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Why diameter protocol is known to support better roaming ?

+3 votes
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Some techies tell that diameter supports better roaming as compare to radius protocol. Can someone please explain why it is called ?

posted Dec 21, 2014 by Vikram Singh

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1 Answer

+1 vote
  • Radius does not support transmission level security and hence in roaming case it is more susceptible to attacks .
  • For roaming, intermediate proxy server is required for chaining purpose, Radius does not provide explicit support for proxies.
  • Radius does not provide data object security mechanism, hence if any untrusted proxies has altered message attributes, then radius is not able to detect it.

Because of these problems, Radius cannot be used for roaming. All these problems can be overcame by Diameter protocol, hence diameter is used.

answer Feb 23, 2015 by Subodh Kamble
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+1 vote

Probably a basic question but still want better clarity so some basic question ?
1. What is the Diameter protocol in simple explanation?
2. Why is it used?
3. How can one use it?

+4 votes

Can some one provide the list of interfaces of LTE or UMTS in which diameter protocol is used?

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