| 摘要 |
The invention includes two hosts having synchronized information to provide graceful failover for an SSCOP Service Access Point. Each host connected to the same SSCOP SS7 link, and has a Link Manager, SSCF-NNI layer, and SSCOP layer. For each link, there is an instance of SSCF-NNI state machine running in stack and similarly for each link there is an instance of SSCOP state machine running in the stack. Once the Link Manager detects that the active host on the redundancy group for SS7 links has failed, It checks its list of links, whether the failed host was the active host for those links and whether the links were active.
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