List of Figures

• 2-1        Example of Gy/Ro Event-Based Charging
• 2-2        Example of Gy/Ro Session-Based Charging
• 2-3        Sites, Mated Pairs, and Region
• 2-4        Policy DRA in Roaming Scenarios
• 2-5        Example PCA Mated Pair - Hosting Binding SBRs
• 2-6        Example PCA Mated Pair - Not Hosting Binding Policy SBRs
• 2-7        Policy Client, PCRF, and Site Relationships
• 2-8        Smallest Supported PCA Field Deployment
• 2-9        Smallest Supported PCA Mated Pair
• 2-10      Smallest Supported PCA Mated Triplets
• 2-11      Comparing 2-Site and 3-Site Redundancy
• 2-12      Binding Table Partitioning Across Server Groups
• 2-13      Multi-Table Resources
• 2-14      Data Merging – Normal Case
• 2-15      Data Merging – Redundant Site Failure
• 2-16      Communication between ComAgents, Policy DRA, and SBR
• 2-17      Request Processing at the Diameter Routing Function and PCA
• 2-18      Answer Processing at the Diameter Routing Function and PCA
• 2-19      PCA Generated Answer Routing
• 2-20      PCA Generated Request Routing
• 2-21      Event Diagram Trace – CCR Example
• 2-22      Update Request Policy DRA Example
• 2-23      Event Diagram – Hover (Mouse-over) Example
• 3-1         Relationship between APNs and PCRF Pools
• 3-2         Relationship between IMSIs and PCRF Pools
• 3-3         Multiple PCRF Pools
• 3-4        Multiple PCRF Versions in a PCRF Pool
• 3-5        PCRF Pools and Sub-Pools Routing Scenarios
• 3-6        Subscriber Key Usage
• 3-7        Find or Create a Binding
• 3-8        Binding Dependent Session Initiation Request Processing Overview
• 4-1        Local OCS Server Selection
• 4-2        Local OCS Server Pool Selection
• 4-3        Regionalized OCS Server Pool Selection
• 5-1        PCA Configuration Flow
• 5-2        PCRF Pooling Data