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ETSI Standard
Telecommunications and Internet converged Services and
Protocols for Advanced Networking (TISPAN);
Resource and Admission Control:
H.248 Profile for controlling
Border Gateway Functions (BGF) in the Resource and
Admission Control Subsystem (RACS);
Protocol specification
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2 ETSI ES 283 018 V2.7.1 (2009-09)
Reference
RES/TISPAN-03176-NGN-R2
Keywords
H.248, interface
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3 ETSI ES 283 018 V2.7.1 (2009-09)
Contents
Intellectual Property Rights . 8
Foreword . 8
1 Scope . 9
2 References . 9
2.1 Normative references . 9
2.2 Informative references . 10
3 Definitions and abbreviations . 11
3.1 Definitions . 11
3.2 Abbreviations . 13
4 Applicability . 14
4.1 Architecture . 14
4.2 Border Gateway Guidelines . 14
5 Profile description . 15
5.1 Profile identification . 15
5.2 Summary . 15
5.3 Gateway Control Protocol Version . 15
5.4 Connection model. 16
5.5 Context attributes . 16
5.6 Terminations . 16
5.6.1 Termination names . 16
5.6.1.1 IP Termination . 16
5.6.1.1.1 Overview and prose specification . 16
5.6.1.1.2 Syntactical Specification . 19
5.6.2 Multiplexed terminations . 19
5.7 Descriptors . 19
5.7.1 TerminationState descriptor . 19
5.7.2 Stream descriptor . 20
5.7.2.1 LocalControl descriptor . 20
5.7.3 Events descriptor . 20
5.7.4 EventBuffer descriptor . 21
5.7.5 Signals descriptor . 21
5.7.6 DigitMap descriptor . 22
5.7.7 Statistics descriptor . 22
5.7.8 ObservedEvents descriptor . 22
5.7.9 Topology descriptor . 22
5.7.10 Error descriptor . 23
5.8 Command API . 23
5.8.1 Add . 24
5.8.2 Modify . 24
5.8.3 Subtract . 24
5.8.4 Move . 25
5.8.5 AuditValue . 25
5.8.6 AuditCapabilities . 25
5.8.7 Notify . 25
5.8.8 ServiceChange . 25
5.8.9 Manipulating and auditing context attributes . 26
5.9 Generic command syntax and encoding . 26
5.10 Transactions . 27
5.11 Messages . 27
5.12 Transport . 27
5.13 Security . 28
5.14 Packages . 28
5.14.1 Overview . 28
ETSI
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4 ETSI ES 283 018 V2.7.1 (2009-09)
5.14.2 Package usage information . 29
5.14.2.1 Generic (g) . 29
5.14.2.2 Base root (root) . 30
5.14.2.3 Network (nt) . 31
5.14.2.4 Differentiated Services (ds) . 32
5.14.2.5 Gate Management (gm) . 33
5.14.2.6 Traffic management (tman) . 34
5.14.2.7 IP NAPT Traversal (ipnapt) . 34
5.14.2.8 MPLS (mpls) . 35
5.14.2.9 VLAN (vlan) . 35
5.14.2.10 MGC Information (mgcinfo) . 36
5.14.2.11 Inactivity (it) . 36
5.14.2.12 Segmentation (seg) . 37
5.14.2.13 RTP (rtp) . 38
5.14.2.14 Application Data Inactivity Detection (adid) . 38
5.14.2.15 IP Domain Connection (ipdc) . 39
5.14.2.16 Media Gateway Overload Control (ocp) . 39
5.14.2.17 Hanging Termination Detection (hangterm) . 40
5.14.2.18 Statistic Conditional Reporting (scr) . 40
5.15 Mandatory support of SDP and annex C information elements . 41
5.16 Optional support of SDP and annex C information elements . 42
5.17 Overview of Procedures . 43
5.17.1 Overview of Session Dependent Procedures . 43
5.17.1.1 Gate control . 44
5.17.1.2 Allocation and translation of IP addresses, ports and versions (NAPT-PT) . 46
5.17.1.3 Support of Hosted NAT Traversal . 47
5.17.1.4 QoS marking . 47
5.17.1.4.1 Copying DSCP/ToS values from the ingress to egress . 47
5.17.1.4.2 Auditing the "Per-Hop Behaviour" . 47
5.17.1.5 Bandwidth control - Reservation, Allocation and Policing . 47
5.17.1.5.1 Admission Control. 48
5.17.1.5.2 Traffic Descriptor . 48
5.17.1.5.3 Bandwidth reservation and allocation . 48
5.17.1.5.4 Bandwidth policing . 49
5.17.1.5.5 Non-specification of tman properties . 49
5.17.1.6 Usage metering and statistics reporting. 49
5.17.1.6.1 Statistics for Media/Transport-agnostic IP packets . 49
5.17.1.6.2 Traffic Volume related Statistics . 49
5.17.1.7 RTCP Handling . 50
5.17.1.7.1 RTCP Transport Address Allocation . 50
5.17.1.7.2 RTP/RTCP to-H.248 Stream Mapping . 51
5.17.1.8 RTCP Forwarding . 51
5.17.1.8.1 Conditions for RTCP packet policing . 51
5.17.1.8.2 Forwarding of regular RTCP traffic . 51
5.17.1.8.3 Handling of RTCP XR/HR traffic . 51
5.17.1.9 Media Inactivity . 51
5.17.1.10 IP Realm/Domain Indication . 52
5.17.1.10.1 Codepoint and format/encoding . 52
5.17.1.10.2 Unsuccessful indication . 52
5.17.1.10.3 Fix assignment per termination lifetime . 52
5.17.1.10.4 Number of IP Realms/Domains . 52
5.17.1.11 Two-Stage BGF Resource Reservation . 53
5.17.1.12 Hanging Termination Detection . 53
5.17.1.13 Real Time Statistics Reporting . 53
5.17.1.14 Transcoding . 54
5.17.1.14.1 Media types and formats (Codecs) . 54
5.17.1.14.2 Decision for transcoding . 54
5.17.1.15 Void. 54
5.17.1.16 VPN identification . 54
5.17.1.16.1 VLAN marking . 54
5.17.2 Overview of Session Independent Procedures . 55
5.17.2.1 Introduction - Relation to TR 183 025 [i.2] . 55
ETSI
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5 ETSI ES 283 018 V2.7.1 (2009-09)
5.17.2.2 Session-independent procedures . 55
5.17.2.3 MG Overload Control: Rate limitation of H.248 Messages from MGC-to-MG . 55
5.18 Session Dependent Procedures (Command Level Details) . 55
5.18.1 Add Termination . 56
5.18.1.1 Add Termination - Remote Addr and Port Known, Select Local Addr and Port . 57
5.18.1.1.1 Conditions for Address Policing: SAF, SPF, SAM, SPR, SPRR . 59
5.18.1.1.2 Assigning IP Domain/Realm to Termination . 60
5.18.1.1.3 Add Termination - Remote Addr and Port Known, Select Local Addr and Port - Examples. 61
5.18.1.2 Add Termination - Select Local Addr and Port. 62
5.18.1.2.1 Add Termination - Select Local Addr and Port - Examples . 65
5.18.1.3 Add Termination - Remote Addr Known, Select Local Addr . 66
5.18.1.3.1 Add Termination - Remote Addr Known, Select Local Addr - Examples . 68
5.18.1.4 Add Termination - Select Local Addr . 69
5.18.1.4.1 Add Termination - Select Local Addr - Examples . 70
5.18.1.5 Add Termination - Remote Addr Known and Port Possibly Known, no Local Addr and Port . 71
5.18.1.5.1 Add Termination - Remote Addr Known and Port Possibly Known, no Local Addr and Port -
Examples . 72
5.18.2 Session Establishment Update . 72
5.18.2.1 Session Establishment Update - Remote Addr and Port Known . 73
5.18.2.1.1 Session Establishment Update - Remote Addr and Port Known - Examples . 75
5.18.2.2 Session Establishment Update - Remote Addr Known . 78
5.18.2.2.1 Session Establishment Update - Remote Addr Known - Examples . 79
5.18.2.3 Session Establishment Update - Through Connect . 80
5.18.2.3.1 Session Establishment Update - Through Connect - Examples . 82
5.18.2.4 Session Establishment Update - Select Local Port . 83
5.18.2.4.1 Session Establishment Update - Select Local Port - Examples . 86
5.18.2.5 Session Establishment Update - Bandwidth Change . 87
5.18.2.5.1 Session Establishment Update - Bandwidth Change - Examples . 89
5.18.2.6 Session Establishment Update - Delete Stream. 89
5.18.2.6.1 Session Establishment Update - Delete Stream - Examples . 92
5.18.3 Mid-Session Update . 92
5.18.3.1 Mid-Session Update - Bandwidth Change . 92
5.18.3.1.1 Mid-Session Update - Bandwidth Change - Examples. 95
5.18.3.2 Mid-Session Update - Media Change . 96
5.18.3.2.1 Mid-Session Update - Media Change - Examples . 98
5.18.3.3 Mid-Session Update - Remote Addr/Port Change . 99
5.18.3.3.1 Mid-Session Update - Remote Addr/Port Change - Examples . 102
5.18.3.4 Mid-Session Update - Add Stream, Remote Addr and Port Known . 103
5.18.3.4.1 Mid-Session Update - Add Stream, Remote Addr and Port Known - Examples. 106
5.18.3.5 Mid-Session Update - Add Stream . 107
5.18.3.5.1 Mid-Session Update - Add Stream - Examples . 110
5.18.3.6 Mid-Session Update - Delete Stream . 111
5.18.3.6.1 Mid-Session Update - Delete Stream - Examples . 112
5.18.3.7 Mid-Session Update - Add Stream, Remote Addr Known and Port Possibly Known, no Local
Addr and Port . 115
5.18.3.7.1 Mid-Session Update - Add Add Stream, Remote Addr Known and Port Possibly Known, no
Local Addr and Port - Examples . 116
5.18.4 Auditing . 117
5.18.4.1 Mid-Session Statistics Audit . 117
5.18.4.1.1 Mid-Session Statistics Audit - Example . 118
5.18.4.2 Mid-Session MGC Info Audit . 119
5.18.4.2.1 Mid-Session MGC Info Audit - Example . 120
5.18.5 Notification of MG Events . 120
5.18.5.1 Notification of IP Media Stop . 120
5.18.5.2 Notification of Hanging Termination . 121
5.18.5.3 Notification of Statistic Conditional Reporting . 122
5.18.6 Delete Session/Termination . 123
5.18.6.1 Delete Session/Termination . 123
5.18.6.1.1 Delete Session/Termination - Examples . 124
5.18.6.2 Delete Session/Termination - Wildcarded Reply . 127
5.18.6.2.1 Delete Session - Wildcarded Reply - Examples . 127
5.19 Non-Session Related Use Cases . 127
ETSI
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6 ETSI ES 283 018 V2.7.1 (2009-09)
5.19.1 Enable MG . 128
5.19.1.1 Enable MG (at MGC). 128
5.19.1.2 Enable MG (at MG) .
...