Avaya ESS

ESS failover examples
Issue 1.1 June 2005 31
Figure 6: Network fragmentation recovery
UID
2
1
0
1
1
0
3
2
3
2
disc
COMPACT
5
4
5
4
S
i
m
p
l
e
x
D
u
p
l
e
x
ch
ch
2
1
UID
2
1
0
1
1
0
3
2
3
2
disc
COMPACT
5
4
5
4
S
i
m
p
l
e
x
D
u
p
l
e
x
ch
ch
2
1
S8710 Media Server
(Main Server)
cycmnfr KLC 031505
disc
S8500 ESS Server
(2nd Alternative)
PN #1 PN #5
PN #2 PN #6PN #3 PN #7
PN #4 PN #8
S8700 ESS Server
(1st Alternative)
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