Title:                              ADS - Invalid error handling

PDR Reference                       97080008
Originator reference:               PDR-6
SARPs Document Reference:           ADS SARPs, Section 2.2.2.5.4.6.1 & 							2.2.2.5.4.7.1
Status:                             ADOPTED
PDR Revision Date:                  22/09/97 (SUBMITTED -> ACCEPTED)
				  	      22/09/97 (ACCEPTED -> PROPOSED)
						20/10/97 (PROPOSED -> RESOLVED)
PDR Submission Date:                18/08/97
Submitting State/Organisation:      ATNP/WG3/SG2
Submitting Author Name:             T I Maude
Submitting Author E-mail Address:   maude@level-7.co.uk
Submitting Author Supplemental
Contact Information:                Fax +44 1344 868 442
SARPs Date:                         IV1.1, March 97
SARPs Language:                     English

Summary of defect:

In the receiving ADS report forwarding ASE, if there is a decoding error in a D-START indication, or if it has invalid QOS parameters, then an ADS-provider-abort indication is invoked in the receiving system. This is not a valid thing to do since the receiving user does not know (at this stage) that any communication is taking place. 

If this is not fixed then there is a danger that the receiving user will receive aborts at times when it is not aware that the communications is in operation.

Assigned SME:                       Sub volume II SME

Proposed SARPs amendment:

Delete from 2.2.2.5.4.6.1
"b) invoke ADS-provider-abort indication with reason decoding-error, and"

and replace with
"b) if not in the ADS-R-IDLE state, invoke ADS-provider-abort indication with reason decoding-error, and"

Delete from 2.2.2.5.4.7.1
"b) invoke ADS-provider-abort indication with reason invalid-qos-parameter, and"


SME Recommendation to CCB:          -

CCB Decision:                       atnp_ccb_chair: SUBMITTED (18/08/97)
				  	      atnp_ccb_chair: ACCEPTED (22/09/97)
						atnp_ccb_chair: RESOLVED (20/10/97)