The difference between SSO/NSF(GR) and NSR

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May 30th, 2014
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I have question about the differnce between SSO/NSR(GR) and NSR.

In my understanding SSO/NSR is stateful switchover from Active to Backup
Mainly take over teh startup configuration and FIB TCAM table and so on.
But this protocol need to re-establish the routing table and topology database etc.

But if NSR functions when stateful switchover happens then it takes over routing table
and toplogy database etc. right? 

If so, I think BGP peer down/up (flapping) , OSPF/EIGRP neighbor state change does not happen right?

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