Avaya ESS

ESS Overview
46 Avaya Enterprise Survivable Servers (ESS) Users Guide
Figure 16: CSS with multiple nodes - failover
LAN (IP PNC)
CSS CSS
UID
2
1
0
1
1
0
3
2
3
2
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COMPACT
5
4
5
4
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UID
2
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3
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disc
COMPACT
5
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S8710 Media Server
(Main Server)
PN #1
PN #2
PN #3
PN #6
PN #5
PN #4
S8700 ESS Server
(1st Alternative)
cycmcss6 KLC 031505
PN #2 remains in service
Out of Service
CSS / EI (Fiber)
ATM / ATM-EI (Fiber)
Dup Link
Port Network Control Link (EAL)
IP Connection into Control Network
Server or Network Failure
VoIP Path
DSIC LInk