(RADIATOR) experiences using anycast?

[Hugh Irvine]

Hello Andrew -

The radius protocol provides for a primary and secondary target radius 
server, which is generally the way to do this.

Another alternative is to use a load balancer in front of a number of 
radius server hosts.

It is also usual to have a single separate SQL server for the session 
database and so on.

There is also a new AuthBy MULTICAST module in Radiator 3.11 which can 
be used in this situation too.

See section 6.59 in the Radiator 3.11 reference manual ("doc/ref.html").

regards

Hugh


On 1 Dec 2004, at 09:23, Andrew D. Clark wrote:

> Hi all,
>
> I'm doing a bit of reworking of our current RADIUS implementation from 
> a single radiator server to a pair of them.  I'm contemplating using 
> an IP anycast address for RADIUS to allow for a bit more resiliency in 
> the case of server failure.  Obviously I'll need to keep my session 
> database synced, etc.  Has anyone else attempted this?  Any 
> suggestions/snags to share?
>
> --
> Andrew Clark
> Campus Network Programmer
> Office of Information Technology
> University of California, Santa Barbara
> andrew.clark at ucsb.edu (805) 893-5311
>
> --
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>

NB:

Have you read the reference manual ("doc/ref.html")?
Have you searched the mailing list archive 
(www.open.com.au/archives/radiator)?
Have you had a quick look on Google (www.google.com)?
Have you included a copy of your configuration file (no secrets),
together with a trace 4 debug showing what is happening?

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