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ssp协议 session Setup Protocol
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SSP协议Session Setup Protocol Session Setup Protocol Session Setup Protocol
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Session Setup Protocol
Version 2.3
May 19, 2003
Copyright Time Warner Cable 1999-2003, all rights reserved.
Time Warner Cable Session Setup Protocol
Revision History
Revision Date Change
1.0 June 10, 1999 Release version
2.0 October 22, 2000 Added Session Gateway, Service Gateway,
Service, and Session object definitions to the
UUData portion of the DSM-CC messages to
support Pegasus ISA compliance.
2.1 November 3, 2000 Moved ProtocolID and Version to beginning of
UUData to provide backward compatibility with
legacy implementations.
2.2 draft July 1, 2002 Define new Resource Descriptors that apply in
the cases of server Ethernet interfaces (including
Gigabit or 10 Gigabit Ethernet) on the MPEG
source or edge device, optionally with an
intervening transport network, optionally
supporting MPLS.
2.3 draft February 3, 2003 Split Server side resource section into Gigabit
and ASI and created Client side section.
Added Service Group resource descriptor.
Added extensive definition to descriptor
semantics to clear up confusion about how they
are used.
2.3 draft February 18, 2003 Added Continuous Feed Session messages and
scenarios.
2.3 draft February 24, 2003 Cleaned up formatting. Removed redundant
styles.
2.3 draft May 19, 2003 New requirement giving SRM responsibility for
destinations in GbE case
Clean up for consistency with new requirement
and clarification
Move all EthernetInterface usage info into the
section on resource descriptor use
Precisely define which EthernetInterface
parameters are optional/mandatory and when
Delete HeadendId for GbE interfaces
Delete MPLS options
Renumber ServiceGroup resource descriptor due
to MPLS deletions
Add Appendix on usage of EthernetInterface
Time Warner Cable Session Setup Protocol
TABLE OF CONTENTS
REVISION HISTORY........................................................................................I
1 SCOPE......................................................................................................... 1
1.1 Purpose................................................................................................................ 1
1.2 Application.......................................................................................................... 1
1.3 Organization........................................................................................................ 1
2 REFERENCES............................................................................................. 1
3 DEFINITIONS............................................................................................... 2
3.1 Compliance Notation.......................................................................................... 2
3.2 Definition of Terms............................................................................................. 2
3.3 Acronyms and Abbreviations.............................................................................. 3
3.4 Section and Data Structure Syntax Notation...................................................... 5
4 REQUIREMENTS........................................................................................ 5
5 TRANSPORT ............................................................................................... 5
5.1 Client to Network................................................................................................ 5
5.2 Server to Network ............................................................................................... 5
6 DATA STRUCTURE.................................................................................... 6
6.1 Extensibility........................................................................................................ 6
6.2 Reserved Fields................................................................................................... 6
7 SPECIFICATIONS....................................................................................... 6
7.1 Signaling Messages............................................................................................. 7
7.1.1 DSMCC Standard Message and Standard Fields........................................ 8
7.1.1.1 DSM-CC Message Header.......................................................................... 8
7.1.1.1.1 Message ID .......................................................................................... 8
7.1.1.1.2 Transaction ID...................................................................................... 9
7.1.1.1.3 DsmccAdaptationHeader..................................................................... 9
7.1.1.2 Standard Fields............................................................................................ 9
7.1.1.2.1 UserData............................................................................................... 9
7.1.1.2.2 Client and Server ID ............................................................................ 9
7.1.1.2.3 SessionID............................................................................................. 9
7.1.2 ClientSessionSetUpRequest...................................................................... 10
7.1.3 ServerSessionSetUpIndication.................................................................. 10
7.1.4 ServerAddResourceRequest...................................................................... 10
7.1.5 ServerAddResourceConfirm..................................................................... 10
7.1.6 ServerSessionSetupResponse ................................................................... 10
7.1.7 ClientSessionSetupConfirm...................................................................... 10
7.1.8 ClientReleaseRequest................................................................................ 10
7.1.9 ServerReleaseIndication............................................................................ 10
7.1.10 ServerReleaseResponse ............................................................................ 10
Time Warner Cable Session Setup Protocol
7.1.11 ClientReleaseConfirm............................................................................... 10
7.1.12 ServerReleaseRequest............................................................................... 10
7.1.13 ClientReleaseIndication............................................................................ 10
7.1.14 ClientReleaseResponse ............................................................................. 10
7.1.15 ServerReleaseConfirm.............................................................................. 10
7.1.16 ServerStatusRequest.................................................................................. 11
7.1.17 ServerStatusConfirm................................................................................. 11
7.1.18 ClientStatusRequest.................................................................................. 11
7.1.19 ClientStatusConfirm ................................................................................. 11
7.1.20 ServerSessionInProgressReq .................................................................... 12
7.1.21 ClientSessionInProgressReq ..................................................................... 12
7.1.22 ClientProceedingIndication....................................................................... 12
7.1.23 ServerSessionProceedingIndication.......................................................... 12
7.1.24 ServerContinuousFeedSessionRequest..................................................... 13
7.1.25 ServerContinuousFeedSessionConfirm.................................................... 13
7.2 Resource Descriptors ........................................................................................ 13
7.3 Standard Resource Descriptors ......................................................................... 15
7.3.1 TSDownStreamBandwidth Descriptor ..................................................... 16
7.3.2 MPEG PROGRAM Descriptor................................................................. 16
7.3.3 IP Descriptor............................................................................................. 17
7.3.4 Physical Channel Descriptor..................................................................... 17
7.4 User Defined Resource Descriptors.................................................................. 17
7.4.1 AtscModulationMode Resource Descriptor ............................................. 17
7.4.2 Head End Id Resource Descriptor............................................................. 19
7.4.3 Server Conditional Access Resource Descriptor ...................................... 20
7.4.4 Client Conditional Access Resource Descriptor....................................... 21
7.4.5 EthernetInterface Resource Descriptor ..................................................... 21
7.4.5.1 ServiceGroup Resource Descriptor........................................................... 22
7.5 Resource Descriptor Use................................................................................... 23
7.5.1 Server View – ASI .................................................................................... 23
7.5.2 Server View – Gigabit Ethernet................................................................ 26
7.5.3 Client View – HFC ................................................................................... 36
8 USER PRIVATE DATA.............................................................................37
8.1 Pegasus SSP Resource Descriptors................................................................... 40
8.1.1 Generic Descriptor Format........................................................................ 40
8.1.2 Asset ID Descriptor................................................................................... 41
8.1.3 NodeGroup ID Descriptor......................................................................... 41
8.1.4 IP Descriptor............................................................................................. 41
8.1.5 Stream Handle Descriptor......................................................................... 42
8.1.6 ApplicationRequestData Descriptor ......................................................... 42
8.1.7 ApplicationResponseData Descriptor....................................................... 43
9 REASON AND RESPONSE CODES.......................................................43
9.1 Reason Codes.................................................................................................... 43
9.2 Response Codes ................................................................................................ 44
Time Warner Cable Session Setup Protocol
APPENDIX A INITIAL RESTRICTIONS ...................................................45
A.1 Server View Resource Descriptors ................................................................... 45
A.2 Client View Resource Descriptors.................................................................... 45
B.1 Exclusive Session Setup ................................................................................... 46
B.1.1 MOD app client calls Play() function of VOD platform client. ............... 46
B.1.2 bVOD platform client calls ClientSessionSetUpRequest() ...................... 46
B.1.3 SRM sends Server SessionSetUpIndication() to VOD server:................. 47
B.1.4 SRM sends ClientSessionProceedingIndication() to client. ..................... 47
B.1.5 Application Server chooses Assets and VOD Server ............................... 47
B.1.6 Server sends ServerAddResourceRequest() to SRM................................ 47
B.1.7 SRM sends ServerAddResourceConfirm() to server................................ 47
B.1.8 Server sends ServerSessionSetupResponse() to SRM.............................. 48
B.1.9 SRM responds with ClientSessionSetUpConfirm().................................. 48
B.2 Session Maintenance......................................................................................... 48
B.3 Session Tear Down ........................................................................................... 48
B.3.1 Client Initiated Release ............................................................................. 48
B.3.2 Server Initiated Release ............................................................................ 48
B.4 Session Status.................................................................................................... 48
B.5 Recovery........................................................................................................... 48
B.6 Continuous Feed Session Setup ........................................................................ 49
B.6.1 bVOD platform server calls ServerContinuousFeedSessionRequest()..... 49
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