AT

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ATT Mobility Network Optimization

• Michael Van Weelden
• Director SCM ATT Mobility
• July 14, 2007

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ATT Mobility Network OptimizationArchitecture
Example
Cell Site
DS1/DS3 Channel Termination
Mobility Switch
OC/DS3 Channel Termination
M13
LEC/CLEC LSO
LEC MTSO SWC
ATT Mobility Leased/Owned Ring Service
Mobility Switch
DS1/DS3 Channel Termination
LEC MTSO SWC
M13
OC/DS3 Channel Termination
LEC/CLEC LSO
OC/DS3 Channel Mileage
Cell Site
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Mobility Network OptimizationProcess Flow
Planning, Capacity Analysis,Implementation, and
Tracking

• NPE
• Capacity availability
• Augment capital estimate

• Network Engg
• Finalize design
• Finalize schedule
• Coordinate service

• Data for optimization analysis

PLANNING
Capacity analysis and capital cost
Preliminary opportunity

• Program Mgmt
• Review target plan
• Work w/ NPE on capacity requirements
• Term Liability impacts

Bill Tamer and Granite inventory information
Deliver price
Manage data sources

• Program Mgmt
• Develop financial impact
• Manage Mobility relationship

CAPACITY ANALYSIS
Preliminary plan and capital estimate used for
pricing

• Access Suppliers
• Data for optimization analysis

A

• Tracking
• Track new service

Billing data
New service tracking data
disconnect tracking data

• Provisioning
• Provision new PL service

IMPLEMENTATION
Issue PL Order
Coordinate w/ Network Engineering

• Provisioning
• Place new Local PL service orders
• Issue disconnects
• Program management of vendor and Mobility
  resources

• Access Suppliers
• Place orders for new service
• Issue Disconnect

Facility assignment information
A
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ATT Mobility Network Optimization

• Network Optimization Objectives
• Reduce Mobility Transport Expense
• Secure high quality, reliable transport services
• Promote redundancy/survivability in core
  network
• Maximize circuit utilization
• Optimize internal and external resources
• Anticipate future capacity requirements