Transcript ETSI_TALK_NB_22_03_2006

Niklas Blum Fraunhofer FOKUS 2006
ICT & OSA / Parlay Workshop Campinas/Sao Paulo, Brazil, March 22nd, 2006
The Importance of OSA/Parlay in the
Service Network Evolution
Niklas Blum
TU Berlin / Fraunhofer FOKUS
[email protected]
www.fokus.fraunhofer.de/ims
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Niklas Blum Fraunhofer FOKUS 2006
Overview
• How to stimulate applications development?
• Service Delivery Platforms and Service Enabler
• IMS Application Server Options (combining SIP AS and Parlay)
• Case Study: IMS-based 3rd Party Community services
• IMS component testing and IMS service validation within the IMS
Playground @ FOKUS
• Summary
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Niklas Blum Fraunhofer FOKUS 2006
IMS as NGN SDP Motivation
• IP network connectivity is given (GPRS/UMTS, WLAN, WiMax, DSL, ...)
• Main IMS idea: Use IP network for both
– Circuit-switched-like, synchronous, QoS enabled multimedia services
– Packet data multimedia services (like in the internet)
• Standards scope: Provide a minimum set of interfaces (common
denominator) for interoperability (Plug&Play of applications)
• Reuse as much as possible standard IP protocols for session control,
management and bearer transport (SIP, AAA, RTP)
• BUT: What is the difference to the internet / VoIP?
 IMS should provide a controlled, secure internet service environment
with QoS and charging capabilities
• Take into account existing mobility infrastructure and mobile services
to provide an evolution story  Combinational services
• Today IMS is extended to cope with fixed access networks as well
 IMS as common SDP for Fixed Mobile Convergence!
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Niklas Blum Fraunhofer FOKUS 2006
The Drama of todays Service Space
• There is broad spectrum of technologies one has to understand in the
context of Fixed Mobile Convergence and Next Generation Networks
(telecoms, internet, IT)
• The converged network value chain is getting complex (network,
portal, content, etc.)
• Big players try to cover all major layers resulting in non-optimum
offers which are not appreciated
• Innovation in the telecoms field is driven by technology push
• Access to the new technologies is quite complicated for small players
and most particular for application providers
• This is too expensive and often technology is promoted to early with
raising wrong expectations resulting in frustration
• A technology pull model in which technology introduction will be
driven by concrete demand and specific applications
• This means the applications developers need early access to the
technologies  Open testbeds are needed
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Niklas Blum Fraunhofer FOKUS 2006
Network Generation Network Vision
• Mobility and QoS enabled IP core
• Simplified service provisioning independent of access
Common
Applications
and Services
UMTS
CDMA
WLAN
WiMax
POTS/
GSM
EDGE
IP – Network
mobility-enabled
ISDN
Wireline
xDSL
other
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Niklas Blum Fraunhofer FOKUS 2006
Overview
• How to stimulate applications development?
• Service Delivery Platforms and Service Enabler
• IMS Application Server Options (combining SIP AS and Parlay)
• Case Study: IMS-based 3rd Party Community services
• IMS component testing and IMS service validation within the IMS
Playground @ FOKUS
• Summary
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Niklas Blum Fraunhofer FOKUS 2006
IMS as NGN SDP Motivation
• IP network connectivity is given (GPRS, UMTS, WLAN, DSL, etc.)
• Use IP network for CS-like, synchronous, QoS enabled MM services
• Enable an open set of innovative services (like in the internet)
• Provide a controlled, secure service environment with QoS and
charging capabilities
• Provide a minimum set of interfaces (common denominator) for
interoperability
• Reuse as much as possible standard IP protocols for session control,
management and bearer transport (SIP, AAA, RTP)
• Extend these protocols to achieve security and managebility
• Take into account existing mobility services and infrastructure
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Niklas Blum Fraunhofer FOKUS 2006
Communications Landscape Is Changing
The IT Community
Rich in Applications
and Creativity
Technical
Convergence
The Telecom Community
Rich in Networks
and Connectivity
OSA, Parlay and JAIN are examples of emerging Technology
Standards that facilitate the convergence
of the IT and Telecom communities
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Niklas Blum Fraunhofer FOKUS 2006
3GPP IP Multimedia Subsystem (IMS)
• The IMS has been originally defined by the 3rd Generation Partnership Project
(3GPP) as part of UMTS Release 5 / IMT2000
–
Extensions have been made in release 6 to adapt to real world (e.g. IPv4)
• 3GPP2 has adopted the IMS architecture on top of Multimedia Domain (MMD)
• ETSI TISPAN is defining Next Generation Network SDP for all IP Networks
based on IMS
• Open Mobile Alliance (OMA) defines IMS Enablers & Services
• The IMS represents an overlay network on top of GPRS networks and provides
an all IP service delivery environment for mobile multmedia service provision
(VoIP, Videotelephony, MM Conferencing, Mobile Content, etc.)
• The IMS is based on the IP world protocols, namely
–
SIP (Session Initiation Protocol) for Session Control, and
–
Diameter for AAA (Authentication, Authorisation & Accounting)
–
plus many others, i.e. SDP, RTP, RTCP, MGCP, etc.
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Niklas Blum Fraunhofer FOKUS 2006
IMS Layers: Transport, Session Control, Apps
Application Plane
SIP AS
Control Plane
SIP AS
HSS
P-CSCF
I-CSCF
SIP
RTP
Diameter
MEGACO
S-CSCF
MRFC
User Plane
MRFP
B-GW
PSTN
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Niklas Blum Fraunhofer FOKUS 2006
Overview
• How to stimulate applications development?
• Service Delivery Platforms and Service Enabler
• IMS Application Server Options (combining SIP AS and Parlay)
• Case Study: IMS-based 3rd Party Community services
• IMS component testing and IMS service validation within the IMS
Playground @ FOKUS
• Summary
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Niklas Blum Fraunhofer FOKUS 2006
IMS Application Server Options
Application Plane
OSA/Parlay
AS
CAMEL
API
CAP
Parlay API
SIP AS
Control Plane
P-CSCF
OSA GW
IM-SSF
HSS
I-CSCF
SIP
RTP
Diameter
Local
AS
S-CSCF
User Plane
MRF
B-GW
PSTN
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Niklas Blum Fraunhofer FOKUS 2006
OSA / Parlay AS (3rd Parties)
Service Delivery Platform
(Application Server)
Parlay X App 1
Parlay X App 2
Parlay App 1
Parlay App 2
Parlay App 3
HSS
Parlay X GW
Platform
Trigger
Points
ParlayService
API (MPCC,
MMM,
Pres,
Charg, ...
Sh =
Diameter
SIP Interface
Cx =
Diameter
ISC
S-CSCF
SIP-Server
SIP
S
P
T
Diameter
Other access
networks
Ro + Rf =
Diameter
Online &Offline
Charging (ECF, CCF)
Filter criteria
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Niklas Blum Fraunhofer FOKUS 2006
NGN/IMS Applications
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Niklas Blum Fraunhofer FOKUS 2006
Overview
• How to stimulate applications development?
• Service Delivery Platforms and Service Enabler
• IMS Application Server Options (combining SIP AS and Parlay)
• Case Study: IMS-based 3rd Party Community services
• IMS component testing and IMS service validation within the IMS
Playground @ FOKUS
• Summary
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Niklas Blum Fraunhofer FOKUS 2006
Push to Talk over Cellular (PoC)
• PoC is standardised in the Open Mobile Alliance (OMA), Rel. 1 in 2005
• First specification process was initiated by the MENSA (Motorola, Ericsson,
Nokia, Siemens, AT&T Wireless) consortium in 2002, 2003
• PoC is a way of communication that uses half-duplex connections
–
–
similar to walkie-talkie functionality
allows to deliver a talk burst to a collection of users
• PoC client is (usually) in the handset as a soft client
• PoC server has ambiguous functionality: It manages both the signalling and
also the media
–
By definition the PoC server is acting as a SIP AS, connecting to IMS CN through
the ISC interface
• OMA PoC does not consider access network issues (any access network can
be used)
• OMA PoC requires the XML Document Management (XDM) enabler for group
session configuration
• OMA PoC may use OMA XDMS architecture for presence as a presence
enabler
• Dedicated floor control messages are used to grant access to the floor to
ensure semi-duplex paradigm
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Niklas Blum Fraunhofer FOKUS 2006
The full OMA Picture
• Introduction of
OMA Enabler
architecture for
PoC
• XML Dokument
Management
Enabler
• Alignment of PoC
Architecture to
OMA enabler
concept
• Presence Enabler
• Device
Management
Enabler
• NNI
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Niklas Blum Fraunhofer FOKUS 2006
From PTT to Community-Support
• PoC/PTT basically defines a specific service based on generic
enablers (Presence, GLMS/XDMS, FOTA)
• Infact PoC/PTT could be regarded as a specific instantiation of a group
communication framework
• Making money with PoC/PTT is unclear
• Making money with SMS and voice calls is clear
• Idea:
• Reuse PoC/PTT enablers for other communication services as well
 Integrated Presence driven IM, email, SMS, MMS, VoIP, CS-Calls, Video
calls, etc.
• Provide group communication to those who really need it
 well established Communities (Sports, Work, health, fun) will appreciate
this!
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Niklas Blum Fraunhofer FOKUS 2006
From PTT to Community-Support
• But how to link these enablers with the legacy services
– IMS is defined for all-IP!
• Solution 1: implement PTT on top of OSA/Parlay APIs
– Provides reuse of enablers for different network services
• Solution 2: Provide third party interfaces with OSA/Parlay APIs (i.e.
Parlay X) to the existing communities
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Niklas Blum Fraunhofer FOKUS 2006
Community Services across different Networks
Community Client
Community Service Providers
SIP AS
OSA AS
WS Clients
Community
Feature
ISC
Community
Feature
OSA/Parlay
Community
Feature
Parlay X
JAIN SLEE
RA
Community Framework
GUI
HTTP
Policy Enforcement (OMA OSE)
XCAP
Service Enabler
Framework
UDDI
SIP
Identity
Management
Presence
GLMS
Media
Server
…
Messaging
RTP
HSS
IMS Core
P/I/S-CSCF,MS,MG
IN Platforms
WLAN
DSL
UMTS
GSM
ISDN
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Niklas Blum Fraunhofer FOKUS 2006
Community Example: Push-to-Share
ParlayX Interfaces
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Niklas Blum Fraunhofer FOKUS 2006
Overview
• How to stimulate IMS applications development?
• IMS as SDP and Service Enabler
• IMS Application Server Options (combining SIP AS and Parlay)
• Case Study: IMS-based 3rd Party Community services
• IMS component testing and IMS service validation within the IMS
Playground @ FOKUS
• Summary
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Niklas Blum Fraunhofer FOKUS 2006
Fraunhofer FOKUS Facts
–
FOKUS has been founded 1988 in Berlin, Germany
–
220 employees: scientists, students, technicians
originating from 30 nations
–
FOKUS is THE Telecoms R&D institute within the
Fraunhofer Society
• Fraunhofer Society is the biggest German R&D
organisation, total # of 12.000 employees)
• 60 institutes in total, 15 institutes in ICT
–
FOKUS works since 17 years on convergence of IT, telecoms, internet and home
entertainment and performs applied research and development projects
• Performs strategic studies, solution concepts, system integration and prototyp
developments
• Strong cooperation with universities & Establishment of spin offs (e.g. iptelorg.com)
–
FOKUS fundung: 20% state, 80% industry R&D projects
• Key to success: Strategic Partnerships with big players (DTAG, NTT, etc)
–
Main R&D Vision: „I-centric communications“ and „autonomic communications“
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Niklas Blum Fraunhofer FOKUS 2006
3G beyond Testbed @ Fraunhofer FOKUS
National 3Gb R&D Projects
European 3Gb R&D Projects
mGov
mXXX.
weitere
Other
weitere
Apps
Applications
Parlay Playground
Web
services
3Gb
Roaming
UMTS
FDD/
TDD
Parlay
IMS
AAA
SIP
IMS Playground
Service Platforms
& Middleware
GSM /
GPRS
WLAN
a/b/x
Other
weitere
platforms
DVBS/T
Other
weitere
Netws
Engineering Tools,Conformance Testing,
Measurments, and Management
mHealth
Nat. Open 3Gb Test & Development Center
–
Provision of a unique 3Gb Testbed covering all
three 3G beyond layers
–
Foundation for industrial and academic projects
• Applications development support
• Applications validation
• Service Platform prototyping
• Infrastructure component testing
• Network Technologies integration
• ....
–
Officially supported by
3Gb Network Technologies
www.fokus.fraunhofer.de/national_host
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Niklas Blum Fraunhofer FOKUS 2006
IMS Playground @ FOKUS
• forms a globally unique state of the art IMS infrastructure featuring all major
IMS componentsand interfaces
• is a key infrastructure of the FOKUS NGN Service Delivery Platform test and
development center
• comprises
– a full IMS based on own developments
– additional best of bread carrier grade components from partners
• Goals:
– Provision of an open IMS platform and planned interconnection to
Operator IMS test beds
– Interoperability test of IMS components (S-CSCFs, Media Gateways, SIP
AS, etc.)
– Environment for development of new MM applications, application
platform extensions and IMS mobility, QoS and security reasearch
• Contact: www.fokus.fraunhofer.de/ims
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Niklas Blum Fraunhofer FOKUS 2006
FOKUS – Components in the IMS Playground
FHoSS
SIPSEE
OCS /
OCS X
Sh
HSS
Cx
C
AS
XDMS
C
IS
x
Presence
SER
Mw
Mw
r
M
SIG N
A
TR
g
S-CSCF
M
I-CSCF
P-CSCF
G-F
Gm
Legacy
Networks
(GSM, PSTN)
MGCP
OSC
SEMS
MGCF
MGCP
MRFC
Mobile Phone
RTP
RTP
IMS Client
Media Server
Media Gateway
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Niklas Blum Fraunhofer FOKUS 2006
Integration of Partner Components @ FOKUS IMS PG
Sh
HSS
Cx
C
AS
C
IS
x
XDMS
Mw
Mw
r
M
SIG N
A
TR
g
S-CSCF
M
I-CSCF
P-CSCF
G-F
MRFC
MGCF
MGCP
MGCP
Gm
Legacy
Networks
(GSM, PSTN)
Mobile Phone
RTP
RTP
Note: This is not a complete Partner List!
IMS Client
Media Server
Media Gateway
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Niklas Blum Fraunhofer FOKUS 2006
IMS Playground - Use Cases
– Consulting on IMS development strategies for major vendors
– Consulting on bids and gap analysis of commercial products for key
global integrator
– Extensions (Interfaces/Reference Points) of commercial solutions of
various vendors
– Implementation of prototypes for vendors and operators
– Integration and Compliancy testing of commercial solutions
– Consulting on IMS integration strategies for major German Operator
– Interoperability testing for major European vendors
– IMS Load- /Perfomance testing for key global hardware vendor
– Application Service development for major German operator
– Consulting for establishing IMS Testbeds at remote sites
– Plus German and European R&D projects on Feature Interaction and
Service composition
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Niklas Blum Fraunhofer FOKUS 2006
Summary
• Telecommunications is at crossroads
• The internet and related IP-based technologies will change
dramatically the service world
• IMS is in the center of converging networks
• IMS is a service platform framework harmonising the architectural
thinking of different actors and forms the basis for NGN realisation
• IMS as platform is not defining services (OMA does it partially by
defining service enablers)
– IMS killer applications remain unclear
– but without IMS classic fixed and mobile operators will have a hard time
competing against internet services and emerging VNOs
• OSA/Parlay and ParlayX can act as the bridge towards the internet
developer community and 3rd party service providers
•  More information at www.fokus.fraunhofer.de/ims
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Niklas Blum Fraunhofer FOKUS 2006
Any Questions?
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