- NEW NGN Initiatives -
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- NEW NGN Initiatives -
MSF – ‘We make NGNs work’
Roger Ward – MSF President (BT)Bob Mandeville – MSF NGN Certification Lab (Iometrix)
Chris Gallon – MSF Board Member (Fujitsu)
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Copyright 2006: MultiService Forum 2
MSF Initiatives
• MSF update and focus on NGNs• NGN Implementation Guidelines• Launch of NGN Certification Program• NGN Test Bed• GMI 2008
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Copyright 2006: MultiService Forum 3
How the MSF Works SDO community
Standards
Carriers
Vendors
Feedback
Implementations
Validated, commercially viable Implementation Agreements (IAs)
NGN Architectural
Framework
Physical Scenarios
Protocol Selection
MSF IA’s
Test Plans
Testing & Interoperability Programmes
MSF
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Copyright 2006: MultiService Forum 4
MSF Principal Members - 2008
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Copyright 2006: MultiService Forum 5
MSF Key Benefits
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Copyright 2006: MultiService Forum 6
MSF in the NGN Value Chain
NGN Technology Standards
MSF NGN Architectural Framework
• Protocol Selection / Profiling
• Proof of Concept / Feasibility Testing
• Interoperability Testing• Certification Testing• Validated Implementation
Agreements• NGN implementation
Guidelines
Multi-Vendor NGN Network Deployment
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Copyright 2006: MultiService Forum 7
MSF 2007 - “We make NGN’s work”
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Copyright 2006: MultiService Forum 8
MSF Key NGN Deliverables
NGN Architectural
Framework
Physical Scenarios
Protocol Selection
MSF IA’s
Test Plans
Certification & Interoperability
Programmes
MSF NGN Certification Programme
MSF NGN Test Bed
GMI2008
• Coherent Big Picture• Closing options• Filling gaps
Validated, commercially viable Implementation Agreements (IAs)
MSF NGN Implementation
Guidelines
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Copyright 2006: MultiService Forum 9
MSF 2007/8 Testing Programmes
Breadth
UNI NNINGN Network Elements
Dep
th
Certification Pilot (RTCP)
GMI 2002, 2004, 2006, 2008
MSF NGN Test Bed
Certification Topic 2
Certification Topic 3
Applications
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Copyright 2006: MultiService Forum 10
TODAY’S NEWS ANNOUNCEMENT
Iometrix appointed as the MSF’s
NGN Certification Lab
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Copyright 2006: MultiService Forum 11
NGN Certification Programme
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Copyright 2006: MultiService Forum 12
MSF’s NGN Test Lab: Iometrix
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Copyright 2006: MultiService Forum 13
MSF’s Pilot NGN Certification ProgrammeTechnical Scope
Initial focus verifies technical components of RTCP implementations and the accuracy of reported network statisticsInitial focus verifies technical components of RTCP implementations and the accuracy of reported network statistics
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Copyright 2006: MultiService Forum 14
MSF NGN Certification Process and Timeline
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Copyright 2006: MultiService Forum 15
• Focused approach will deal with key areas of NGN functionality
Accelerate industry implementations of NGN’s around the globe
• Enable more efficient, cost effective integration of NGN’s
• Assist in the delivery of more stable, robust, standards-based NGN’s
• Prove conformance to MSF NGN IA’s and specifications
• Aid Service Providers in the selection of multi-vendor NGN solutions
MSF NGN Certification Programme
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Copyright 2006: MultiService Forum 16
RTCP Certification
• RTP Control Protocol
• Used to allow end to end measurement of the delay, jitter
and packet loss experienced by a given media stream.
• Many other measurements are also supported in RTCP XR
(Extended reports) and the emerging RTCP HR standard.
• The MSF is certifying the operation of the protocol AND
critically the accuracy of the results reported by the
systems using the protocol.
• For example if a network has a known 5% packet loss the
system must report 5% packet loss to pass.
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Copyright 2006: MultiService Forum 17
What is RTCP used for in an NGN?
• Gateways and end systems record call statistics
– Passing them up to a call agent or other control plane entity.
• Two major uses for RTCP statistics
– Placement of raw statistics into call billing records to aid
dealing with customer complaint or an inter-operator dispute
– Real time analysis to identify faults in the network that are
otherwise masked.
• Problems that RTCP might help identify
– Occasional delay and jitter caused by short duration peaks in
high priority traffic
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Copyright 2006: MultiService Forum 18
Why Certify?
• RTCP operates between end systems. Many many RTP end points exist from many vendors, e.g. media gateways, IP phones.
• Because systems may be on the other side of the world and in different networks a gateway or IP phone may have to interwork with lots of other systems. It isn’t possible to predict which systems in advance of a call setup.
• In chasing down network problems operators must be able to trust each others statistics as expensive investigations may be launched based on these statistics. Customers and operators may be compensated for failures.
• Certification is the only way that this can be achieved without continual expensive testing. The large number of systems involved and the lack of control as to which systems will be connected means interoperability doesn’t scale well in this case.
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Copyright 2006: MultiService Forum 19
The MSF value add
• The MSF is a trusted third party that is providing rigorous certification of RTCP protocol and statistics accuracy.
• If a network element has its RTCP implementation certified by the MSF all parties (operators and vendors) know that the results can be trusted.
• The MSF certification programme is provided by a neutral lab.
• The MSF is providing the governance necessary to support the certification program through its certification committee.
• With this certification program the MSF is providing operators with the guarantees of accurate performance measurement that they need to underpin their network operation.
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Copyright 2006: MultiService Forum 20
Conformance Test Objectives
• RTCP Conformance Test Objectives• Confirm that RTCP counts are sent and received correctly and the
information recorded by the gateway is correct. • Confirm that statistics can be reset correctly for complex call scenarios.
• Call Scenarios• Point to point call scenarios: • Initiate a call between the SUT and the emulated endpoint and verify that
basic RTCP jitter, delay, packet loss, packet duplication and short calls are reported correctly by the end systems.
• Complex call scenarios:• Verify that a mixer maintains the correct RTCP statistics for each RTP
sessions it supports.• When a destination endpoint is changed, verify that the end-point clears
the statistics for the old media path and reports the statistics accurately for the new media path.
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“We Make NGN’s Work”
Thank You !