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Distributed SDN solution for OpenStack Neutron

Project Description

Distributed SDN-based Neutron Implementation


Dragonflow implements Neutron using a lightweight embedded SDN Controller.

Our project mission is to Implement advanced networking services in a manner that is efficient, elegant and resource-nimble

Distributed Dragonflow

Comprehensive agentless implementation of the Neutron APIs and advanced network services, such as fully distributed Switching, Routing, DHCP and more.

This configuration is the current focus of Dragonflow. Overview and details are available in the Distributed Dragonflow Section

Mitaka Version Features

  • L2 core API

    IPv4, IPv6 GRE/VxLAN/STT/Geneve tunneling protocols L2 Population

  • Distributed L3 Virtual Router

  • Distributed DHCP

  • Distributed DNAT

  • Security Groups Using OVS and Connection tracking

  • Pluggable Distributed Database

    Supported databases:


    ETCD, RAMCloud, Redis, Zookeeper

    In progress:


  • Pluggable Publish-Subscribe

    ZeroMQ, Redis

  • Selective DB Distribution

    Tenant Based Selective data distribution to the compute nodes

Experimental Mitaka Features

  • Local Controller Reliability

In progress

  • IGMP Distributed application
  • Allowed Address Pairs
  • Port Security
  • DHCP DOS protection
  • Distributed Meta Data Service
  • Kuryr integration
  • Local Controller HA
  • ML2 Driver, hierarchical Port Binding
  • VLAN L2 Networking support
  • Smart broadcast/multicast

In planning

  • Distributed Load Balancing (East/West)
  • DNS service
  • Port Fault detection
  • Dynamic service chaining (service Injection)
  • SFC support
  • Distributed FWaaS
  • Distributed SNAT
  • VPNaaS


To generate the sample dragonflow configuration files, run the following command from the top level of the dragonflow directory:

tox -e genconfig

If a ‘tox’ environment is unavailable, then you can run the following script instead to generate the configuration files:


Release History

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