Riverstone Networks Network Device SSG - Manual (Page 14)

In Figure 5,
> IP provides:
• Low-cost packet transport
• High-capacity broadband
transport
• High-Speed SS7 Virtual Links
> SS7 provides:
• Network control
• Connection management
• Reliable real-time delivery
• Network status/link state
The Alcatel 5070 SSG ANSI provides:
> Flexible Routing to network
elements
> Interworking between the SS7
network and IP network elements
> Support for revenue generating
enhanced services
Figure 6 shows the Alcatel 5070
SSG ANSI in a packet network.
> 1 2 A L C AT E L
SSP
5070 SSG
(STP)
IP Network
TDM Network
SS7/IP
SS7 SS7
SS7/IP
SS7/IP
HLR VM SCP
SCP
Figure 5 - Alcatel 5070 SSG with SS7 and SS7/IP
Connections
WGW TGW
WGW
RGW
TGW
Softswitch
Signaling Layers
Transport/
Media Distributed
Switch/Router
Centralized Control Control
Softswitch
Application
Server
Service Layers/IN OSS/NM SS7/IP
Media
Server 5070 SSG
PSTN
AGW
TGW WGW
TGW
AGW
WGW
PSTN
RGW
Figure 6 - Alcatel 5070 SSG in the Packet Network