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- The NSD shall reference the VNFDs applicable to its constituent VNFs.
- The NSD shall include the VLDs applicable to the VLs used by the NS to interconnect its constituent NFs.
- The NSD shall reference the PNFDs applicable to its constituent PNFs.
- The NSD shall include the descriptors of the VNFFGs applicable to the NS (stretch goal).
- The NSD shall support the capability to include or reference NS LCM scripts.
- The NSD shall support the capability to providing monitoring parameters to be tracked during the lifetime of a NS instance (stretch goal).
- The NSD shall support the capability to describe auto scale rules, associating criteria to scaling actions (stretch goal).
- The NSD shall include package security information enabling validating its authenticity and integrity.
- The NSD shall include a globally unique identifier for identifying each descriptor instance.
- The NSD shall include an identifier to select to controller compatible with the NSD.
- A VLD shall enable specifying the type of connectivity provided by the link between VNFs.
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