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RE: Issue 113: Attribute Concatenation
Taking Glen's suggested text, I'd like to close this issue out with the
following proposed text for the Text field in section 3.6. Please let
me know if this will work.
Text
The Text field contains a QoS filter, utilizing the syntax
defined for the QoSFilterRule derived data type defined in
[RFC3588], Section 4.3. Note that this definition contained
an error, so that the complete syntax is described in the
definition of the QoS-Filter-Rule AVP, defined in [NASREQ].
The RADIUS server can return multiple QoS-Filter-Rule
attributes in an Access-Accept or CoA-Request packet. Where
more than one QoS-Filter-Rule Rule attribute is included, it
is assumed that the attributes are to be concatenated to form
a single QOS filter.
Whereas the maximum allowable AVP size in [NASREQ] is greater
than RADIUS' maximum allowable attribute size, it is assumed
that QOS filters that exceed RADIUS' allowable attribute size
will be broken into multiple QoS-Filter-Rule attributes by
the RADIUS server and concatenated back into a single QOS
filter by the NAS.
As per the requirements of RFC 2865, Section 2.3, if multiple
QoS-Filter-Rule attributes are contained within an Access-
Request or Access-Accept packet, they MUST be maintained in
order. The attributes MUST be consecutive attributes in the
packet. RADIUS proxies MUST NOT reorder QoS-Filter-Rule
attributes.
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