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BP plan is to leverage EdgeGallery (http://www.edgegallery.org/) as its upstream project to provide Edge Computing platform, Application Management and platform for application developers. It is also planned to leverage EdgeConnector & EdgeGateway of another BP in same BP family (https://wikilf-akraino.akrainoatlassian.orgnet/wiki/pages/viewpage.action?pageId=1199569913665318&src=contextnavpagetreemode) to enable features like dynamic & flexible traffic offloading. BP also have plans to add platform capabilities, sample enterprise applications and some features specifically needed for Enterprise use case through new development/integration of other open sources.

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By leveraging upstream projects like EdgeGallery and In collaboration with other BP in same family "5G MEC/Slice System to Support Cloud Gaming, HD Video and Live Broadcasting" (5G MEC/Slice System to Support Cloud Gaming, HD Video and Live Broadcasting Blueprint - Tentative roadmap of integration other BP is Q2 2022), this BP intends to deliver targeted architecture.. 

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EALTEdge BP will leverage other BP in same BP family "5G MEC/Slice System to Support Cloud Gaming, HD Video and Live Broadcasting Blueprint" for dynamic Traffic routing & steering. Kindly refer that BP for any related SDO references/compliance.

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For Application Enablement API compliance details kindly check http://docs.edgegallery.org/zh_CN/release-v1.1/Projects/MEP/MEP_Interfaces.html#mep-server

Platform Architecture

The below diagram gives a overall architecture of the Enterprise Application on Lightweight 5G Telco Edge blueprint as given in Release 5. 

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• Tools: Developer tools are used in Plugin Management, Plugin Life Cycle and grading systems making it more convenient for developers to develop applications and integrate them into the edgegallery platform.
• Workspace: Developers manage their own Application development process by creating projects or migrating projects. Developers can manage project, app package and test task management.
• PG DB: PostgreSQL database version 12.2 is being used.
• Portal: Provides user interface for application developer to interact with developer platform.
• Sandbox: Test environment for application developers to test their applications.
• ATP: application test platform for configure and  testing application against set of test cases. 

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• aPaaS:
  
  • Object Detection Service: This service can be used by developer app for various Object detection for example Bottle detection and count for Retail store inventory.
• PaaS:
  • Secret Management: Platform services and developer apps can use this service for sensitive info storing like password, cert etc.
  • Cert Management: Platform services and developer apps can use this service for automate certifications management.
  • Storage: Edge native storage for enterprise sites.
  • Backup / Restore: scheduled backup, disaster recovery for remote sites
  • DB: common DB for applications data 
  • Monitoring: system and apps health monitoring. 
  • CNI: k8s based networking for multi interface support in a POD for SFC scenarios, network policies etc.
• MEP Server:
  • DNS: DNS server and DNS record management service
  • Service Registry: Service registry and discovery, availability notifications
  • AppLCM: applications life cycle management
  • Network Isolation:  Provides separation of control, management and data plan
• API Gateway: Provides secure End points for MEP services as well as producer Applications.
• Edge Portal: Portal for autonomous edges.

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• aPaaS:
  • Object Detection Service: This service can be used by developer app for various Object detection for example Bottle detection and count for Retail store inventory.
• PaaS:
  • Vault: Vault is a tool for securely accessing secrets. A secret is anything that you want to tightly control access to, such as API keys, passwords, certificates, and more. Vault provides a unified interface to any secret while providing tight access control and recording a detailed audit log.
  • Cert Management: cert-manager is a native Kubernetes certificate management controller. It can help with issuing certificates from a variety of sources, such as Let’s Encrypt, HashiCorp Vault, Venafi, a simple signing key pair, or self signed. It will ensure certificates are valid and up to date, and attempt to renew certificates at a configured time before expiry.
  • OpenEBS: OpenEBS is a Kubernetes native hyper converged storage solution. OpenEBS consumes the storage (disks, SSDs, cloud volumes, etc) available on the Kubernetes worker nodes to dynamically provision Kubernetes Persistent Volumes.

    OpenEBS can provision different type of Local PV for Stateful Workloads like Cassandra, MongoDB, Elastic, etc that are distributed in nature and have high availability built into them. Depending on the type of storage attached to your Kubernetes worker nodes, you can select from Dynamic Local PV - Hostpath, Device, ZFS or Rawfile.

  • Velero: Velero is an open source tool to safely backup and restore, perform disaster recovery, and migrate Kubernetes cluster resources and persistent volumes.
  • Influx DB: Time series data base for user applications data.
  • Influx DB: Time series data base for user applications data.
  • Prometheus Agent: cAdvisor, NodeExporter
  • Multus: Support secondary interfaces for PODs in case of SFC scenarios and CNFs
• MEP Server:
  • DNS:  The MEP platform provides the domain name resolution services to the applications deployed in the EdgeGallery MEC, which can be utilised by the device applications in UE. MEC platform receives the DNS configurations from the MEC management, which includes the FQDN (Fully Qualified Domain Name), IP address and related entries. MEC applications can later query or modify the state of these configurations.
  • MEP server: MEP platform services like service registry, discovery, DNS, traffic rules etc.  MEP provides service registration, update, delete, and query related API interfaces. Applications can register, update, delete, and query services through MEP.  The service registry provides visibility of the services available on the MEC server. It uses the concept of loose coupling of services, providing flexibility in application deployment. In addition, the service registry presents service availability (status of the service) together with the related interfaces and versions. It is used by applications to discover and locate the end-points for the services they require, and to publish their own service end-point for other applications to use. The access to the service registry is controlled (authenticated and authorised).
  • Network isolation: Provides separation of control, management and data plane
• AppLCM: LCM controller and K8s/OpenStack plugin.  Handles the application life cycle, where lcmController is mainly communicates with K8s/OpenStack plugin to upload config, remove config, instantiate, terminate,and query an application. It also provides APIs to query mep capabilities and kpi information from prometheus.
• KONG: Provides API gateway functionality along with authentication and authorisation.

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APIs

Please refer the API Documentation link : R5 - API Documentation Enterprise Application on Lightweight 5G Telco Edge (EALTEdge)

Hardware and Software Management

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