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We intend to provide a framework in which the applications only need to implement the business logic and seamlessly support any interface language like REST, NETCONF etc. 

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In ONOS, YANG is being used as a general purpose modeling language.

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Provides a common basis for all POJOs which are generated from a YANG model.

• It is mutable.

• The binding between ModelObject POJO and DataNode is performed by the YANG Runtime.
  
  Each model or application will have a unique identifier, which can be configured using buck or maven as shown below :

  Code Block
  language bash title To config mode-ld using maven
  <configuration> <modelId>xml</modelId> </configuration>

  Code Block
  language bash title To config model-Id using buck
  yang_model( app_name = 'example.application', model_id = 'example_id' )

  
  In-case model-id is not configured then artifact-Id will be configured as model-Id for that particular application. 

YANG Compiler

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4) YANG GUI enhancement for live compilation.

5) Sub-module support.