Contents

25.4263GPPRelease 17TSUTRAN Iur and Iub interface data transport & transport signalling for DCH data streams

Contents 3

Foreword 4

1 Scope 5

2 References 5

3 Definitions and abbreviations 6

3.1 Definitions 6

3.2 Abbreviations 6

4 Data Link Layer 7

4.1 ATM Transport Option 7

4.1.1 Protection Switching at ATM Layer 7

4.2 IP Transport Option 7

5 Iur and Iub Data Transport for DCH and E-DCH Data Streams 8

5.1 Introduction 8

5.2 ATM Transport Option 8

5.3 IP Transport Option 8

6 Transport Signalling Application for DCH and E-DCH Data Streams 9

6.1 Introduction 9

6.2 ALCAP in ATM Transport Option 9

6.3 ALCAP in IP Transport Option 9

7 Signalling Bearer for ALCAP on Iub Interface 9

7.1 Introduction 9

7.2 Signalling Bearer in ATM Transport Option 10

7.3 Signalling Bearer in IP Transport Option 10

8 Signalling Bearer for ALCAP on Iur Interface 10

8.1 Introduction 10

8.2 Signalling Bearer in ATM Transport Option 11

8.3 Signalling Bearer in IP Transport Option 11

9 Interworking between ATM and IP Transport Options 11

9.1 Introduction 11

9.2 Interworking Alternatives 11

Annex A (informative): Change history 13