.. This work is licensed under a Creative Commons Attribution 4.0 International License. .. http://creativecommons.org/licenses/by/4.0 .. _uc-brahmaputra: ANNEX A: Use case for OPNFV Brahmaputra ======================================= A basic resource reservation use case to be realized for OPNFV B-release may look as follows: * Step 0: Shim-layer is monitoring/querying available capacity at NFVI * Step 0a: Cloud operator creates a new OpenStack tenant user and updates quota values for this user * Step 0b: The tenant user is creating and instantiating a simple VNF (e.g. 1 network, 2 VMs) * Step 0c: OpenStack is notifying shim-layer about capacity change for this new tenant user * Step 0d: Cloud operator can visualize the changes using the GUI * Step 1: Consumer(NFVO) is sending a reservation request for future use to shim-layer * Step 2: Shim-layer is checking for available capacity at the given time window * Step 3: Shim-layer is responding with reservation identifier * Step 4 (optional): Consumer(NFVO) is sending an update reservation request to shim-layer (startTime set to now) -> continue with Steps 2 and 3. * Step 5: Consumer(VNFM) is requesting the allocation of virtualised resources using the reservation identifier in Step 3 .. Revision: d6e752f195525b396dad47ab339102120cd550e1 Build date: 2016-09-13