Avaya Application Solutions Deployment Manual page 272

Reliability and Recovery
Figure 78: Figure 5: Case Study IV
Atlanta
G650
PSTN
Table 63: Local Availability Improved to 99.999% availability for
the Atlanta and Boston Office with G650 and redundant
server interface connections to the S8700 Servers
Site
Atlanta
Boston
Cleveland
272 Avaya Application Solutions IP Telephony Deployment Guide
S8700
G650
Customer LAN
Site 1: Head Quarter
End Users: 1755
IPSIs: 2 active, 2 standby
MedPros: 4
C-LANs: 6
Avaya Product
Availability
99.999%
99.997%
99.99%
Boston
WAN Edge
Routers
WAN
LSP (S8300)
Site 3: Branch Office
End Users: 306
2 G700 Media Gateways
LSP
Additional VoIP MM installed
Complete Solution
including data network
availability
Annual Availability
Downtime
Minutes
5.3 99.999%
15.8 99.995%
53 99.989%
Site 2: Branch Office
G650
End Users: 648
IPSIs: 2 (active/standby)
MedPros: 3
C-LANs: 3
PSTN
Cleveland
PSTN
cydfcas4.pdf KLC 121103
Per Site
Annual
Downtime
Minutes
5.3
26
59