.. This work is licensed under a Creative Commons Attribution 4.0 International License. .. http://creativecommons.org/licenses/by/4.0 Use Cases --------- This section outlines the Danube use cases driving the initial OPNFV SFC implementation. Use Case 1 - Two chains *********************** This use case is targeted on creating simple Service Chains using Firewall Service Functions. As can be seen in the following diagram, 2 service chains are created, each through a different Service Function Firewall. Service Chain 1 will block HTTP, while Service Chain 2 will block SSH. .. image:: ./images/OPNFV_SFC_Brahmaputra_UseCase.jpg Use Case 2 - One chain traverses two service functions ****************************************************** This use case creates two service functions, and a chain that makes the traffic flow through both of them. More information is available in the OPNFV-SFC wiki: https://wiki.opnfv.org/display/sfc/Functest+SFC-ODL+-+Test+2