(RADIATOR) How many <Handlers> do you have?

miko at yournetplus.com miko at yournetplus.com
Wed Jan 12 07:59:30 CST 2005


I had thought about that, but it seemed to me that having an extra SQL 
Query run on every authentication and accounting packet would cause a 
performance hit, plus it would prevent us from being able to handle 
proxying requests if the SQL server for whatever reason stopped responding.

-Miko

<----- Original Message ----->
From: "Marty Maiers" <martym at yournetplus.com>
To: miko at yournetplus.com, randy at yournetplus.com, duane at yournetplus.com, 
ryan at yournetplus.com, "'Laura'" <laura at yournetplus.com>
Sent: Wednesday, January 12, 2005 9:53:22 PM
Subject: Prism/Filtering
> Sounds pretty intense.
> 
> Without giving it too much thought, I'll share the following comments.
> 
> I agree that a separate Handler for each realm is poor both for
> performance reasons and for maintainability. You don't want to be
> modifying your config file every 10 minutes because a realm is being
> added or removed from your system.
> 
> Since most of your complexity is from multiple realms, let's get
> specific realms out of the config file. Add a PreProcessingHook which
> queries a separate SQL database to find out "what to do" with the realm
> of the current packet. Based on the results from the database, have the
> hook add one (of hopefully only a few) custom RADIUS Attributes to the
> request. Then use one default realm handler. In that Handler, you can
> decide whether to proxy or whatever based on that attribute.
> 
> Then you can just manage the huge list of realms by changes to the SQL
> database, and your config file can remain rather static. 
> 
> Thoughts?
> 
> Dave
> 
> 
>>-----Original Message-----
>>From: miko at yournetplus.com [mailto:miko at yournetplus.com]
>>Sent: Wednesday, January 12, 2005 6:33 AM
>>To: Frank Danielson
>>Cc: radiator at open.com.au
>>Subject: Re: (RADIATOR) How many <Handlers> do you have?
>>
>>Essentially we operate several radius machines that authenticate from
>>major backbone carriers. Each of these machines has anywhere from
> 
> eighty
> 
>>to several hundred realms that it auths, many of which operate
> 
> subrealms
> 
>>as I described previously. Our radius boxes handle these realms in
>>different fashions, some are proxied to downstreams and others are
> 
> handled
> 
>>in databases, and some are handled using other authby systems.
>>
>>Our goal is to merge these systems together so that we do not have to
>>maintain as many systems, thus we end up having a few thousand realms
>>total that need to be handled... We also auth based on not only realm
> 
> but
> 
>>also prefixes of the username being authed, which is what originally
>>prompted me to use handlers...
>>
>>-Miko
>>
>><----- Original Message ----->
>>From: Frank Danielson <fdanielson at csky.com>
>>To: miko at yournetplus.com, radiator at open.com.au
>>Sent: Wednesday, January 12, 2005 6:09:30 PM
>>Subject: (RADIATOR) How many <Handlers> do you have?
>>
>>>Hi Miko-
>>>
>>>What are you planning to do inside all these handlers? Are you
> 
> proxying
> 
>>the
>>
>>>requests to a downstream server, authorizing against a database, or
>>>something else?
>>>
>>>Since Hugh has already established that 4000 handlers is not a good
> 
> idea
> 
>>and
>>
>>>you've established that realms probably won't work either, how about
>>
>>giving
>>
>>>us the whole scenario and maybe someone on the list will have a good
>>
>>idea or
>>
>>>has already solved a similar problem?
>>>
>>>-Frank
>>>
>>>-----Original Message-----
>>>From: miko at yournetplus.com [mailto:miko at yournetplus.com]
>>>Sent: Wednesday, January 12, 2005 3:29 AM
>>>To: Hugh Irvine
>>>Cc: radiator at open.com.au
>>>Subject: Re: (RADIATOR) How many <Handlers> do you have?
>>>
>>>
>>>Unfortunately we cannot use SQLRadius or Realm clauses because we
> 
> need
> 
>>to
>>
>>>be able to support other attributes besides the realm and the realms
>>
>>that
>>
>>>we have must also support subrealms (ie. sub.realm.com) without the
>>>configuration knowing what the sub portion of the realm is. At
> 
> present I
> 
>>>only know to that with regular expressions in a Handler clause...
>>>
>>>-Miko
>>>
>>><----- Original Message ----->
>>>From: Hugh Irvine <hugh at open.com.au>
>>>To: "miko at yournetplus.com" <miko at yournetplus.com>
>>>CC: radiator at open.com.au
>>>Sent: Wednesday, January 12, 2005 1:10:15 AM
>>>Subject: (RADIATOR) How many <Handlers> do you have?
>>>
>>>
>>>>Hello Miko -
>>>>
>>>>A configuration with 4000-5000 Handlers is not a good idea.
>>>>
>>>>If you need to do this because of many target radius proxy hosts I
>>>>generally recommend a single Handler with an AuthBy SQLRADIUS
> 
> clause.
> 
>>>>If this is to cope with many different Realms then you should just
> 
> use
> 
>>>>Realm clauses which are _much_ faster than Handlers.
>>>>
>>>>Perhaps if you give me a bit more detail I can try to make some
>>>>suggestions.
>>>>
>>>>Otherwise we are available on a contract basis for design,
> 
> installation
> 
>>>>and training.
>>>>
>>>>regards
>>>>
>>>>Hugh
>>>>
>>>>
>>>>On 11 Jan 2005, at 17:01, miko at yournetplus.com wrote:
>>>>
>>>>
>>>>
>>>>>Has anyone experienced any issue, or can think of any issue with
>>>>>running a large # of Handlers in a config file???
>>>>>
>>>>>At present we have the potential for having about 4000-5000 in a
> 
> new
> 
>>>>>config I am wanting to implement, but I'd like to know that
> 
> Radiator
> 
>>>>>can handle this before I do it...
>>>>>
>>>>>-Miko
>>>>>
>>>>>--
>>>>>Archive at http://www.open.com.au/archives/radiator/
>>>>>Announcements on radiator-announce at open.com.au
>>>>>To unsubscribe, email 'majordomo at open.com.au' with
>>>>>'unsubscribe radiator' in the body of the message.
>>>>>
>>>>>
>>>>
>>>>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?
>>>>
>>>
>>>
>>>--
>>>Archive at http://www.open.com.au/archives/radiator/
>>>Announcements on radiator-announce at open.com.au
>>>To unsubscribe, email 'majordomo at open.com.au' with
>>>'unsubscribe radiator' in the body of the message.
>>
>>--
>>Archive at http://www.open.com.au/archives/radiator/
>>Announcements on radiator-announce at open.com.au
>>To unsubscribe, email 'majordomo at open.com.au' with
>>'unsubscribe radiator' in the body of the message.
> 
> 
> 

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