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In this tutorial, you’ll complete a set of exercises designed to explain the main concepts of the Packet-Optical use case of ONOS. We hope that with this tutorial, you’ll be able to create, configure, and start multi-layer networks on your environment, which can potentially represent a wide area network environment for your application performance studies.

To get you started quickly, the tutorial VM is preconfigured with the needed software environments including ONOS, LINC-OE, Mininet, Jave-8, Erlang, linc-oe config generator, etc.

If you've already gone through the ONOS tutorial, you'll already have the ONOS tutorial VM available. If not, check out the Introduction section of the ONOS tutorial to get the VM set up. However, don't log in as tutorial1 - we have a different username for this tutorial.

Email us (onos-discuss@onosproject.org) if you’re stuck, think you’ve found a bug, or just want to send some feedbackYou should be able to just run this VM in VirtualBox using the instructions in the next section.

Table of Contents
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Service Provider Networks are complex and multi-layer in nature. Without converged packet Optical optical SDN capability, provisioning and adding bandwidth requires order of days, if not months. Since packet and optical networks are managed independently, each one of them has to be over provisioned to deal with traffic anomalies and failures. This leads to lack of service agility and is a significant source of CAPEX and OPEX overhead for the network operator.

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With Converged Control Plane, we hope to reduce cycle time to add capacity perhaps in minutes instead of days to a month. ONOS has the ability to add capacity based on traffic demand in real- or near real-time. In addition, when failure happens, instead of using the packet layer resources for recovery, ONOS can reconfigure the optical transport layer for best alternative re-route. With this approach, we are reducing the over-provisioning of resources, since transport layer is cheapest infrastructure to move bits. Finally, with enhanced converged control plane, we could potentially enable new services. Examples include network graph observability and real-time injection of network policies.

Prerequisite

You will need a computer with at least 8GB of RAM such that you can dedicate 4 Gig to your packet-optical VM and at least 5GB of free hard disk space. A faster processor or solid-state drive will speed up the virtual machine boot time, and a larger screen will help to manage multiple terminal windows.

The computer can run Windows, Mac OS X, or Linux – all work fine with VirtualBox, the only software requirement.

To install VirtualBox, you will need administrative access to the machine.

The tutorial instructions requires some prior knowledge of SDN in general, and OpenFlow and Mininet in particular. So please first complete the OpenFlow tutorial and the Mininet walkthrough. 

Before you try Packet-Optical use case, we highly recommend to complete ONOS tutorial too.

Oops? Found a bug? Questions?

Email us (onos-discuss@onosproject.org) if you’re stuck, think you’ve found a bug, or just want to send some feedback.

Please have a look at the guidelines to learn how to efficiently submit a bug report. Finally, with enhanced converged control plane, we could potentially enable new services. Examples include network graph observability and real-time injection of network policies.

Starting the tutorial

When you start the VM, you'll be presented with a login screen. (If you're already logged in to another tutorial, please log out by clicking the bottom-left icon, clicking "Logout", then click "Logout" again).

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You'll be deposited on a desktop with a bunch of icons that will be used for the tutorial. Before we get started, double-click on the "Reset" icon. This will pop up a terminal and reset ONOS to make sure there is no state left over from any other tutorials.

Important Command

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Prompts

Symbol "$" means linux terminal.

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"(linc@mininet-vm)1>" means LincLINC-OE CLI command prompt.

Packet-Optical Topology

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 (via Python-Script)

Go to mininet/examples:

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The recommended way to setup your packet-optical  optical environment is to run mininet sricpt first and then ONOS.

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