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Diameter: How does Diameter agent prepare its peer table and how it is used ?

+1 vote
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Diameter: How does Diameter agent prepare its peer table and how it is used ?
posted Jan 21, 2018 by Ganesh

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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.

+8 votes

Suppose in S6a interface which is a stateless interface an Engine (translation agent) has been placed in between MME and HSS for routing purpose and to translate the Diameter message in to Radius.

As the client-servers are not maintaining the state so after receiving the answer they will delete the session. But what about the agent who is maintaining the state there? hOW he would be informed that it can delete the session?

0 votes

In one Diameter blog, I saw a statement in which mentioned, if a Diameter node receive CER from unknown peer it responds back to that peer with Result-Code AVP set to "DIAMETER_UNKNOWN_PEER".
Now my query, Does a Diameter node keep its potential peers information in advance ?

+3 votes

Is there any standard way to create and maintain the peer table ?

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