ngn interoperability
DESCRIPTION
NGN interoperability. 21st CJK UNIOT -WG 20 11 .7 .11-13 TTC Hideo HIMENO ([email protected]) Kaoru KENYOSHI ([email protected]). Outline. Introduction Discussion VoIP service testing for NGN UNI Multimedia service testing for NGN UNI - PowerPoint PPT PresentationTRANSCRIPT
NGN interoperability
21st CJK UNIOT-WG2011.7.11-13
TTCHideo HIMENO ([email protected])
Kaoru KENYOSHI ([email protected])
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Outline
Introduction
Discussion- VoIP service testing for NGN UNI
- Multimedia service testing for NGN UNI
- PSTN/ISDN simulation service protocol
Conclusion
3
Highlight of Current Activities
SG11 creates NGN Interoperability documents map to show the relationship of testing specifications.Draft Rec.Q.3948 “VoIP service testing framework for NGN UNI” was completed at last meeting.The new work programme “Multimedia service testing framework for NGN UNI” was launched.The new work programme “PSTN/ISDN simulation service protocol” was started.Emerging next issue from SG11 that M2M interoperability, Cloud Computing interoperability and new technology testing.
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NGN testing specifications document mapNGN TM local testing NUT testing
1.1 Functional testing
1.2 Load&Stress testing
1.3 Conformance testing
2.1 Functional testing
2.2 Interconnect testing
2.3 Service testing
2.4 End-to-End testing
2.5QoS testing
2.6 Mobility&Roaming testing
Specificationprocess
General Procedure
Methodology
Model network configuration & requirement
Test scenarios
Formalized results
Handbook of testing
Draft Q.3909 NGN interoperability
Q.3900
Q.3901
Q.3903
Q.3906 Draft Q.3948Service testing framework for VoIP at NGN UNI
Interoperability testing
Conformance
testing
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Introduction
Discussion- VoIP service testing at NGN UNI
- Multimedia service testing for NGN UNI
- PSTN/ISDN simulation service protocol
Conclusion
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Draft Q.3948 Service testing framework for VoIP at NGN UNI
TTC developed Technical Reports to specify the detailed protocol specifications at NGN UNI and NNI for interoperability between Japanese operators.TTC developed TTC standards JT-Q3401 and JT-Q3402 which consist of the translation part of ITU-T Recommendations and TTC original specifications as Annex and Appendix.
ITU-T Q.3402
TTC TR-9024
TTC JT-Q3402
TTC additional spec.
Down stream
Main textAnnex
Appendix
Main text
AnnexAppendix
ITU-T Q.3948 Service testing framework for VoIP at NGN UNI
Technical information
Annex
ITU-T Service
specifications for
VoIPUp stream
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VoIP testing terminal model in draft Q.3948
Draft Q.3948 defines the “VoIP test object” which is described as the block diagram of SIP multimedia communication terminal and blue coloured parts are the “VoIP test object”.The profiles on VoIP test object is described in this draft document.
Video I/O element
Audio I/O element
System controlUser Interface
Video codec(MPEG4, H.264)
Audio codec(G.711)
RTP / RTCP(RFC3550)
System control
SIP(RFC 3261)
SDP(RFC 4566)
Local Area Network Interface
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VoIP testing sequence in draft Q.3948
Draft Q.3948 defines the “Basic Call service sequence”
No. Sequence1 Terminal registration
(access-line based authentication)2 Deletion of terminal registration
(access-line based authentication)3 Call origination to disconnection
(IPv4, Use of timer and 100rel, G.711 μ-law)4 Call termination to disconnection
(IPv4, Use of timer and 100rel, G.711 μ-law)5 Call cancellationBusy on the terminating side6 Busy on the terminating side
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Call origination to disconnectionin draft Q.3948
Terminal Network
SIP domain: example1.ne.jpTEL: 03-1111-1111, 03-1111-1112IP (SIP/RTP): 192.0.1.1
IP (SIP): 192.0.1.10IP (RTP): 192.0.1.11
F1: INVITE
F2: 100 Trying (INVITE)
Figure 7 Call origination to disconnection (IPv4, Use of timer and 100rel, G.711 -law) (access-line based
authentication)
F3: 180 Ringing (INVITE)
F4: PRACK
F5: 200 OK (PRACK)
F6: 200 OK (INVITE)
F7: ACK
Communication
~~ ~~F8: UPDATE
F9: 200 OK (UPDATE)
~~ ~~F10: BYE
F11: 200 OK (BYE)
INVITE tel:0322222222;phone-context=example1.ne.jp SIP/2.0Via: SIP/2.0/UDP 192.0.1.1:5060;branch=z9hG4bK12345678-11111121Route: <sip:192.0.1.10;lr>,<sip:s-cscf.example1.ne.jp;lr>Max-Forwards: 70To: <tel:0322222222;phone-context=example1.ne.jp>From: <sip:[email protected]>;tag=1234abcd-11111121Call-ID: [email protected]: 1 INVITEContact: <sip:[email protected]>P-Preferred-Identity: <sip:[email protected]>Privacy: noneAllow: INVITE,ACK,BYE,CANCEL,PRACK,UPDATESupported: 100rel,timerSession-Expires: 300Content-Type: application/sdpContent-Length: 195
v=0o=- 82664419472 82664419472 IN IP4 192.0.1.1s=-c=IN IP4 192.0.1.1t=0 0m=audio 10000 RTP/AVP 0 96a=rtpmap:0 PCMU/8000a=rtpmap:96 telephone-event/8000a=fmtp:96 0-15a=ptime:20
F1: INVITE
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Introduction
Discussion- VoIP service testing for NGN UNI
- Multimedia service testing for NGN UNI
- PSTN/ISDN simulation service protocol
Conclusion
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Fundamental Structure of MM service testing spec. is based on Q.3948 “VoIP service testing at NGN UNI”MM service contains many sub-service
- Video Phone- Video Conference- Data Conference
2 part structures of MM service testing- MM service framework testing
Profiles Testing preparation
- Sub-service testing(ex. Video Phone service)
Test procedure Test cording
How to develop NGN Multimedia service testing specification
Q.NGN interoprability
Q.3909
VoIP service testing at NGN
UNI
MM service testing framework
PSTN/ISDN simulation service
testing
Data Conference
Q.3948
Video Conference service testing
Video Phone service testing
Annex SD(MPEG)SD(H263)HD(H264)
•Profiles•Preparation
•Procedure•Cording
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Interoperability Test for“Multimedia Service Testing”
Profile sample of MPEG-4Item Specification(for high rate) Specification(for low rate)Call controlCapability exchange
SIP (RFC3261)SDP (RFC2327)Capability exchange (RFC3264)
Same as for high rate
Media transmission RTP (RFC3550, RFC3551)RTCP (RFC3550 Option)MPEG-4 packetization (RFC3016)
Same as for high rate
Video:Video encoding methodFrame size
(RECOMMENDED)
MPEG-4 Visual (SP@L3)CIF
MPEG-4 Visual (SP@L0)QCIF
Audio:Audio encoding method(RECOMMENDED)
JT-G711μ-law Same as for high rate
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Introduction
Discussion- VoIP service testing for NGN UNI
- Multimedia service testing for NGN UNI
- PSTN/ISDN simulation service protocol
Conclusion
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Launching New Work Programme“PSTN/ISDN simulation service”
ITU-T Rec. Q.2211 defines - OIP, OIR, TIP, TIR, MCID, ACR, CDIV, HOLD, CB, CCBS,
CW, MWI, CONF, AOC, ECT, RC, UPT, CRBT, CRTProcess to develop protocol specifications
- Step 1: Define the target of PSTN/ISDN simulation services to develop service protocol specifications
- Step 2: Define the reference base specification of other SDOs (ex. TISPAN, 3GPP)
- Step 3: Modify base reference specifications and adjust them to ITU-T requirements and architectures, etc
Detailed protocol specifications of global standard are needed to achieve interoperability
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Next SG11’s meeting plan for “PSTN/ISDN simulation service”
SARVICE CANDIDACY
Step 1Target
CDIVCommunications Diversion
OIP/OIROriginating Identification Presentation / Restriction
Step 2Reference
ETSI TS 124 504(3GPP TS 24.504)
ETSI TS 124 407(3GPP TS 24.407)
Step 3Modification
TBD(ex. Based TTC TR-1015 and other documents)
TBD(ex. Based TTC JT-Q.3402
and other documents)
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Introduction
Discussion- VoIP service testing for NGN UNI
- Multimedia service testing for NGN UNI
- PSTN/ISDN simulation service protocol
Conclusion
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Conclusion and Challenge
VoIP service testing at NGN UNI - Draft Q.3948 (May 2011 resent approved)
Multimedia service testing at NGN UNI(Real-time multimedia service) - Draft Q.MultimediaTEST (new item)
Creating PSTN/ISDN simulation service protocol (TIP/TIR, OIP/OIR, HOLD etc)- Recent launched
Planning New Interoperability testing
CJK should promote the study of NGN interoperability as the leader countries of ITU-T