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OpenFlow in SDN - Coggle Diagram

- - - - Actions
        
        Prescribed what the switch should do with a packet matching this entry.
        
        Common actions are “forward”, “drop”,
        “modify field”, etc.
      - Counters
        
        Used to track statistics relative to this flow such as how many packets have been forwarded or dropped for this flow
      - Header Fields
        
        Used as match criteria to determine whether an incoming packet matches this entry.
        
        e.g., Ethernet, IPv4, IPv6 or MPLS
    - - that connect s it to the controller
    - - Defines the communication between an OpenFlow controller and an OpenFlow switch.
        Most commonly used protocol for the southbound interface of SDN
        The advantages of a flexibly configurable forwarding plane
- - - - DEC 2011
        
        First ONF release - fix1.1, More flexibility, Flexible match, Flexible rewrite, IPv6, Role change
    - - FEB 2011
        
        Multi-table, Group table, Full VLAN and MPLS Support
    - - DEC 2009
        
        Single table, Fixed 12 tuple match
    - - APR 2012
        
        Long term release: 1.3.1, 1.3.2, 1.3.3 , Flexible capabilities, Meters, PBB, Event filters
    - - AUG 2013
        
        Synchronized Table, Bundles, Optical ports, Flow monitoring, Eviction, Default Port to 6653
    - - JAN 2015
        
        Egress Table, Packet Type Aware Pipeline
    - - :question:
        
        No more fixed fields?, Programmable switches?
  - - - Load balancing, Failover, Link, Aggregation
        
        Multiple table, Group Table, Full VLAN and MPLS Support
    - - Controller Failover, Controller Load Balancing
        
        OXM Match, Multiple Controller
    - - :green_cross:
        
        Meter table, Table miss entry
    - - MacLearning / Forwarding, Multiple switch configuration
        
        Synchronized Table, Bundle
    - - :green_cross:
        
        Egress Table, Scheduled bundle
- - - - push involves adding a new header element to the existing packet header