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Project Name:

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Project description:

Extensibility is a software engineering and systems design principle where the implementation takes future growth into consideration (From Wikipedia, the free encyclopedia). In regards to ONAP, we would like to build tools, frameworks, APIs and in some cases guidelines to ensure ONAP can be extended to specific use cases that will be developed by service providers.

This project will tackle all type of extensibility patterns:

1. Black box - the most desired type of extensibility, when the code should not be tempered, in order to achieve new functionality, or extension to existing functionality
2. White box - the most premise type of extensibility, one that is the most flexible, but also create a lot of overheads in rebasing, and merging code with the upstream
3. Grey box - a compromise between a pure white-box and a pure black-box approach, which does not rely fully on changing the source code. Programmers could be given the system’s specialization interface which lists all available abstractions for refinement and specifications on how extensions should be developed

Scope:

Many of the ONAP existing components already provide extension mechanisms, however there are gaps, inconsistencies and in general a lack of consistent approaches.  The project will provide a common set of reusable code and where code is not applicable a set of documented re-usable patterns that other components will (should) be adhere to. 

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• Primary Contact Person: Liron Shtraichman liron.shtraichman@amdocs lironsh@amdocs.com
• Mark Pond mpond@amdocs.com
• Pamela Dragosh pdragosh@research.att.com AT&T

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