NOC Incident Visualization

Linking Customer Complaints to Network Architecture

📡 Interactive Network Architecture

IP CORE RAN NPO DWDM VAS SOC Customers CORE NET MICROWAVE

Interaction Guide:

Click any complaint card below to highlight the responsible component(s) on this diagram. This visualizes the impact across the network architecture.

  • Default Node (Healthy)
  • Highlighted Node (Impacted)

Tier 1: Network Performance Issues (Customer Facing)

#1 High Priority

**Call Drop** / Weak Signal

Root Cause: Poor RSRP/RSRQ, **cell congestion**.

Handled by: RAN NPO

#2 Data Slow

4G/5G Data Speed Too Slow

Root Cause: **High cell load**, backhaul congestion.

Handled by: RAN NPO IP

#3 Critical Outage

Site Outage / Down Cell

Root Cause: **Power failure**, fiber cut, or equipment fault.

Handled by: RAN DWDM

#4 Voice Quality

VoLTE / Voice Quality

Root Cause: High latency, **jitter**, or missing IMS registration.

Handled by: RAN IP

#5 Transport Link

Fiber Degradation

Root Cause: **Low optical signal (OSNR)**, fiber bend.

Handled by: DWDM

#6 Service Access

Routing or DNS Problem

Root Cause: Incorrect BGP routing, **DNS failure**.

Handled by: IP Core

#7 Security Alert

Security / SIM Fraud

Root Cause: **SIM swap fraud**, phishing, malware traffic.

Handled by: SOC

#8 Billing / VAS

VAS Auto Deduction

Root Cause: **Auto-subscription** from third-party content.

Handled by: VAS

#11 High Latency

High Latency & Jitter

Root Cause: **IP Route Flapping** or Core Link Saturation.

Handled by: IP CoreNetwork

#12 Transport

Microwave Link Degradation

Root Cause: **Rain Fade** / Alignment Shift / Interference.

Handled by: Microwave NPO

#13 Core Failure

Authentication Failure

Root Cause: **HLR/AUC Database Sync Error** / MME Glitch.

Handled by: CoreNetwork

#14 Capacity Plan

Capacity Congestion Warning

Root Cause: **Inadequate Sector Split Planning** / Oversubscription.

Handled by: NPO RAN

#15 Deployment

New Site Integration Failure

Root Cause: **Mismatched DCN/IP Plan** or RAN Configuration.

Handled by: RAN IP NPO

#16 Security

Unexpected Traffic Spike (DDoS)

Root Cause: **DDoS Attack** Originating from Foreign IP.

Handled by: SOC IP

#17 DWDM Fault

Optical Channel Drift

Root Cause: **Laser Failure** / EDFA Noise Floor Increase.

Handled by: DWDM

#18 Revenue/Fraud

Premium SMS Abuse

Root Cause: High Volume of Suspicious Activity on a **VAS Short Code**.

Handled by: VAS SOC

#19 Mobility

Poor Handover Success Rate

Root Cause: **Overlapping Coverage** / Parameter Tuning Issues.

Handled by: RAN NPO

#20 Billing Critical

CDR/Billing System Error

Root Cause: **Diameter Interface Loss** / Mediation Failure.

Handled by: CoreNetwork

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Tier 2: Operational & Ticket Handling Challenges

#1 Misrouting

Wrong Categorization

Cause: CSR/Helpdesk error, **CRM logic error**.

Impact: **Resolution delay**.

#2 Data Quality

Incomplete Ticket Info

Cause: Missing MSISDN/site ID, **CRM-NMS sync failed**.

Impact: Cannot investigate.

#3 SLA Risk

NOC Escalation Delay

Cause: **High ticket queue** or monitoring alert overload.

Impact: **SLA breach**.

#4 System Integration

CRM–OSS Sync Error

Cause: **API failure**, data mapping mismatch.

Impact: **Lost ticket** or duplication.

#5 Routing Logic

Wrong Team Mapping

Cause: Wrong configuration, **outdated org matrix**.

Impact: Misrouted tickets.

#6 Priority Mismatch

Severity Mismatch

Cause: **Human error** or unclear severity definition.

Impact: Wrong resource allocation.