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Difference between Relay, Proxy and Redirect Agent of Diameter

+3 votes
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Difference between Relay, Proxy and Redirect Agent of Diameter
posted Jul 11, 2013 by Nora Jones

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1 Answer

+1 vote

This is explained in RFC3588 section 2.8

answer Jul 11, 2013 by anonymous
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+2 votes

As per my understanding both are same but could not confirm the same from internet so asking this question.

+2 votes

Please find the description of the problem:
A diameter client and server communicates in the network through Proxy Agent.
Here, I have assumed PCEF is a diameter client and PCRF is a diameter server. Interface between the PCEF and the PCRF is known as Gx.

Does Proxy agent, which sits between PCEF and PCRF, need to support Gx application ?
Does Proxy agent validate presence of any mandatory or optional AVP when it receives a message from a diamter client (PCEF) before forwarding it to diameter server (PCRF) ?

Can someone please provides the detailed behavior of a proxy agent ?

0 votes

In that case, how does a Diameter node make out whether its peer Diameter Agent node works as a Diameter Relay or works as a Diameter Re-direct node ?
Is it pre-configured in the Diameter node or by exchanging some Diameter messages that role is decided ?

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