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Kubernetes deployment (KUD) is a project that uses Kubespray to bring up a Kubernetes deployment and some addons on a provisioned machine. As it already part of ONAP it can be effectively reused to deploy the K8s App components(as shown in fig. II), NFV Specific components and NFVi SDN controller in the edge cluster. In R2 release KuD will be used to deploy the K8s addon such as  Virlet, OVN, NFD, and Intel device plugins such as SRIOV  in the edge location(as shown in figure I). In R3 release, KuD will be evolved as "ICN Operator" to install all K8s addons. For more information on the architecture of KuD please find the information here. 

EMCO

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One of the Kubernetes clusters with high availability, which is provisioned and configured by KUD will be used to deploy ONAP on K8s. ICN family uses ONAP Operations Manager(OOM) to deploy ONAP installation. OOM Edge Multi-Cluster Orchestration for service orchestration. EMCO provides a set of helm chart to be used to install ONAP run the workloads on a K8s cluster. ICN family will create OOM installation and automate the ONAP installation once a Kubernetes cluster is configured by  KUD

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Multi - cluster. 

EMCO Block and Modules:

ONAP EMCO will be the Service Orchestration Engine in ICN family and is responsible for the VNF life cycle management, tenant management and Tenant resource quota allocation and managing Resource Orchestration engine(ROE) to schedule VNF workloads with Multi-site scheduler awareness and Hardware Platform abstraction(HPA). Required an Akraino dashboard that sits on the top of ONAP EMCO to deploy the VNFs

Kubernetes  Block and Modules:

Kubernetes will be the Resource Orchestration Engine in ICN family to manage Network, Storage and Compute resource for the VNF application. ICN family will be using multiple container runtimes as Virtlet (R2 Release) and docker as a de-facto container runtime. Each release supports different container runtimes that are focused on use cases. 

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ICN uses Metal3 project for provisioning server in the edge locations, ICN project uses IPMI protocol to identify the servers in the edge locations, and use Ironic & Ironic - Inspector to provision the OS in the edge location. For R2 R4 release, ICN project provision Ubuntu 18.04.5 in each server, and uses the distinguished network such provisioning network and bare-metal network for inspection and ipmi provisioning

ICN project injects the user data in each server regarding network configuration, grub update to enable IOMMU, remote command execution using ssh and maintain a common secure mechanism for all provisioning the servers. Each local controller maintains IP address management for that edge location. For more information  refer - Metal3 Baremetal Operator in ICN stack

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Kubernetes deployment (KUD) is a project that uses Kubespray to bring up a Kubernetes deployment and some addons on a provisioned machine. As it already part of ONAP EMCO it can be effectively reused to deploy the K8s App components(as shown in fig. II), NFV Specific components and NFVi SDN controller in the edge cluster. In R2 R4 release KuD will be used to deploy the K8s addon such as  Virlet, OVN, NFD, CMK CPU Manager for Kubernetes and Intel device plugins such as SRIOV and QAT in the edge location(as shown in figure I). In R3 release, KuD will be evolved as "ICN Operator" to install all K8s addons. For more information on the architecture of KuD please find the information here. 

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EMCO:

ONAP EMCO is used as Service orchestration in ICN BP. A lightweight golang version of ONAP EMCO is developed as part of Multicloud-k8s project in ONAP community. ICN BP developed containerized KUD multi-cluster to install the onap4k8s EMCO as a plugin in any cluster provisioned by BPA operator. ONAP4k8s installed EdgeX Foundry Workload, EMCO installed Composite vFW  application to install in any edge location.

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SDEWAN Configure Agent(also named SDEWAN Controller)  module is worked as K8s controller located in each edge location and central hub k8s cluster to support configuration of SDEWAN CNF functionalities (e.g. mwan3, firwall, SNAT, DNAT, IPSec etc.) and monitor SDEWAN CNF status. It exposes CRDs to support configuration via K8s API server for unified authentication and authorization, detail information can be found at: Sdewan CRD ControllerOpenness: Openness is an open source reference toolkit that makes it easy to move applications from the Cloud to the Network and On-Premise Edge. Some components of Openness Network edge have been integrated. EAA (Edge Application Agent) which provides application/service registration and authentication in openness has been integrated via ONAP4K8S. What's more, we work with OpenNESS community to ensure that EAA address distributed applications that not only spread across nodes in one K8s clusters, but also across K8s clusters. For platform related microservices (Multus, SR-IOV CNI, SR-IOV Network Device Plugin, NFD, CMK), test cases of Openness have been integrated. support configuration via K8s API server for unified authentication and authorization, detail information can be found at: Sdewan CRD Controller

Cloud Storage:

Cloud Storage (Cloud Storage Design) act as storage service and plugins, currently can divide into two parts:

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Hardware and Software Management

Software Management

ICN R2 R4 Timelines

Hardware Management

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