Tech-invite 3GPPspace IETFspace

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Content for TR 32.869 Word version: 15.0.0

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2 References p. 5

3 Definitions, symbols and abbreviations p. 7

3.1 Definitions p. 7

3.2 Symbols p. 7

3.3 Abbreviations p. 7

4 Overview p. 9

4.1 Introduction p. 9

4.2 Problems and goals p. 9

5 Impacts of Diameter overload on 3GPP charging interfaces p. 9

5.1 Introduction p. 9

5.1.1 3GPP Diameter Charging Interfaces p. 10

5.1.2 IETF Diameter Overload Indication Conveyance p. 10

5.2 Overload of the Offline Charging System (OFCS) p. 11

5.2.1 Existing overload control mechanism on Diameter charging interface p. 11

5.2.1.1 Failure handling p. 11

5.2.1.2 Limitation p. 11

5.2.2 Solutions for Diameter overload indication handling p. 11

5.2.2.1 Alternative solution #1.1: OLR with buffer mechanism p. 11

5.2.2.2 Alternative solution #1.2: OFCS without DOIC mechanism p. 13

5.3 Overload of the Online Charging System (OCS) p. 13

5.3.1 Existing overload control mechanism on Diameter charging interface p. 13

5.3.1.1 Failure handling p. 13

5.3.1.2 Limitation p. 13

5.3.2 Solutions for Diameter overload indication handling p. 13

5.3.2.1 Alternative solution #2.1: OLR with buffer mechanism p. 13

5.3.2.2 Alternative solution #2.2: OCS without DOIC mechanism p. 15

5.3.2.3 Alternative solution #2.3: OLR with service specific mechanism p. 15

6 Evaluation and recommendation p. 17

$ Change History p. 18