5.1. Service Provider Data Center
The Data Center simulates two customers,
The
The
One LSP is configured for each customer site. To configure additional LSP enterprise sites refer to Section 6.1 for
The Data Center contains a network based Juniper VF 3000 SBC Session Border Controller. The Juniper VF 3000 SBC provides H.323 and H.248 NAT processing to the WAN. The Juniper VF 3000 SBC also provides firewall functionality.
The Data Center also contains a Juniper
5.2. MPLS Core
An MPLS core WAN network is used between the Data Center and the Enterprise sites. The MPLS core network is composed of Cisco routers. MPLS IP VPNs are configured between the Data Center and enterprise sites.
5.3. Customer Enterprise Sites
The Distributed Service Model enterprise sites access the Data Center via a public WAN. The remote sites use local private IP addressing. The enterprise sites may use either
All of the enterprise sites contain a Checkpoint firewall for security. The Checkpoint also provides IP NAT functionality for those sites that use
Enterprise sites contain Avaya Media Gateways with Local Survivable Processors (LSPs). Local Survivable Processors (LSPs) provide local IP telephony in case connectivity to Avaya
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