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Diameter : When does a Diameter client node establish sub-sessions and how it does ?

+1 vote
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Diameter : When does a Diameter client node establish sub-sessions and how it does ?
posted Mar 30, 2016 by Harshita

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+2 votes

In a Diameter session, what all states client has and the server ?
And how does the state transition work between client and server by exchanging different types of messages ?

0 votes

I know Diameter client can re-transmit the request message until it receives the answer message.
But what about when a Diameter node has sent answer message to the last received request from its peer and that's is not received but its peer. In this case, from Diameter client node transaction is not completed since it did not receive answer message but from other node point of view it has responded with answer and transaction is completed.

+1 vote

A Diameter node sends an error message in Answer message. It uses different error code based on the category it falls.
I am not able to understand about transient failure category.

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