Tech-invite 3GPPspace IETFspace

21 22 23 24 25 26 27 28 29 31 32 33 34 35 36 37 38 4‑5x

Content for TR 32.870 Word version: 15.0.0

1… 2…

2 References p. 6

3 Definitions, symbols and abbreviations p. 8

3.1 Definitions p. 8

3.2 Symbols p. 8

3.3 Abbreviations p. 8

4 3GPP charging applications forward compatibility p. 8

4.1 3GPP charging applications and mandatory concept p. 8

4.1.1 High level charging requirements p. 8

4.1.2 Charging TSs structure p. 8

4.1.3 Information Element - Category per middle Tier TS p. 9

4.1.3.1 Category definition p. 9

4.1.3.2 IE Category and charging architecture p. 9

4.1.3.3 IE category and receiver p. 9

4.1.3.4 Category for CDR fields p. 10

4.2 3GPP charging applications and Diameter p. 10

4.2.1 Mapping of charging and Diameter p. 10

4.2.2 Use of Diameter capability p. 11

4.2.2.1 General principle p. 11

4.2.2.2 AVP ABNF syntax p. 11

4.2.2.3 M-bit setting p. 11

4.2.3 Conformance to Diameter extensibility Rule p. 11

5 Key issues p. 12

5.1 Key issue#1: M-bit setting Charging applications specific p. 12

5.1.1 Description p. 12

5.1.2 Current status p. 12

5.1.3 Solutions p. 12

5.1.3.1 Solution #1.1 p. 12

5.1.3.2 Solution #1.2 p. 12

5.1.4 Solutions evaluation and conclusion. p. 12

5.1.4.1 Evaluation p. 12

5.1.4.2 Conclusion p. 12

5.2 Key issue#2: M-bit setting Ro specific and Rf specific p. 13

5.2.1 Description p. 13

5.2.2 Current status p. 13

5.2.3 Solutions p. 13

5.2.3.1 Solution #2.1 p. 13

5.2.3.2 Solution #2.2 p. 13

5.2.4 Solutions evaluation and conclusion. p. 13

5.2.4.1 Evaluation p. 13

5.2.4.2 Conclusion p. 13

5.3 Key issue #3: AVPs via Diameter Proxy Agent p. 13

5.3.1 Description p. 13

5.3.2 Current status p. 13

5.3.3 Solutions p. 14

5.3.3.1 Solution #3.1 p. 14

5.3.4 Solution evaluation and conclusion p. 14

5.3.4.1 Evaluation p. 14

5.3.4.2 Conclusion p. 14

5.4 Key issue #4: Limit service rejection to when appropriate p. 14

5.4.1 Description p. 14

5.4.2 Current status p. 14

5.4.3 Solutions p. 15

5.4.3.1 Solution #4.1 p. 15

5.4.3.2 Solution #4.2 p. 15

5.4.4 Solutions evaluation and conclusion p. 15

5.4.4.1 Evaluation p. 15

5.4.4.2 Conclusion p. 15

5.5 Key issue #5: New 3GPP Release with new mandatory IEs. p. 15

5.5.1 Description p. 15

5.5.2 Current status p. 15

5.5.3 Solutions p. 16

5.5.3.1 Solutions #5.1 p. 16

5.5.3.2 Solutions #5.2 p. 16

5.5.4 Solutions evaluation and conclusion p. 16

5.5.4.1 Evaluation p. 16

5.5.4.2 Conclusion p. 16

5.6 Key issue #6: New functionality with new mandatory IEs. p. 17

5.6.1 Description p. 17

5.6.2 Current status p. 17

5.6.3 Solutions p. 17

5.6.3.1 Solutions #6.1: M-bit cleared p. 17

5.6.3.2 Solutions #6.2: new Diameter application per 3GPP Release p. 17

5.6.3.3 Solutions #6.3: new Diameter application per functionality p. 17

5.6.3.4 Solutions #6.4: Supported-feature mechanism p. 18

5.6.4 Solutions evaluation p. 19

6 Conclusion and recommendation p. 19

$ Change History p. 20