Iot Data Access Control with Blockchain and SDN

Requirements

The system runs a blockchain network in Hyperledger Fabric plataform and uses Mininet and Ryu controller to simulate a SDN environment. Install the following requirements prior running the system:

• Hyperledger Fabric 2.0
• Mininet
• Ryu Controller
• Python 2.7

Running the System

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The system is able to execute in multiple hosts or in a single machine.

Terminal 1

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Change directory to start the network. Starting from the blockchain-marketplace diretory, execute:

cd hyperledger-fabric/fabric-samples/access-control-network

And:

./byfn.sh up

Terminal 2

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Starting from the blockchain-marketplace directory, start a mininet topology with a remote controller:

sudo mn --topo single,3 --mac --controller remote --switch ovsk

Terminal 3

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Starting from the blockchain-marketplace directory, start the SDN controller, by running:

pip install -r requirements.txt
cd controller
ryu-manager --verbose ac-controller.py

If Hyperledger Fabric is running in a different machine, change the following lines in blockchainRemoteInteractionModule.py to the IP address and port of the computer running Hyperledger:

IP = "146.164.69.163"
PORT = "2346"

In the machine running Hyperledger Fabric, run:

python server.py

In the machine running the SDN controller, run:

ryu-manager --verbose ac-remote-controller.py