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Content for TS 29.276 Word version: 17.0.0

1… 6…

6 S101 Message Header p. 8

6.1 Introduction p. 8

6.2 S101 Message Header p. 8

6A S121 Message Header |R12| p. 9

6A.1 Introduction p. 9

6A.2 S121 Message Header p. 9

7 S101 Messages and Message Formats p. 10

7.1 Introduction p. 10

7.2 Path Management Messages p. 10

7.2.1 Introduction p. 10

7.2.2 Echo Request message p. 11

7.2.3 Echo Response message p. 11

7.2.4 Version Not Supported Indication message p. 11

7.3 S101 Messages p. 11

7.3.1 Introduction p. 11

7.3.2 Direct Transfer Request message p. 11

7.3.3 Direct Transfer Response message p. 13

7.3.4 Notification Request message p. 13

7.3.5 Notification Response message p. 14

7.4 Reliable Delivery of Signalling Messages p. 14

7.5 Information Elements p. 14

7.5.1 Information Element Assignments p. 14

7.5.2 Session ID p. 15

7.5.2A Session ID2 |R9| p. 15

7.5.3 Cause p. 15

7.5.4 Recovery p. 16

7.5.5 HRPD Sector ID p. 16

7.5.6 S101 Transparent Container p. 17

7.5.7 Handover Indicator p. 17

7.5.8 Private Extension p. 18

7.5.9 PDN GW PMIP GRE Tunnel Info p. 18

7.5.10 S103 GRE Tunnel Info p. 18

7.5.11 S103 HSGW IP Address p. 18

7.5.12 Void

7.5.13 Unauthenticated IMSI |R9| p. 19

7.5.14 EUTRAN Round Trip Delay |R9| p. 19

7A S121 Messages and Message Formats |R12| p. 19

7A.1 Introduction p. 19

7A.2 Path Management Messages p. 20

7A.2.1 Introduction p. 20

7A.2.2 Echo Request message p. 20

7A.2.3 Echo Response message p. 20

7A.2.4 Version Not Supported Indication message p. 20

7A.3 S121 Messages p. 21

7A.3.1 Introduction p. 21

7A.3.2 RIM Information Transfer p. 21

7A.4 Reliable Delivery of Signalling Messages p. 21

7A.5 Information Elements p. 21

7A.5.1 Information Element Assignments p. 21

7A.5.2 S121 Transparent Container p. 22

7A.5.3 RIM Routing Address p. 22

7A.5.4 Private Extension p. 23

8 Path Protocols p. 23

9 Error Handling p. 23

9.1 Protocol Errors p. 23

9.2 Path Failure p. 23

9.3 Restoration and Recovery p. 23

10 Security provided to Communication over the S101/S121 Interface p. 23

11 IP - The Networking Technology used by S101/S121 p. 23

11.1 IP Version p. 23

11.2 IP Fragmentation p. 24

12 S101 Parameters p. 24

12.1 General p. 24

12.2 Timers p. 24

12.3 Others p. 24

13 S103 Interface Specification p. 24

13.1 Introduction p. 24

13.2 S103 Interface p. 24

$ Change History p. 25