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The GeoNet project: Combination of IPv6 & GeoNetworking · The GeoNet project: Combination of IPv6...
Transcript of The GeoNet project: Combination of IPv6 & GeoNetworking · The GeoNet project: Combination of IPv6...
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The GeoNet project: Combination of IPv6 &
GeoNetworkingGeographic addressing and routing for vehicular communications
http://www.geonet-project.eu
Dr. Thierry Ernst INRIA – Mines ParisTech (LaRA)GeoNet Technical Coordinator
The Fully Networked Car – March 3-4 2010 – Geneva
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Fac ilities
S ta tion-E xte rna lInterfaces
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S ta tion -InternalInterfaces
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IN -SAP
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Netw orking & Transport
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Why IPv6 GeoNetworking ?
V2V: GeoNetworking is the addressing & routing packet forwarding approach favored in ITS communication architectures
C2C-CC COMeSafety ETSI TC ITS ISO TC204 WG16 (CALM)
ITS Architectures must also support Internet-based communications
IPv6: Internet Protocol version 6
GeoNet: IPv6 and GeoNetworking must be combined in a common architecture
IPv6 expands the capabilities of GeoNetworking GeoNetworking expands the capabilities of IPv6
ITS Station
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Why IPv6 GeoNetworking ?
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Why IPv6 ? IPv4 does not fit to ITS requirements
232 = 4,294,967,296 addresses only IPv4 address exhausted by 2011 / 2012
IPv6: an evolution of IP
New IP header Fully specified, implemented - operational deployment started
IPv6 addressing 128 bits instead of 32 (2128 addresses instead of 232) Up to 3 911 873 538 269 506 102 addresses / m2
An address for everything on the network
IPv6 comprises new features absolutely needed for ITS Auto-configuration IP session continuity (NEMO) Multiple wireless media supported at once (McoA) Enhanced security Embedded multicast
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GeoNet: Scope
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GeoNet: Functional Modules
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GeoNet: C2CNet Layer
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GeoNet: C2CNet GeoNetworking Packet forwarding
GeoUnicast: from one node to a single node GeoAnycast: from one node to any node in area GeoBroadcast: from one node to all nodes in area TopoBroadcast: from one node to all nodes n-hop away Message buffering (with GeoNetwork triggered re-evaluation)
Location management Beaconing (periodic single-hop broadcast) Location Table Location Service (lookup of unknown destinations)
GeoBroadcast / GeoAnycast
GeoUnicast
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GeoNet: IP Layer
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IPv6 over C2CNet
IPv6 C2CNet link: viewed as virtual link with GeoNetworking capabilities
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GeoNet: Management Layer
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GeoNet: Workshop Demo
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GeoNet: Summary
IPv6 + GeoNetworking = Enabling technology for better: Road safety Traffic efficiency Value added services
Well supported at time of set-up C2C-CC, SafeSpot, Coopers, CVIS
Status 1 reference specification 2 prototype implementations (Linux 2.6 / UMIP) Experimentation on a fleet of 4 vehicles Conformance tests: TTCN-3 Emulation with NCTUns CVIS selected as the target platform
Effective dissemination in SDOs (ISO, ETSI, IETF)
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Thank you for your attention
Most deliverables are public and will be available on
http://www.geonet-project.eu
Dr. Thierry Ernst INRIA – Mines ParisTech (LaRA)GeoNet Technical Coordinator
ETSI ITS Workshop – February 2010 – Sophia-Antipolis
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GeoNet Fact Sheet Feb. 2008 – Jan. 2009 Budget: 3 M€ Funding: 1.9 M€ 7 partners
2 Research Institutes (INRIA and IMDEA) 1 SME (Broadbit) 4 industrial partners (Hitachi, NEC, Lesswire & Efkon)
Web: http://www.geonet-project.eu News, deliverables, presentations
Objective: Design the concepts linking geographic addressing and routing with IPv6 mobility mechanisms (IPv6 GeoNetworking)
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GeoNet: Scope
3 main axes:
Knowledge: elaborate a unified IPv6 GeoNetworking architecture compliant with best practices in vehicular communications;
Standards: produce a reference IPv6 GeoNetworking specification and push it to SDOs (ISO, ETSI, IETF);
Software: produce two prototype implementations and disseminate it to existing consortia (particularly SafeSpot, CVIS, COOPERS and C2C-CC).
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Why GeoNetworking ?
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Why IPv6 GeoNetworking ?
GeoNet: scenarios requiring both IPv6 and geonetworking
Scenario Type 1: sender is in the Internet Packets are transmitted in IPv6 until the RSUs serving the geographic
area where they are GeoRouted through intermediate vehicles to the final destination(s).
Scenario type 2: receiver is in the Internet Packets are GeoRouted through intermediate vehicles (using
GeoUnicast) until a RSU where they are transmitted in IPv6 to the final destination.
Scenario type 3: sender and receiver(s) are only reachable through the Internet
Combination of Scenarios Type 1 & 2 where source and destination(s) are out of multi-hop wireless range
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GeoNet: Design Goals (D1.2)
Architecture combining IPv6 and GeoNetworking
Communication modes Vehicle-based: without infrastructure (V2V) Roadside-based: with roadside infrastructure (V2I) Internet-based: with the Internet
Destination set Single destination Multiple destinations
Preserve security and location privacy
Compatibility and interoperability
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Why IPv6: address requirements Vehicles will be connected to the Internet In-vehicle IP network => Several IP addresses / vehicle Number of cars worldwide
1997: 600 millions 2030: 1200 millions (at present trend)
IPv4 does not fit to ITS requirements 232 = 4,294,967,296 addresses only IPv4 address exhausted by 2011 / 2012
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GeoNet: Documents
Most deliverables are public and will be uploaded as soon as they are completed (this month)
Check http://www.geonet-project.eu
D1.2 Final GeoNet Architecture Design http://www.geonet-project.eu/?download=GeoNet-D1.2-
architecture_design.pdf
D2.2 Final GeoNet Specification http://www.geonet-project.eu/?download=GeoNet-D2.2-
final_specification.pdf
GeoNet Final Workshop http://www.geonet-project.eu/?p=223
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GeoNet: IPv6 Layer IPv6 is not Geo-Aware
How IPv6 packets could be transmitted to a destination(s) in a specific geographic location ?
GeoNet relies on IPv6 multicast Several GeoDestination – IP Group ID encoding approaches
GeoNet hides GeoNetworking from the IP layer Enhancements required at the IP layer for location privacy
(pseudonyms) & direct V2V (MNP exchange)
GeoNet complies with ETSI and ISO architectures NEMO is used to guarantee reachability at a permanent
address and maintaining sessions The Mobile Router entity at the OBU manages the
connectivity on behalf of all the in-vehicle nodes
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GeoNet: Work Ahead
Progress work items in SDOs ETSI: GeoNetworking (TS 102-636-4-1) ETSI: IPv6 GeoNetworking (TS 102-636-6-1) ISO CALM
Validation in Field Operational Tests (FOTs) needed
Expand the architecture / specification Tighter integration of IPv6 & GeoNetworking: Position aware
IP applications / GeoDestination encoding within IPv6 multicast
IP-layer security & QoS Transport layer Congestion control
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Why IPv6 ? IPv6: Internet Protocol version 6
Designed by the IETF since 1995 as a replacement of IPv4
IPv6 is an evolution of IP New IP header Fully specified, implemented - operational deployment started
IPv6 addressing 128 bits instead of 32 (2128 addresses instead of 232) Up to 3 911 873 538 269 506 102 addresses / m2
An address for everything on the network
IPv6 comprises new features absolutely needed for ITS Auto-configuration IP session continuity (NEMO) Multiple wireless media supported at once (McoA) Enhanced security Embedded multicast