Mobile Application Part (MAP)¶

Overview¶

MAP (Mobile Application Part) is a crucial SS7 protocol that enables mobile networks to provide core services and roaming capabilities. It operates on top of the TCAP layer and is essential for mobile communications.

Key Features¶

• Location management and mobility
• Authentication and security procedures
• Short Message Service (SMS) handling
• Supplementary services
• Roaming support
• USSD operations

Protocol Versions¶

Common Operations¶

Authentication¶

# Authentication Info Request
response = client.map.send_authentication_info(
    imsi="123456789012345",
    requested_vectors=3,
    supported_algorithms=["MILENAGE", "COMP128v3"]
)

Location Updates¶

# Update Location
response = client.map.update_location(
    imsi="123456789012345",
    msc_number="441234567890",
    vlr_number="441234567891"
)

Vendor Integration¶

Nokia HLR/HSS¶

• Product Line: Nokia NetAct Mobile Core
• Supported Versions: MAP v2/v3/v4
• Integration Methods:
• Direct SS7 connection via SIGTRAN
• Diameter interworking for EPC integration
• REST API gateway for cloud deployment
• Key Features:
• Enhanced security with IPSec support
• Geographic redundancy
• Load balancing with active-active configuration
• Real-time subscriber management
• Configuration Example:

  nokia_hlr_config:
    connection:
      type: sigtran
      local_point_code: "1-1-1"
      remote_point_code: "2-1-1"
      network_indicator: international
    security:
      ipsec_enabled: true
      certificate_path: "/etc/certs/nokia.pem"
    redundancy:
      mode: active_active
      peer_address: "10.0.0.2"
  

Ericsson Mobile Switching¶

• Product Line: Ericsson Mobile Softswitch Solution
• Integration Options:
• M3UA/SIGTRAN connectivity
• Diameter interface for 4G/5G
• SOAP/REST APIs for OSS integration
• Advanced Features:
• Automated failover
• Traffic-based routing
• Integrated fraud detection
• Performance monitoring
• Configuration Example:

  ericsson_mss_config:
    connectivity:
      protocol: m3ua
      asp_id: 100
      routing_context: 200
    traffic_control:
      max_transactions: 5000
      throttling_threshold: 80
    monitoring:
      stats_interval: 60
      alert_threshold: 90
  

Huawei UMG (Universal Mobile Gateway)¶

• Product Line: Huawei Mobile Softswitch
• Deployment Options:
• Physical appliance
• NFV-based deployment
• Hybrid cloud integration
• Core Capabilities:
• Protocol conversion (MAP/Diameter/SIP)
• Flexible routing policies
• High-performance transaction handling
• Real-time analytics
• Configuration Example:

  huawei_umg_config:
    deployment:
      mode: nfv
      virtualization: openstack
    routing:
      policy: least_cost
      alternate_routes: 2
    performance:
      max_sessions: 10000
      timeout_ms: 500
  

Oracle Communications HLR¶

• Product Line: Oracle Communications SDM
• Deployment Models:
• Cloud Native (Kubernetes)
• Bare Metal
• Hybrid Cloud
• Integration Features:
• REST API gateway
• Diameter integration
• SIGTRAN connectivity
• Database replication
• Configuration Example:

  oracle_sdm_config:
    deployment:
      type: kubernetes
      namespace: telco
      replicas: 3
    database:
      replication: true
      backup_interval: 3600
    api_gateway:
      enabled: true
      rate_limit: 1000
  

Integration Best Practices¶

Nokia Integration¶

1. Connection Setup

   # Nokia HLR connection
   nokia_client = client.map.create_connection(
       vendor="nokia",
       connection_type="sigtran",
       config={
           "local_pc": "1-1-1",
           "remote_pc": "2-1-1",
           "network_indicator": "international"
       }
   )
   

2. Subscriber Management

   # Update subscriber data
   response = nokia_client.update_subscriber_data(
       imsi="123456789012345",
       services=["camel", "sms", "gprs"],
       roaming_allowed=True
   )
   

Ericsson Integration¶

1. Traffic Management

   # Configure traffic routing
   ericsson_client.configure_routing(
       primary_route={
           "point_code": "3-1-1",
           "weight": 60
       },
       backup_route={
           "point_code": "3-1-2",
           "weight": 40
       }
   )
   

2. Performance Monitoring

   # Set up monitoring
   ericsson_client.enable_monitoring(
       metrics=["transactions", "latency", "errors"],
       interval=60,
       alert_threshold=90
   )
   

Huawei Integration¶

1. Protocol Conversion

   # Configure MAP to Diameter conversion
   huawei_client.setup_protocol_conversion(
       source_protocol="map",
       target_protocol="diameter",
       mapping_rules={
           "authentication_info": "air",
           "update_location": "ulr"
       }
   )
   

2. Route Management

   # Define routing policy
   huawei_client.set_routing_policy(
       policy_type="least_cost",
       max_routes=3,
       failover_timeout=30
   )
   

Oracle Integration¶

1. Cloud Deployment

   # Deploy Oracle SDM instance
   oracle_client.deploy_instance(
       deployment_type="kubernetes",
       replicas=3,
       resources={
           "cpu": "4",
           "memory": "8Gi"
       }
   )
   

2. API Gateway Configuration

   # Configure API gateway
   oracle_client.configure_gateway(
       rate_limit=1000,
       timeout=30,
       security={
           "oauth2_enabled": True,
           "api_key_required": True
       }
   )
   

Best Practices¶

1. Security
2. Implement MAP filtering
3. Use anti-spoofing measures
4. Enable fraud detection

5. Regular security audits

6. Performance

7. Connection pooling
8. Load balancing
9. Transaction rate limiting

10. Monitoring and alerting

11. Reliability

12. Redundant connections
13. Failover mechanisms
14. Transaction persistence
15. Error handling

Error Handling¶

Monitoring¶

Monitor these key metrics:

• Transaction success rate
• Response times
• Error distribution
• Network latency
• Resource utilization

Example Configurations¶

Basic Setup¶

map_config:
  version: 3
  routing_context: 100
  network_indicator: international
  point_code_format: ITU
  security:
    authentication: true
    encryption: true

Advanced Configuration¶

map_config:
  version: 3
  routing_context: 100
  network_indicator: international
  point_code_format: ITU
  security:
    authentication: true
    encryption: true
  performance:
    max_transactions: 1000
    timeout: 10
    retry_attempts: 3
  monitoring:
    enable_alerts: true
    metrics_interval: 60

Related Documentation¶

• SS7 Overview
• TCAP Documentation
• SCCP Documentation
• Diameter Interworking