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The CCVPN (Cross-layer Cross-domain VPN) use case enables ONAP to offer various connectivity services provisioned on physical networks. While CCVPN itself being an independent use case, it can also be used to support/enable other use cases. For example, CCVPN can be used in the the E2E Network Slicing use case, providing the Transport Slicing serivce (i.e., acting as the TN NSSMF). The page describes the basic applications and comon functionality of CCVPN. Extended CCVPN applications, such as Transport Slicing and Intent-based Cloud Leased Line, are captured in CCVPN Applications Use Case Page.
From an Operator's perspective, it is important to introduce the capability to manage the performance of the CCVPN End-to-End service (especially when it spans across different Operators). The ultimate goal of this use case is, by taking advantage of the strong orchestration ability of ONAP, to automatically create and deploy a cross operator, cross domain (SOTN + SD-WAN), cross layer (L1, L2, L3) end to end VPN and update the service dynamically.
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