Re: [Dime] [dime] #85 (draft-ietf-dime-ovli): New error response

["dime issue tracker" <[e-mail]>]

#85: New error response


Comment (by [e-mail]):

 Added the following proposed wording to the draft:

    When a DOIC node rejects a Diameter request due to throttling, the
    DOIC node needs to select the appropriate error response code.  This
    determination is made based on the probability of the request
    succeeding if retried on a different path.

    The DIAMETER_TOO_BUSY response code SHOULD be used when the request
    is likely to succeed on a different path.

       For instance, if the request arrived at the reporting node without
       a Destination-Host AVP then the reporting node might determine
       that there is an alternative Diameter node that could successfully
       process the request and that retrying the transaction would not
       negatively impact the reporting node.

    The DIAMETER_UNABLE_TO_COMPLY response code SHOULD be used to
    indicate that the request should not be retried.  This is used when
    the request is not likely to succeed on a different path and retrying
    would consume valuable resources during an occurance of overload.

       For instance, if the request arrived at the reporting node with a
       Destination-Host AVP populated with its own Diameter identity then
       the reporting node can assume that retrying the request would
       result in it coming to the same reporting node.

       A second example is when an agent that supports the DOIC solution
       is preforming the role of a reacting node for a non supporting
       client.  Requests that are rejected as a result of DOIC throttling
       in this scenario would generally be rejected with a
       DIAMETER_UNABLE_TO_COMPLY response code.

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 Reporter:                           |       Owner:  draft-ietf-dime-
  [e-mail]           |  [e-mail]
     Type:  defect                   |      Status:  new
 Priority:  major                    |   Milestone:
Component:  draft-ietf-dime-ovli     |     Version:
 Severity:  Active WG Document       |  Resolution:
 Keywords:                           |
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Ticket URL: <http://trac.tools.ietf.org/wg/dime/trac/ticket/85#comment:2>
dime <http://tools.ietf.org/wg/dime/>