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Re: Comments on "practical deployments"
>> problems in practical deployments.
> Which "practical deployments" are we talking about?
RADIUS proxies. There are multiple inter-telco && inter-country
deployments using RADIUS. I'm not aware of any similar large-scale
deployment of Diameter. (i.e. everyone I've talked to says "perhaps one
day we'll move to Diameter".)
> While proxies are widely used today to facilitate inter-domain
> roaming, as far as I know, the combination of inter-domain roaming
> and EAP is very rare.
The FMCA is trialling exactly this.
> While EAP-based technologies such as WiMAX may change the
> situation, as I understand it, the use of EAP today is largely confined
> to enterprise scenarios. For example, the vast majority of all
> IEEE 802.11 hotspot deployments use Web-based access (e.g. UAM), not EAP.
Yes. In fact, the use of EAP *prevents* a large number of business
models for network access.
> In terms of major EAP deployments that support inter-domain roaming
> with substantial usage, one deployment (EDUROAM) is several orders of
> magnitude larger than any other that I am aware of.
UMA leverages EAP and RADIUS, but it's buried deep in the network.
> As far as I know, EDUROAM does not use Diameter nor are there any
> major deployments of Diameter EAP.
> Am I missing something, or are there really any "practical experience"
Practical experience with existing AAA servers, proxies, and business
models. The current technology is RADIUS. I'm trying to figure out how
AAA redirection (and avoiding the intermediary proxies) helps anyone.
I don't think it does.
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