OpenECOMP consists of a number of software subsystems. These subsystems are part of two major architectural frameworks:
- a design-time environment to design, define and program the platform
- an execution-time environment to execute the logic programmed in the design phase.
The design-time framework is an integrated development environment with tools, techniques, and repositories for defining and describing deployable assets. It supports the development of new capabilities, augmentation of existing capabilities and continuous operational improvement throughout the lifecycle of a service. The execution-time framework uses closed-loop, policy-driven automation to drive down operational costs. Built-in dynamic, policy-enforced functions are provided for component and workload shaping, placement, execution, and administration. Access to the design-time and execution-time frameworks are provided by the OpenECOMP Portal, a role-based user interface.
Figure 1 shows the architecture of OpenECOMP.
Figure 1. OpenECOMP architecture
Design-time framework
The design-time framework consists of the following subsystems:
The SDC subsystem enables developers to define, simulate, and certify assets and their associated processes and policies.The Policy Creation subsystem enables the creation of rules that instantiate conditions, requirements, constraints, attributes, or needs regarding the assets that must be provided, maintained, or enforced.
The design-time framework provides a set of common services and utilities and is intended for a variety of users with a different roles. For example, the design studio enables product and service designers to onboard, extend and retire resources, services and products. Also using the design studio, operations engineers, security experts and customer experience experts can create workflows, policies and methods.
Run-time framework
The run-time execution framework executes the rules and policies designed within the design-time framework, and consists of the following subsystems:
- Active and Available Inventory (AAI)
- Common Services
- Controllers
- Dashboard
- Data Collection, Analytics and Events (DCAE)
- Master Service Orchestrator (MSO)
- Security Framework
The run-time framework distributes the assets and policies created in the design environment to the subsystems within the execution framework. These subsystems use a set of common services that support access control, data management, and logging.