ETSI TS 183 018 V3.5.1 (2009-07)

Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); Resource and Admission Control: H.248 Profile Version 3 for controlling Border Gateway Functions (BGF) in the Resource and Admission Control Subsystem (RACS); Protocol specification

RTS/TISPAN-03145-NGN-R3

General Information

• Status: Published
• Publication Date: 21-Jul-2009
• Technical Committee: TISPAN 3 - TISPAN Protocols
• Current Stage: 12 - Completion
• Due Date: 17-Jul-2009
• Completion Date: 22-Jul-2009

Standards Content (Sample)

ETSI TS 183 018 V3.5.1 (2009-07)
Technical Specification

Telecommunications and Internet converged Services and
Protocols for Advanced Networking (TISPAN);
Resource and Admission Control:
H.248 Profile Version 3 for controlling
Border Gateway Functions (BGF) in the Resource and
Admission Control Subsystem (RACS);
Protocol specification

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2 ETSI TS 183 018 V3.5.1 (2009-07)



Reference
RTS/TISPAN-03145-NGN-R3
Keywords
H.248, interface
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3 ETSI TS 183 018 V3.5.1 (2009-07)
Contents
Intellectual Property Rights . 8
Foreword . 8
1 Scope . 9
2 References . 9
2.1 Normative references . 9
2.2 Informative references . 11
3 Definitions and abbreviations . 12
3.1 Definitions . 12
3.2 Abbreviations . 14
4 Applicability . 15
4.1 Architecture . 15
4.2 Border Gateway Guidelines . 15
5 Profile description . 15
5.1 Profile identification . 15
5.2 Summary . 16
5.3 Gateway Control Protocol Version . 16
5.4 Connection model. 16
5.5 Context attributes . 17
5.6 Terminations . 17
5.6.1 Termination names . 17
5.6.1.1 IP Termination . 17
5.6.1.1.1 Overview and prose specification . 17
5.6.1.1.2 Syntactical Specification . 20
5.6.2 Multiplexed terminations . 20
5.7 Descriptors . 20
5.7.1 TerminationState descriptor . 20
5.7.2 Stream descriptor . 21
5.7.2.1 LocalControl descriptor . 21
5.7.3 Events descriptor . 21
5.7.4 EventBuffer descriptor . 22
5.7.5 Signals descriptor . 22
5.7.6 DigitMap descriptor . 23
5.7.7 Statistics descriptor . 23
5.7.8 ObservedEvents descriptor . 23
5.7.9 Topology descriptor . 23
5.7.10 Error descriptor . 24
5.8 Command API . 24
5.8.1 Add . 25
5.8.2 Modify . 25
5.8.3 Subtract . 26
5.8.4 Move . 26
5.8.5 AuditValue . 26
5.8.6 AuditCapabilities . 26
5.8.7 Notify . 26
5.8.8 ServiceChange . 27
5.8.9 Manipulating and auditing context attributes . 27
5.9 Generic command syntax and encoding . 28
5.10 Transactions . 28
5.11 Messages . 29
5.12 Transport . 29
5.13 Security . 29
5.14 Packages . 29
5.14.1 Overview . 30
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4 ETSI TS 183 018 V3.5.1 (2009-07)
5.14.2 Package usage information . 31
5.14.2.1 Generic (g) . 31
5.14.2.2 Base root (root) . 32
5.14.2.3 Network (nt) . 33
5.14.2.4 Differentiated Services (ds) . 34
5.14.2.5 Gate Management (gm) . 35
5.14.2.6 Traffic management (tman) . 36
5.14.2.7 IP NAPT Traversal (ipnapt) . 36
5.14.2.8 MPLS (mpls) . 37
5.14.2.9 VLAN (vlan) . 37
5.14.2.10 MGC Information (mgcinfo) . 38
5.14.2.11 Inactivity Timer (it) . 38
5.14.2.12 Segmentation (seg) . 39
5.14.2.13 RTP (rtp) . 40
5.14.2.14 Application Data Inactivity Detection (adid) . 40
5.14.2.15 IP Domain Connection (ipdc) . 41
5.14.2.16 Media Gateway Overload Control (ocp) . 41
5.14.2.17 Hanging Termination Detection (hangterm) . 42
5.14.2.18 Statistic Conditional Reporting (scr) . 42
5.14.2.19 IP Realm Availability (ipra) . 43
5.14.2.20 RTP Application Data (rtpad) . 43
5.14.2.21 Latch Statistics (lstat) . 44
5.14.2.22 Void. 44
5.14.2.23 Traffic Policing Statistics (tmanr) . 44
5.15 Mandatory support of SDP and Annex C information elements . 45
5.16 Optional support of SDP and Annex C information elements . 47
5.17 Overview of Procedures . 48
5.17.1 Overview of Session Dependent Procedures . 48
5.17.1.1 Gate control . 49
5.17.1.1.1 Streams, Terminations and Gates . 49
5.17.1.1.2 Assignment of L3 address and L4 port values . 49
5.17.1.1.3 Opening and closing of gates . 51
5.17.1.1.4 Filtering due to conditions on L3 address and/or L4 port values . 51
5.17.1.2 Allocation and translation of IP addresses, ports and versions (NAPT-PT) . 52
5.17.1.2.1 Allocation methods . 52
5.17.1.2.2 "Double" NA(P)T . 52
5.17.1.2.3 "Single" NA(P)T . 53
5.17.1.2.4 NA(P)T-less case . 54
5.17.1.2.5 NA(P)T and explicit Local Source Transport Address settings . 54
5.17.1.2.6 Protocol Translation (V4 to V6) . 54
5.17.1.3 Support of Hosted NAT Traversal . 55
5.17.1.4 QoS marking . 55
5.17.1.4.1 Copying DSCP/ToS values from the ingress to egress . 55
5.17.1.4.2 Auditing the "Per-Hop Behaviour" . 55
5.17.1.5 Bandwidth control - Reservation, Allocation and Policing . 55
5.17.1.5.1 Admission Control. 55
5.17.1.5.2 Traffic Descriptor . 56
5.17.1.5.3 Bandwidth reservation and allocation . 56
5.17.1.5.4 Bandwidth policing . 57
5.17.1.5.5 Non-specification of tman properties . 57
5.17.1.6 Usage metering and statistics reporting. 58
5.17.1.6.1 Statistics for Media/Transport-agnostic IP packets . 58
5.17.1.6.2 Traffic Volume related Statistics . 58
5.17.1.6.3 Statistics for packet filtering . 60
5.17.1.7 RTCP Handling . 60
5.17.1.7.1 RTCP Transport Address Allocation . 60
5.17.1.7.2 RTP/RTCP to-H.248 Stream Mapping . 61
5.17.1.8 RTCP Forwarding . 61
5.17.1.8.1 Conditions for RTCP packet policing . 61
5.17.1.8.2 Forwarding of regular RTCP traffic . 61
5.17.1.8.3 Handling of RTCP XR/HR traffic . 61
5.17.1.9 Media Inactivity . 62
ETSI

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5 ETSI TS 183 018 V3.5.1 (2009-07)
5.17.1.10 IP Realm/Domain Indication . 62
5.17.1.10.1 Codepoint and format/encoding . 62
5.17.1.10.2 Unsuccessful indication . 62
5.17.1.10.3 Fix assignment per termination lifetime . 62
5.17.1.10.4 Number of IP Realms/Domains . 63
5.17.1.11 One-Stage and Two-Stage BGF Resource Reservation . 63
5.17.1.12 Hanging Termination Detection . 64
5.17.1.13 Real Time Statistics Reporting . 64
5.17.1.13.1 Overview of conditional reporting. 64
5.17.1.13.2 Basic conditional reporting . 64
5.17.1.13.3 Extended conditional reporting . 64
5.17.1.14 Transcoding . 64
5.17.1.14.1 Media types and formats (Codecs) . 64
5.17.1.14.2 Decision for transcoding . 64
5.17.1.15 Void. 65
5.17.1.16 VPN identification . 65
5.17.1.16.1 VLAN marking . 65
5.17.1.17 Topology Hiding Function . 65
5.17.1.17.1 THF for the IP signalling path . 65
5.17.1.17.2 THF for the IP media /bearer path . 66
5.17.2 Overview of Session Independent Procedures . 67
5.17.2.1 Introduction - Relation to TS 183 025. 67
5.17.2.2 Session-independent procedures . 67
5.17.2.3 MG Overload Control: Rate limitation of H.248 Messages from MGC-to-MG . 67
5.18 Session Dependent Procedures (Command Level Details) . 67
5.18.1 Add Termination . 68
5.18.1.1 Add Termination - Remote Addr and Port Known, Select Local Addr and Port . 68
5.18.1.1.1 Conditions for Address Policing: SAF, SPF, SAM, SPR, SPRR . 71
5.18.1.1.2 Assigning IP Domain/Realm to Termination . 72
5.18.1.1.3 Add Termination - Remote Addr and Port Known, Select Local Addr and Port - Examples. 73
5.18.1.2 Add Termination - Remote Addr and Port Unknown, Select Local Addr and Port . 74
5.18.1.2.1 Add Termination - Remote Addr and Port Unknown, Select Local Addr and Port - Examples . 77
5.18.1.3 Add Termination - Remote Addr Known, Select Local Addr . 78
5.18.1.3.1 Add Termination - Remote Addr Known, Select Local Addr - Examples . 80
5.18.1.4 Add Termination - Remote Addr Unknown, Select Local Addr . 80
5.18.1.4.1 Add Termination - Remote Addr Uknown, Select Local Addr - Examples . 82
5.18.1.5 Add Termination - Remote Addr Known and Port Possibly Known, no Local Addr and Port . 82
5.18.1.5.1 Add Termination - Remote Addr Known and Port Possibly Known, Selectno Local Addr and
Port - Examples . 84
5.18.2 Session Establishment Update . 84
5.18.2.1 Session Establishment Update - Remote Addr and Port Known . 84
5.18.2.1.1 Session Establishment Update - Remote Addr and Port Known - Examples . 87
5.18.2.2 Session Establishment Update - Remote Addr Known . 90
5.18.2.2.1 Session Establishment Update - Remote Addr Known - Examples . 91
5.18.2.3 Session Establishment Update - Through Connect . 91
5.18.2.3.1 Session Establishment Update - Through Connect - Examples . 94
5.18.2.4 Session Establishment Update - Remote Port Unknown, Select Local Port . 95
5.18.2.4.1 Session Establishment Update - Remote Port Unknown, Select Local Port - Examples . 98
5.18.2.5 Session Establishment Update - Bandwidth Change . 99
5.18.2.5.1 Session Establishment Update - Bandwidth Change - Examples . 101
5.18.2.6 Session Establishment Update - Delete Stream. 101
5.18.2.6.1 Session Establishment Update - Delete Stream - Examples . 104
5.18.3 Mid-Session Update . 104
5.18.3.1 Mid-Session Update - Bandwidth Change . 104
5.18.3.1.1 Mid-Session Update - Bandwidth Change - Examples. 107
5.18.3.2 Mid-Session Update - Media Change . 107
5.18.3.2.1 Mid-Session Update - Media Change - Examples . 110
5.18.3.3 Mid-Session Update - Remote Addr/Port Change . 111
5.18.3.3.1 Mid-Session Update - Remote Addr/Port Change - Examples . 114
5.18.3.4 Mid-Session Update - Add Stream, Remote Addr and Port Known, Select Local Addr and Port . 115
5.18.3.4.1 Mid-Session Update - Add Stream, Remote Addr and Port Known, Select Local Addr and
Port - Examples . 118
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6 ETSI TS 183 018 V3.5.1 (2009-07)
5.18.3.5 Mid-Session Update - Add Stream, Remote Addr and Port Unknown, Select Local Addr and Port . 119
5.18.3.5.1 Mid-Session Update - Add Stream - Examples . 122
5.18.3.6 Mid-Session Update - Delete Stream . 123
5.18.3.6.1 Mid-Session Update
...