFlow and NFV? Is this actually real? Do you want to see real world, practical examples of SDN?

Created byDavid Bombal, Experts with David Bombal

Last updated 11/2017

English

What you'll learn

Differentiate between different visions of SDN
Determine if SDN is "real" today
Explain Open SDN, SDN via APIs, NFV and other related concepts
Explain how flow tables are updated

Course content

7 sections • 51 lectures • 3h 29m total length

Welcome2:14
Welcome to the course.

In this video, David briefly explains the Introduction to Software Defined Network (SDN) and OpenFlow course.
Part 1: What is SDN? OpenFlow? Automation?5:53
Part 2: What is the NBI? SBI? Abstraction?10:03

Important: Please read0:18
Docker, Open vSwitch, SDN and OpenFlow Part 1: GNS3 Switching Part 77:33
Docker, Open vSwitch, SDN and OpenFlow Part 2: GNS3 Switching Part 810:21
Docker, Open vSwitch, SDN and OpenFlow Part 3: GNS3 Switching Part 915:31
Docker, Open vSwitch, SDN and OpenFlow Part 4: GNS3 Switching Part 1011:28
Configure an OpenFlow patch panel in a Gns3 topology using the OpenDaylight controller and Open vSwitch, writing flows that forward traffic between ports and restrict routing between routers.
Docker, Open vSwitch, SDN and OpenFlow Part 5: GNS3 Switching Part 117:58
Docker, Open vSwitch, SDN and OpenFlow Part 6: GNS3 Switching Part 147:04
Docker, Open vSwitch, SDN and OpenFlow Part 7: GNS3 Switching Part 153:41
Demonstrates configuring Open vSwitch in GNS3 with OpenFlow to enforce network policies: create high-priority ICMP drop and TCP flow entries, enabling Telnet while blocking ping.
SDN Part 1: Ubuntu Docker Container, OpenDaylight, Python,3:32
SDN Part 2 Ubuntu Docker Container, OpenDaylight, Python,5:49
Spin up an Ubuntu container in GNS3, configure DHCP, and connect to the Internet. Install Python and other apps, then prepare to install OpenDaylight and OpenFlow in future videos.
SDN Part 3 Ubuntu Docker Container, OpenDaylight, Python,6:57
Install OpenDaylight on a Docker container, integrate OpenFlow switches in Docker, and configure networking with an Ubuntu host, Open vSwitch, dhcp, spanning tree, using a Firefox gui for the controller.
SDN Part 4 OpenDaylight installation: Ubuntu Docker Container, OpenDaylight, Pyt6:59
GNS3 Talks: Create a Docker based network using OVS and Linux Containers6:40
GNS3 Talks: OpenFlow captures using Wireshark, Docker containers, OpenDaylight,9:18
Virtualize an open flow network in Gns3 using Docker and analyze traffic with Wireshark. Observe OpenDaylight controller negotiations, hello messages, features requests, and OpenFlow 1.3 pipeline.
GNS3 Talks: OpenFlow FLOW MOD, PACKET IN, PACKET OUT and more captures using Wir9:16
Explore OpenFlow in a virtual network with GNS3 and Wireshark to observe barrier, role, and flow messages. Also review port descriptions, flow table entries, and LLDP-based topology learning.

What do the inventors say it is?0:47
What do the inventors say it is? (00:47)

This video discusses Martin Casado's definition of SDN. Do the inventors of SDN actually know what SDN is?
Open SDN, SDN via overlays, White box SDN3:09
Open SDN, SDN via overlays, White box SDN (03:10)

This video discusses visions of SDN into different compartments and implementations of SDN controllers:

- Open SDN using OpenFlow

- SDN via Overlays (NSX, Nuage Networks)

- White box SDN (Pica8, Cumulus Linux)

- Open Compute Project (Facebook)
SDN via APIs, Cisco ACI (ASICs), OpenStack, NFV4:32
SDN via APIs, Cisco ACI (ASICs), OpenStack, NFV (04:32)

This video discusses SDN via APIs, SDN via ASICs and NFV:

- What is SDN via APIs? (SNMP, NETCONF, OVSDB)

- What is OpFlex / ACI?

- What is OpenStack?

- What is NFV?

Real World SDN -Google3:27
Real World SDN -Google (03:27)

This video discusses Google's implementation of OpenFlow & SDN.
Real Word- Microsoft0:22
Real Word- Microsoft (00:22)

This video discusses a Microsoft implementation of SDN.
Real World SDN - NSA2:07
Real World SDN - NSA (02:07)

This video discusses how the NSA implements OpenFlow and SDN.
Real World SDN - Facebook0:53
Real World SDN (00:53)

This video discusses Facebook's two Open Source hardware switches.
Linux on switches0:35
Linux on switches (00:35)

Why use proprietary switch operating systems? Why not run Linux on a switch? Well, you can.
Which SDN Controller should you use?0:48
Which SDN Controller should you use? The SDXCentral report gives you some ideas.

Control and Dataplane overview2:02
What is a control and dataplane?
Control and Dataplanes continued1:41
RIBs and FIBs and separated control planes.
David's Dodgy Routing Protocol1:56
I have developed a new routing protocol... David's Dodgy Routing Protocol (DDRP). Will you use it?
Server Virtualization2:28
Servers have been virtualised. Why haven't switches and routers?
Network Abstraction and virtualization2:59
SDN Architecture3:27
What are the three parts to the SDN architecture?

- Application layer

- Control layer

- Infrastructure layer
SDN Architecture (continued)2:18
North, South, East, West0:46
What is the Northbound API, Southbound API and East & West?

Basic TE using a bash script Part 10:52
How to create your own traffic engineering application using SDN and OpenFlow.
Basic TE using a bash script Part 22:12
Use a bash script to call the controller's RESTful northbound API. Update OpenFlow flow entries on switches via the OpenFlow southbound API using the HP Open SDN controller.
Basic TE using a bash script Part 33:40
Basic TE using a bash script Part 42:39
Basic TE using a bash script Part 53:50
Authenticate to the controller to obtain a token, then use curl with the REST API to post a file and update datapaths and flows via three API calls.
Basic TE using a bash script Part 64:32
Authenticate and update OpenFlow switch flow entries with a bash script, prioritizing http traffic on port 80 to route via specific ports (1, 6) and enforce 60-second idle timeouts.
Basic TE using a bash script Part 73:54
Authenticate to the controller and update flow entries on multiple switches via curl rest API, then edit the bash script to redirect traffic by changing switch port values.
Basic TE using a bash script Part 81:25

Requirements

This is an introduction - no preexisting knowledge is required

Description

This is an introductory SDN and OpenFlow course explaining different visions of what SDN actually is. The course also shows you real world implementations of SDN in very large networks as well as highly secure networks.

You will also learn about how OpenFlow separates the control and data planes of networking devices.

You will then see a practical demonstration of an application communicating with an SDN controller and Open vSwitch devices.

See the full SDN architecture as part of the demonstrations:

- SDN Applications

- SDN Controller

- OpenFlow switches

See how hosts can be blocked using OpenFlow rules.

Who this course is for:

Network Engineers wanting to learn about the brave new world of SDN and OpenFlow

Introduction to SDN and OpenFlow

What you'll learn

Explore related topics

Course content

Welcome3 lectures • 18min

Practical Example of SDN15 lectures • 1hr 52min

Introductory Course: What is SDN?3 lectures • 8min

Is this actually real?6 lectures • 8min

Open SDN and OpenFlow8 lectures • 18min

Demo-Applications & Controller & Infrastructure8 lectures • 21min

Basic Traffic Engineering using a script- if you are interested8 lectures • 23min

Requirements

Description

Who this course is for: