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Sequence Flows for OOF based PCI Optimization based on 3 different triggers:
(Flow 1) - From SO (new cell addition),
(Flow 2) - From SDNC(R) (RAN config change)
(Flow 3) - From DCAE (fault)



Flow 1: PCI Optimization for trigger from SO (new cell addition)

Gliffy Diagram
namePCI Optimization Flow 1 - RAN Inventory Change
pagePin5

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Step

ComponentFunctionalityUser Stories
5PCI-Handler-MS, Policy

Fetch configuration policies

PCI-Handler MS fetches policies that specify how PCI-Handler-MS will respond to triggers or requests from SO, from DCAE (via DMaaP), SDNC(R) (via DMaaP),


6PCI-Handler-MS, OOF

Request for PCI optimization for network region.

PCI-Handler MS invokes OOF for pre-defined workflow for PCI Optimization via REST API.This call includes data for the cell and the network reqion involved.


7OOF, Policy

Fetch PCI optimization policies

OOF fetches policies that specify how OOF will execute PCI optimization in response to PCI request for optimization


8aOOF, AAI

Fetch Inventory data for cells in the region

OOF fetches inventory and topology of cells in network region from AAI


8bOOF, SDNC(R)

Fetch Config data for cells in the region

OOF fetches PCI and Nbr List config data for cells in network region from SDNC(R)


9OOF, PCI-Handler-MS

Recommended PCI configuration

OOF provides PCI recommendation to PCI-Handler-MS in response to the request from


10PCI-Handler-MS, Policy

Recommended PCI configuration

PCI-Handler-MS provides PCI recommendation to Policy


11Policy, SDNC(R)

PCI Configuration decisions

Policy sends message to SDNC(R) with instruction for configuration changes


12SDNC(R), RAN

Change PCI Configuration

SDNC(R) applies config changes


13SDNC(R), AAI

Update Inventory

SDNC(R) updates inventory as needed for PCI config change



Flow 2: PCI Optimization for trigger from SDNC(R) - RAN Config Change


Gliffy Diagram
namePCI Optimization Flow 3 - RAN Config Change
pagePin11


Flow

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3: PCI Optimization for trigger from DCAE (Alarm/fault)

Gliffy Diagram
namePCIOptimization
pagePin17