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diff --git a/docs/Chapter7.rst b/docs/Chapter7.rst index 89e6736..197771d 100644 --- a/docs/Chapter7.rst +++ b/docs/Chapter7.rst @@ -464,6 +464,39 @@ failed). * R-65641 The xNF **MUST** support ONAP Controller’s **UpgradeBackOut** command. +Virtual Function - Container Recovery Requirements +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +As part of life cycle management, for Cloud environment, VNFs need to +support a set of basic recovery capabilities to maintain the health +and extend the life of the VNF, eliminating and reducing the frequency +that an entire VNF needs to be rebuilt or re-instantiated to recover one +or more of its containers. For instance, a VNF in an Openstack environment +is composed of one or more containers called VMs (Virtual Machines). During +the life of a VNF it is expected that Cloud infrastructure hardware will +fail or they would need to be taken down for maintenance or hardware and +software upgrades (e.g. firmware upgrades, HostOS (Hypervisor), power +maintenance, power outages, etc.) To deal with such life cycle events +without having to rebuild entire VNFs or even entire sites these basic +recovery capabilities of individual containers, Virtual Machines or other, +must be supported. + +* R-11790 The VNF **MUST** support ONAP Controller’s + **Restart (stop/start or reboot)** command. +* R-56218 The VNF **MUST** support ONAP Controller’s Migrate command that + moves container (VM) from a live Physical Server / Compute Node to + another live Physical Server / Compute Node. + +NOTE: Container migrations MUST be transparent to the VNF and no more +intrusive than a stop, followed by some down time for the migration to +be performed from one Compute Node / Physical Server to another, followed +by a start of the same VM with same configuration on the new Compute +Node / Physical Server. + +* R-38001 The VNF MUST support ONAP Controller’s **Rebuild** command. +* R-76901 VNF MUST support a container rebuild mechanism based on existing + image (e.g. Glance image in Openstack environment) or a snapshot. + HealthCheck and Failure Related Commands ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -1853,3 +1886,4 @@ Security .. |image3| image:: Protocol_Buffers_Driven_Model.png :width: 4.74in :height: 3.3in + |