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This is quite fortunate because RADIUS Accounting, even though specified in RFC2866, is very underspecified and has many interoperability issues - especially in a world-wide roaming envirnoment environment with numerous vendors and firmware versions of WiFi access points, which may all report with RADIUS accounting in a slightly different way. Since it provides no tangible benefit to eduroam operations, RADIUS Accounting is generally frowned upon. For many countries, particularly for European countries, eduroam Operations expects National Roaming Operators to acknowledge and discard Accounting packets destined to an eduroam IdP outside their own national federation; i.e. to confine Accounting, if it is really desired, to their own country.
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