Re: The RADIUS attribute space: an assessment

["Alan DeKok" <aland@nitros9.org>]

"Nelson, David" <dnelson@enterasys.com> wrote:
> This is the part that I've never really understood.  Is the issue that
> equipment vendors choose not to offer Diameter clients in version
> upgrades of the operating SW/FW for their equipment?  Is Diameter only
> available on new equipment (forklift upgrade)?

  Until fairly recently even large equipment vendors didn't appear to
offer Diameter support.  i.e. If you had $$, you could buy it.  The
average joe was out of luck.

  Even today, the low-end boxes tend not to support Diameter.  Given
Zipf's law, probsbly 90% of the deployments are low-end boxes, meaning
Diameter *starts* with 1/10 the possible market of RADIUS.

  And for the vendors that do implement Diameter in a SW upgrade, ask
them about their experience with customer uptake on *any* new version.
Some people are happily running images 5 years out of date.  This
minimizes the potential market for Diameter even more.

  The main market I've seen is new deployments in telecom
environments.  There's a lot of money, but few boxes, and zero impact
on the rest of the world.  ISP's, enterprises, and the overwhelming
majority of AAA deployments find it too hard to deploy Diameter.

  Alan DeKok.

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