RE: subtypes (was: HTTP digest and RADIUS; new version of the St ermandraft)

[Avi Lior <avi@bridgewatersystems.com>]

See inline.

> -----Original Message-----
> From: Nelson, David [mailto:dnelson@enterasys.com] 
> Sent: Monday, February 16, 2004 11:17 AM
> To: Victor Gamov; radiusext@ops.ietf.org
> Subject: RE: subtypes (was: HTTP digest and RADIUS; new 
> version of the Stermandraft)
> 
> 
> Victor Gamov writes...
> 
> > Yes, but I don't say that we must increase attribute 
> length.  We must 
> > propose method to join attribute values placed in different 
> attributes 
> > with some "tag".  Like EAP for example.
> 
> Application layer fragmentation and reassembly of attributes 
> already exists in RADIUS.  It is used for string attributes, 
> such as Filter-ID or Framed-Route, in addition to EAP-Message.

RADIUS has no way of addressing fragmentation and reassembly of attributes
for "string" attributes.

If you are talking about the fact the Filter-Id and Framed-Route can appear
more then once in a packet , the intent of that is not to function as a
fragmentation and reassembly mechanism.

EAP-Message is entirely different story.  Its really a transport within a
tranpsort and does address this issue within the EAP-Message.

Today if I have a string attribute that is longer than 253 octets -- I could
extend it by putting the contents in back-to-back attributes.  This however
is not a very reliable way of extending an attribute.

Also recall, that we have many discussion on this topic when I put forward
the radius attribute extension drafts.  During that discussion I proposed a
method of doing this (but that is entirely a different story)

Avi

> -- Dave
> 
> 
> 
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