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Reliability and Recovery
This configuration also improves the availability of the circuit switched telephony traffic on this
site because, only half of the circuit-switched telephony located in the Atlanta site is affected by
an IPSI failure.
Note:
With the addition of an additional port network, there will be increased loads on
Note:
the media processor circuit packs, as they now must support the
inter-port-network traffic generated by the circuit-switched endpoints. As a result,
the traffic-engineering calculator should be applied to this configuration to
determine the required number of Media Processors.
Figure 76: Case Study II: Three Sites Configuration
Atlanta
G650
PSTN
Site 1: Headquarters
End Users: 1755
IPSIs: 2
C-LANs: 6
266 Avaya Application Solutions IP Telephony Deployment Guide
S8700
G650
Alternate Call Control signaling path to LSP
Boston
WAN Edge
Routers
LSP (S8300)
LSP (S8300)
Site 3: Branch Office
End Users: 306
2 G700 Media Gateways
LSP
Site 2: Branch Office
End Users: 648
G650
IPSIs: 1
C-LANs: 2
PSTN
Cleveland
PSTN
cydfcas2.pdf KLC 121103
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