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What is the Purpose of Echo messages in GTP ? [CLOSED]

+2 votes
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What is the Purpose of Echo messages in GTP ? [CLOSED]
closed with the note: I got the answer in provided Link.
posted Mar 24, 2014 by Rajni

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For your answer in details please read the below article. It is well described here.
http://tech.queryhome.com/32280/echo-message-in-gtp-an-overview

Similar Questions
+1 vote

This is regarding the scenario where GTP-U peer got restarted and again came to service. However,the other GTP-U entity could not detect the restart of peer GTP-U entiity as it keep receving Echo Response. I had read the Restart Counter/(Recovery IE), is used to detect such restarts. But, as per spec 29.281, Restart counter is no longer use and ignored. In such case how such quick GTP-U restarts are detected by peer GTP-U? Is it so that in this case no recovery action needed for User Plane ?

I do see that we have Private Extension IE but again that is vendor specific so that can not be used for interconnection with devices with other Vendors.

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