Feature,Description
SDN Features,"- ONOS cluster of all-active N instances affording N-way redundancy and scale, where N = 3 or N = 5
- Unified operations interface (GUI/REST/CLI)
- Centralized configuration – all configuration is done on controller instead of each individual switch
- Centralized role-based access control (RBAC)
- Automatic host (end-point) discovery – attached hosts, access-devices, appliances (PNFs), routers, etc.
  based on ARP, DHCP, NDP, etc.
- Automatic switch, link and topology discovery and maintenance (keep-alives, failure recovery)"
L2 Features,"
Various L2 connectivity and tunneling support;
- VLAN-based bridging;
    - Access, Trunk and Native VLAN support;
- VLAN cross connect;
    - Forward traffic based on outer VLAN id;
    - Forward traffic based on outer and inner VLAN id (QinQ);
- Pseudowire;
    - L2 tunneling across the L3 fabric;
    - Support tunneling based on double tagged and single tagged traffic;
        - Support VLAN translation of outer tag"