List of Figures

Figure 1: Basic Video Network Topology
Figure 2: Basic IPTV Network Model
Figure 3: DSLAM Without IGMP Flow Recognition
Figure 4: DSLAM with IGMP Flow Recognition
Figure 5: IGMP Snooping
Figure 6: IGMP Proxy
Figure 7: IPTV Network (Access Side)
Figure 8: IPTV Network (Metro and Core Side)
Figure 9: Unidirectional Link Behavior
Figure 10: Routers Running JUNOS Software in the ETSI-TISPAN Architecture
Figure 11: BGF Voice Solution Architecture
Figure 12: Topology with Multiple Virtual BGFs and Gateway Controllers
Figure 13: Active and Standby Gateway Controllers
Figure 14: Sample BGF Voice Network
Figure 15: Unidirectional Gate
Figure 16: Addressing of Gate Pairs
Figure 17: Context, Termination, and Stream
Figure 18: Translation of Gate Addressing
Figure 19: Example: Translation of Gate Addressing
Figure 20: IPv4-to-IPv6 Gates Using Twice NAT
Figure 21: Establishing a VoiP Call
Figure 22: VPN Aggregation in a VoIP Network
Figure 23: Overview of VPN Aggregation Configuration
Figure 24: Protecting H.248 Messages Using IPsec Tunnel Mode
Figure 25: Protecting Session Mirroring Call Content Using IPsec Tunnel Mode
Figure 26: BGF HA Architecture
Figure 27: Voice Solution Topology Diagram
Figure 28: IMSG in the ETSI-TISPAN Architecture
Figure 29: IMSG Architecture
Figure 30: VPN Configuration for the IMSG Solution