Page 528 - Cloud computing: From paradigm to operation

2 Cloud Computing management

Table 9-1 – Functions related with NaaS service operational policy data model
No. Function Description

1 Create policy The CSP creates a NaaS service operational policy data model on the NPAP based on
the required policy parameters and the NPIP stores it with the allocated labels which
indicates its dimensions.
2 Delete policy The CSP deletes the specified NaaS service operational policy data model on the NPAP
and the NPIP removes it from the repository.

3 Update policy The CSP updates a NaaS service operational policy data model on the NPAP based on
the new policy parameters and the NPIP re-stores it and the original one is
overwritten accordingly.
4 Get policy The NPDP requests the specified NaaS service operational policy data model from the
NPIP and gets it from the repository.
5 Distribute policy The NPDP distributes the specified NaaS service operational policy data model to the
NPEP and the NPEP makes the subscription on the NPDP for its update.
6 List policy The NPIP lists all the NaaS service operational policy data models on demand.
7 Retrieve policy The NPIP provides the retrieved NaaS service operational policy data models on
demand based on the specified retrieval conditions.
8 Enforce policy The NPEP enforces the NaaS service operational policy data models based on the
trigger condition or request.

9.3 Procedure of NaaS service operational policy from creation to enforcement

The interactions among the main elements of NaaS service operational policy framework from creation to
enforcement of the policy data model are described as follows in Figure 9-1.

Figure 9-1 – Procedure from creation to enforcement of the
NaaS service operational policy data model

520