Triple Play Service Delivery Architecture In This Section This section provides TPSDA configuration information for the following topics: • ARP Hosts • Bridged CO • IPv4 DHCP Hosts • ESM Basics • ESM IPv4: Multicast in a Wholesale/Retail Scenario • ESM IPv4: Multicast with Redirection • ESM IPv4: Multicast with SRRP • ESMv4: PPPoE Hosts • ESMv6: IPoE Dual Stack Hosts • ESMv6: PPPoE Dual Stack Hosts • Establishing a Diameter Peering Session • Flexible Authentication Model in ESM • Ingress Multicast Path Management • L2TP for Subscriber Access — LAC • Managed SAPs with Routed CO • Multi-Chassis Ring Layer 2 with Enhanced Subscriber Management • Python Cache Support for ESM Applications • RADIUS-Triggered Dynamic Data Service Provisioning • Raw Formatting of DHCPv4/v6 Options in ESM • Routed CO • Subscriber Redundancy for Routed-CO • WiFi Aggregation and Offload – Migrant User Support