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TCAP Resiliency Based on DTS/DTC Option
Alternatively, it is possible to distribute SCCP traffic to
multiple application hosts using the distributed transac-
tion server/distributed transaction client (DTS/DTC) soft-
ware option, as shown on Part B of Figure 13. In this
architecture, TCAP and potential application parts run on
each application host. Consequently, the total capacity of
such a system depends on the number of application
hosts, each host bringing an increment of 65,536
simultaneous dialogues. Please refer to the Intel
®
NetStructure™ SS7 Protocols DTS User Guide, Issue 2,
for more information on the DTS/DTC software option.
Application Note Building Fault-tolerant SS7 Systems Using the Intel
®
NetStructure™ SIU520 SS7 Signaling Gateway
16
Application
Host 0 Host 1
SIU520
TCAP
SCCP
MTP
Host 2 Host 3
Application Application Application
Ethernet
SS7
Figure 16. TCAP Dialogue Groups Example