Page 635 - Cloud computing: From paradigm to operation

XaaS 3

Figure (optional)

Pre-conditions CSC-A needs to build enhanced network services using dedicated hardware equipment for
(optional) each functionality and manage the whole network.
Post-conditions CSC-A used NaaS platform to combine CSP network services with self-developed
(optional) functionalities and integrate them into enhanced network services.
Derived requirement – Flexible scaling of NaaS platform (refer to clause 8.4)
– Integration of software applications (refer to clause 8.5)

II.4 NaaS connectivity related use cases

This clause provides description of use cases where NaaS CSC can provision and use network connectivity.
II.4.1 General use cases

II.4.1.1 General NaaS connectivity use case
NOTE – The following use case is based on a use case provided in [ITU-T Y.3501].

Name General NaaS connectivity use case
Description A NaaS CSP sets up, maintains and releases the network connectivity between CSCs and
between the CSP and the CSC as a cloud service. This can include on-demand and semi-
permanent connectivity.
Roles CSC, CSP
Figure

627